Yet another class action lawsuit has been filed against General Motors over alleged oil consumption issues with the Generation IV 5.3L Vortec V8 engine. a little oil. I have a 09 5.3 and it. According to the complaint, GM must have known about oil consumption problems in the 5.3L engines because on September 28, 2010, the automaker issued technical service bulletin (TSB) 10-06-01-008A addressing engine oil consumption in its 2007-2008 models Ive been looking at a new 2011 Silverado 5.3L W/AFM 6-speed and am still concerned that long term the 5.3L is still consuming oil like I have read about on this forum and others. Did GM ever fix this issue? if not, Ill settle for a little Colorado. ha If you have an older GMC Sierra or other GM truck with a 5.3-liter engine, know that you are not alone. While having performance affecting flaws in your vehicle can be frustrating, know that there are solutions for the 5.3 GM engine burning oil that can keep your pickup running smooth (and don't require you to start shopping for that brand. General Motors 5.3L V8 Oil Consumption Lawsuit Dismissed ask for an oil consumption test, and have GM fix the issue under warranty. I had a 2007 Sub LTZ with the 5.3. It burned so much oil.
GM Service bulletin #10-06-01-008M fix for excessive oil consumption GM has issued a service bulletin ##10-06-01-008M to address excessive oil consumption on the vehicles listed below. The engines have aluminum or cast iron blocks and are equipped with active fuel management systems (AFM) Replace the engine oil. 8. Re-evaluate the oil consumption. Document on the repair order. If the oil consumption is still greater than 0.946L (1qt) in 3,200km (2000mi), replacement of the pistons and rings will be required. Important: Some minor scratches may be noticed on the cylinder walls during piston and ring replacement. I According to Oards Automotive Hub, excessive oil consumption can be caused by a number of different issues. However, in the case of the GM 5.3 engine, this flaw is caused by faulty piston rings, according to the suits. According to the 2020 suit, these piston rings do not maintain high enough tension levels to keep the oil in the crankcase
Start an oil consumption test by changing the oil and filter, fill the engine oil with the recommended amount of oil per SI. Start the engine, run it and check oil level, mark the dipstick at the level it shows. Recommend the customer use top tier fuel (see the latest version of05-06-04-022) while doing the oil consumption test GM Oil Consumption Fix. Apr 07 2013, 7:37pm. I know there are numerous threads on this subject and I've read through most. I've a 09 Silverado that developed this problem around 25,000 and now at 43,500 I've just had the baffle and new driver side valve cover installed. The tech at the dealership told me I would be getting new pistons and rings. A lawsuit has been filed on behalf of certain 2010-2013 GM owners with 5.3L V8 Vortec 5300 engines. According to the plaintiffs, changes to the engine design allow oil to enter the combustion chamber, leading to excessive oil consumption and premature engine failure.. The lawsuit says GM 5.3L oil consumption problems are caused by defective piston rings, PVC systems and active fuel management. the 5.3 is one of the better later engines,I have seen many go three hundred thousand miles and hardly use a drop between changes,but the ones with AFM are trouble prone with oil consumption issues. the 4.8 and the 5.3 have bullet proof bottom ends,many guys around here are turbo and twin turbo charging them and boosting them to over six. 5.3 Engine Excessive Oil Consumption Generation 4 Chevy 5.3 L engines, the ones that were made from 2010 through 2014 had some notable issues with excessive oil consumption . These were definitely more than what you would expect to be using up in a normal engine, which does make it a stand out problem and one you should be aware of if you're.
As a result, varying rates of oil consumption are accepted as normal in all engines. Oil Consumption: The accepted rate of oil consumption for engines used in the vehicles referenced is 0.946 liter (1 qt) in 3200 km (2000 mi). Important: Certain models have a new GM Extended Warranty VIEW PART 2 VIDEO FOR VIDEO OF VALVE COVER:https://www.youtube.com/watch?v=hc71vU4Ps-EVIEW PART 3 for AFM VALVE DEFLECTOR INSTALL TO FINISH OIL CONSUMPTION F.. I graded to 3 star as i was still consuming oil. Did not fix my oil consumption. Will do and install GM oil deflector and see if it works. I will give again an update. I just installed this today (Nov 18, 2018) will give an update with regards to oil consumption issues. It fits perfectly with our 2010 suburban View Part 3 that covers the AFM deflector shield install:https://www.youtube.com/edit?o=U&video_id=OvU1naKi3i
Plagued by oil consumption issues and active fuel management problems, the Vortec engines were retired in 2013. Introduced in 2014 the EcoTec3 engine family featured 4.3L, 5.3L, and 6.2L engine variations throughout the Silverado, Sierra, Yukon, Corvette, Suburban, and CTS-V vehicles Owners claim in class action that Generation IV 5.3-liter V8 Vortec 5300 LC9 engines are defective. May 12, 2021 — A GM class action lawsuit over oil consumption has been dismissed after three.
I am curious if anyone has gotten a final solution from GM yet for the oil consumption issue for the 5.3 engine equipped with the AFM? I have a 2008 Silverado with about 61500 miles on it. Around 40K miles, I noticed it started using oil, the problem started getting worse, so I put it in the dealership . Remove the spark plugs and ensure that none of the pistons are at top dead center (TDC). Clean the pistons by putting 118-147 ml (4-5 oz) of Upper Engine and Fuel Injector Cleaner, GM P/N 88861802 (in Canada, use 88861804), in each cylinder oil Consumption is No longer an issue on the 2014 and up ecotech engine. Before I traded for this 2016 I drove my 2014 5.3 for over 60000 miles and had no oil consumption issues, got about 5000 miles. Thomcat. September 30, 2016. Two main causes of AFM problems was oil suction through the PCV system and AFM discharge valve oil spray against the.
In 2019, GM settled a class-action lawsuit regarding oil consumption in some Chevy Equinox and Terrain SUVs. If your GM vehicle is one of the above models with a 5.3-liter Vortec engine and you want to know more about the proposed class-action lawsuit, contact Beasley, Allen, Crow, Methvin, Portis & Miles, P.C or DiCello Levitt Gutzler LLC, the. If you own or lease any of the 2011-2014 vehicles listed that were built with a GM 5.3 engine, you could be eligible to participate in a class action lawsuit against GM for oil consumption issues. In addition to overconsumption of oil, adverse effects may including spark plug fouling, engine power loss or other engine malfunctions FALCON z. 01-07-2011, 01:13 PM. I had this same problem with my 2005 5.3. I'm not very educated when it comes to engines but in my own words, I found out from the dealer GM have a redesigned valve cover that prevents the oil from puddling up and baking instead of draining back down to where it is supposed to go
My 2014 Silverado (LTZ Crew Cab, 5.3, 6' bed, 4X4) is using about a quart and a half between oil changes. I use synthetic oil and truck has 54K miles on it. The dealer is supposed to start oil consumption test nest week. I LOVE my truck, but if they want to put me in a new one, I'd deal with it It's best to Google for that TSB, I had this problem with my 2004 Envoy 5.3, my fix was replace the driver side valve cover with new GM part and occasional spirited driving (to clean up the rings). IMHO using Midgrade or Premium fuel where not required allows the rings to get sticky easier
I have made a few post about my 2009 Tahoe 5.3l using excessive amounts of oil along with reading several others with the same issue . My Tahoe was using 3/4 to 1 quart every 800-1000 miles or regular everyday driving , So I recently had time to go speak with a old friend of mine that is a GM Master tech with 35 years Plus under his belt . #1. This is GM's third attempt to mitigate the oil consumption issues plaguing LS1 engines and 1999-2013 LS engine trucks. For some reason the engine eats oil through the PCV setup and people who run catch cans catch a significant amount of oil. For millions of engines that don't it pools up in the intake This is a common 5.3 liter Chevy engine problem reoccurring mostly in cylinders 1,4,6 and 7 of General Motors 2005-2014 models of it. The cause of this problem is usually an active fuel management (AFM) lifter. The ticking noise problem occurs when the AFM lifter is mechanically broken or stuck
On p.2 of the TSB it states If this repair does not correct the condition, it may be necessary to replace all of the piston assemblies (piston and rings) with new parts. SCARY ! GM also states Some customers may comment about engine oil consumption of vehicles with higher mileage (approximately 48,000 to 64,000 km (30,000 to 40,000m oil Consumption is No longer an issue on the 2014 and up ecotech engine. Before I traded for this 2016 I drove my 2014 5.3 for over 60000 miles and had no oil consumption issues, got about 5000 miles. Thomcat. September 30, 2016. Two main causes of AFM problems was oil suction through the PCV system and AFM discharge valve oil spray against the. I have excessive oil consumption on my 2007, 1500 Silverado 5.3. The vehicle is using a quart every 1000-1500 miles. They replaced left side valve cover and a VFM Deflector and said this would fix it It's a fact: GM LS engines consume excessive amounts of oil. Supercharged or turbocharged engines, as well as engines regularly run to the rpm limit, use even more. One reason for this high oil consumption is oil volatility. The harder you run your engine, the hotter the oil gets, causing some of it to evaporate
For example, BMW tells owners it's normal for some of its engines to burn a quart of oil in fewer than a thousand miles. In a tip sheet to fleet-vehicle operators, GM says normal consumption. parts catalog. Replace the engine oil. 8. Re-evaluate the oil consumption. Document on the repair order. If the oil consumption is still greater than 0.946 L (1 qt) in 3,200 km (2000 mi), replacement of the pistons and rings will be required From 2007 through 2009, the engine problems continued to plague Chevy and the sister vehicle, the GMC Sierra, with the 5.3-liter V8 engine. You couldn't get away from it, whether it's the oil pressure problem, engine knock, or excessive oil consumption. Then in 2010, Chevy got a handle on it and complaints became fewer. 2014 Silverados to No The VS-1 Valve Seal Oil Consumption Repair product can be used with all types of oil, and can be used to top off when you're low on oil. Understanding the Types of Seals. Valve stem oil seals are generally available in two basic types - umbrella seals and positive seals. A third type of seal—umbrella or deflector seals—are used mostly. 1. Excessive Oil Consumption. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. This problem led vehicle buyers to launch a class-action lawsuit against GM, which alleged 2010-2013 vehicles with Generation IV 5.3 Liter V8 Vortec 5300 engines were defective
Engine Burning Oil problem of the 2008 Chevrolet Avalanche 6. Failure Date: 01/01/2016. Excessive oil consumption. It the 5. 3l with active fuel management system. Gm knowns there is a problem and the only fix is to replace the rings and pistons or replace the entire engine at the owners expense, 5,000. 00 - 8,000. 00 06-07-11 11:27 AM - Post# 2100528 All, I have a 2007 silverado 5.3 and have been dealing with GM for 2 years with my engine consuming excessive oil. I have talked to the LAtimes, customer service, GM Executive offices, and Public Relations with no resolution Excess oil consumption (primarily on LU3 from 2004-2009) 1. 4.3L Vortec ICV and TPS Failure The idle control valve (ICV) and throttle position sensors (TPS) are prone to failure on all 4.3 engines, which can result in poor idling, engine stalling, bad acceleration, and other low-rpm running problems
GM 2.4 Oil Consumption Fix. Some oil consumption is natural in all engines. If you're noticing excess consumption (1+ quarts every 1,000 to 2,000 miles) then it's something to look further into. The problem could be with the piston rings, which is not a cheap fix. Fortunately, GM is aware of these problems with the 2.4L Ecotec engine . What a waste of time. There is definitely something very wrong with these new engines. I have owned a 1997 and 2004 and still own a 2002 with well over 100,000 miles and never have had any oil consumption issues Good advice. Some say that piston slap is not detrimental to the engine and does not affect longevity or performance. I can remember my dad's Chevelle SS had excessive oil consumption and piston slap. He drove the pants off that car and at 50k miles the oil consumption slowed to a quart every 5000 miles instead of every 500 miles On rare occasions, customers may complain of excessive engine oil consumption and/or blue exhaust smoke. This applies to a number of GM vehicles, including 2009 Buck Lacrosse Super, 2004-2007 Buick Rainier, 2004-2009 Cadillac CTS-V, 2003-2009 Cadillac Escalade, 2003-2006 Chevrolet SSR, 2003-2009 Chevrolet Avalanche, Corvette, Express, Silverado, Suburban, Tahoe and Trail Blazer, 2006-2009.
I can't believe that the 07 Suburban oil consumption problem hasn't been mentioned on this site, it is everywhere else. Many 07 Suburbans burn a lot of oil - GM will try to tell you that a quart every 1500 - 2000 is normal - which is just ridiculous. If you burn a quart every 1000 as mine did they will repair it (if you are under 100,000 miles) I am confused about the plug in disabler. I recently bought a 2018 Silverado 5.3L with AFM. It only has about 9k miles on it. I recently took a long trip and it burned 1.5 quarts of oil. The write up confuses me. Will the plug in deactivater fix the oil consumption or will it cause more consumption have a 2006 cts with same engine.have 96,000 on it,but has been using 1 qt every 1000 miles,dealer and gm swear this is normal.got new oil 4,000 miles ago. checked crank case oil level doesn't register, both dealer and gm want me to pay 90.00 for oil change and 236.00 for oil consumption test. gm knows engine loses oil 53 pages of cts. 5.3 Liter Engine. The 5.3 liter engine was first implemented halfway through 1999 with technological advantages bringing about better emission ratings and fuel economy. GM rates this engine between 285 to 295 horsepower. Torque is rated at 325 to 335 ft./lb. There are several versions of the 5.3, depending on the year of your truck
Recommended Oil for High Mileage 5.3 Vortec. What we have done here is to search far and wide to see what people say, what mechanics say, and what the manufacturer's themselves say too. Right now, we want to find out what the top recommended oil for Chevy Silverado and the Vortec 5.3 liter engine is Refer to the Oil Pan Installation procedure in SI. Replace the oil pan gasket if necessary. Refer to the parts catalog. Replace the engine oil. Re-evaluate the oil consumption. Document on the repair order. If the oil consumption is still greater than 0.946 L (1 qt) in 3,200 km (2000 mi), replacement of the pistons and rings will be required. In fact, excessive oil consumption usually manifests from around 50 000 or so km, and to address this issue, GM has released TSB 10-06-01-008F, which states that in cases where oil consumption reaches about 750ml per 3 200 to 4 800 km of normal driving, you should check the following Top 5 Reasons Your Engine is Using Too Much Oil. 1) Worn Seals or Gaskets. 2) Bad Quality Oil. 3) Worn Piston Rings. 4) High Oil Pressure. 5) Old Engine. 6) Synthetic Oil. How to Fix Excessive Oil Consumption
Mar 29, 2017. #1. My son has a 2005 GMC pickup with a 5.3L V-8, with 180,000 miles. Occasionally, at idle, the oil pressure will drop almost to zero, and the oil pressure light will illuminate. I have been doing some reading, and it seems this is a common problem with this engine 10/23/16 5:32 a.m. secretariata wrote: I seem to recall several members here have had problems with early AFM trucks/SUVs requiring new engines at relatively low miles (75k-125k). They don't need new engines, some dealerships would rather replace a whole engine than pull the heads off and replace the lifters, for whatever reason they have GM has issued two new technical service bulletins for the 2014-2015 Chevrolet Equinox and 2014-2015 GMC Terrain that can attributable to Oil Consumption issues, similar to what we've seen with the 2010-2013 Chevrolet Equinoxes and 2010-2013 GMC Terrains. They are as follows: TSB 20-NA-029 - Subject: Ticking, Tap, or Rattle Noise from Engine Since oil consumption is one of the problems that plague the 5.3L Chevy, it would be a smart thing to do always to check the oil regularly and top up the oil when necessary. Performing a routine oil change and oil flush will ultimately prevent knocking of the engine and would help preserve the health of the vehicle as well as other parts of the. Technically speaking, the settlement specifies that SCAs previously set up by General Motors for oil consumption issues outlined in service bulletins 14159, 15285 and 16118, which cover 2010, 2011 and 2012 models, will remain in effect though subject to their express terms, conditions, and time and mileage limits
. Before it would have been necessary to add oil some time ago, but now the oil consumption is nearly zero. And this success cost less than five percent of the initially estimated repair costs. This is an excellent way for workshops to secure customer loyalty, confirmed Dietmar Schmid The capture of exhaust gases in the combustion chamber contributes to a reduction in oil consumption, noise and vibration levels, and exhaust emissions when operating in V4 mode. During the transition from V8 to V4 mode, the ECM turns the fuel injectors OFF on the deactivated cylinders Like the GM-specific dexos 1 oil, GF-5 oils deliver better performance but cost more. Expect to pay about 15-20 percent over comparable GF-4 oils. The new GF-5 and GM dexos oils are superior to. GM offers the following diagnostic steps in determining if this is the problem. 1. Perform a Cylinder Deactivation (Active Fuel Management) System Compression Test. If Problems regarding Chevy 5.3L engines, if the running compression of the misfiring cylinders stays below 25 PSI. Regardless of the AFM solenoid being commanded on or off The new Mobil 1 Synthetic LV ATF HP transmission fluid is now available to U.S. dealerships through your local GM Oil Distributor. The new Mobil 1 Synthetic LV ATF HP transmission fluid is available in quart bottles (GM Part Number 19417577) and, for a limited time, in 55-gallon drums (GM Part Number 19417904) (Fig. 12) in most locations
General Motors, for example, responded to complaints about oil-burning in the 2.4-liter four-cylinder engine the company used in a number of Chevrolet Equinox and GMC Terrain SUVs by extending the. If you own or lease a 2010-2017 Chevy Equinox or a 2010-2015 GMC Terrain and had problems with the car's oil consumption, you should be aware that a class action lawsuit has been filed against General Motors (GM) that may affect you Chevy and GMC dealers were told in previous technical service bulletins to install updated engine control module calibration and perform an oil consumption test. This time dealers are told to diagnose the problem and replace the pistons. GM says repairs will be made for free (based on warranty coverage) and that the warranty will be extended to.
So I was idling my 01 Tahoe 5.3L down a mountain trail last night and my check oil pressure light came on and I checked the pressure gauge and sure enough there was ZERO oil pressure...I immediately stopped the engine and checked my oil level, I still had full oil (I changed my oil and filter 90 miles ago with mobile 1 synthetic) and there was no coolant in the oil, I started the Tahoe back. Engine oil pressure is routed to the valve lifter oil manifold assembly from an oil gallery in the rear of the cylinder block. Cylinders 1, 4, 6, and 7 each have 2 vertical, cast-in-block oil passages . The vertical oil passages permit oil flow from the manifold assembly to the valve lifter bores The GM / Chevy LM7 is a 5.3 l (325 cu.in.) natural aspirated V8 90° four-stroke gasoline engine from a Generation III small block V8 truck engine series. The engine was manufactured in St. Catharines, Ontario and Romulus, Michigan from 1999 to 2007. The GM LM7 (Vortec 5300) features V8 90° cast-iron cylinder block with a five-bearings crankshaft, two aluminum heads, a single one-piece cast. oil consumption 5 Answers my truck is going through several quarts of oil each week. no smoke,no leaks its a chevy 5.3 2008 Chevrolet Silverado 1500 2LT Crew Cab 4W In fact, in a survey on oil consumption held by Consumer Reports, four of Subarus cars landed themselves in the top 30 for oil consumption, with many more not far behind. The worst offender manufactured by Subaru was by far the models with 3.6 liter six-cylinder and 2.0- and 2.5-liter four-cylinder engines
Low engine oil from excessive oil consumption is a leading factor for a blown engine. Luckily, the oil consumption issues show up while the vehicle still has (or had) powertrain warranty in effect. If the repairs are necessary outside of warranty coverage, it can cost $3,000 or more for Chevy Equinox engine replacement alone, not considering. Also, the 5.3 liter engine in the 2010-2014 models is coming under a class action lawsuit soon for numerous oil consumption problems. This vehicle and a friends using the same engine, were, and. Low oil level provides inadequate volume to pressurize the lifters. Aged, dirty oil loses its viscosity, and the sludge blocks the orifices in the lifters, preventing lifter pressurization. How to fix the problem: Replace the cracked cylinder heads. Replace the faulty oil pump O-ring with GM part 12563963, as prescribed in TSB 02-06-01-038 Great! now all the plugs can foul and destroy the piston rings. the AFM on my 2010 5.3 Silverado has left me limping home 7 times and has required new pistons, rings, valve cover, oil deflector.
I think the GM 4.3 is one of the best V6 engines out there,my brother has a 1994 S10 2wd, 287K on it,its the vortec 200HP,it runs like new,no leaks,no oil consumption.It will lay rubber all the way thru 1st and 1/2 way into 2nd,it is an auto.I ahve a 1995 blazer 135K,still like new,no oil use at all.My parts suppiers (Napa store,use either S10 or Astro vans exclusively since 1986.They have at. View your Chevy vehicle's specific recall information and active notifications at the Chevrolet Owner Center
GM LS engines with Active Fuel Management or AFM. After installing new lifters the original issue may not have been corrected. Most lifters returned for analysis are found to be good. We have found that most lifter faults are caused by oil pressure issues, or control issues Some 2017-2019 F-150 and 2018-2019 Expedition/Navigator vehicles equipped with a 3.5L EcoBoost engine built on or before 1-Apr-2019 may exhibit excessive oil consumption with or without diagnostic trouble code (DTC) P0365 and/or P0369. If there are no visible external oil leaks, replace both valve covers The problem was that it consumed excessive oil, causing a lack of lubrication. This of course could lead to a blown engine, which is a costly fix. However, the V6 engines did not have this problem. Though the 3.0L V6 (2010-2012) suffered from failing timing chains, the 3.6L V6 (2013-2017) did not engine burning oil. Consumption test started at 10,700 miles. 17500 mi: Completed oil consumption test with GM dealer, Test showed engine using half a qt in 6,400 miles. Engine considered broken in at this mileage. I am satisfied at this time. 30000 m
The oil level did drop by about 1/4 qt. So factoring out the catch can capture, the engine is using about 3 oz of oil in 1000 miles now. Not bad at all. I did a look up of the EPA estimated fuel economy on this model/engine, and this car is getting about 2-3 mpg better across the board than the estimates One of the biggest problems with the Verano was a common GM issue in vehicles from the 1990s related to excessive oil consumption. This was due to a poorly manufactured turbocharged inline-4 engine, which Buick hoped would result in a more fun-to-drive vehicle compared to the now-retired Pontiac G5 and Saturn Astra cart7881 said: As BigR said, there isn't a pcv valve in these engines. There is an orifice (2.5mm/0.098in) that controls the flow of vapor. The two hoses at the rear of the camshaft (valve) cover are for the PCV system. The hose that connects to the resonator is the fresh air (inlet) hose and the hose that connects to the intake is the dirty.
Return the suspect lifter, oil sample, a copy of the repair order and completed questionnaire from Step 3 to: Jay Dankovich. GM Service Operations. Mail Code 480-204-015. 30501 Van Dyke Ave. Warren, MI 48090. Related Articles GM temp DTC GM shift DTC GM DTC B0081 No mileage bonus with the 4.8 over the 5.3. Used buyers may like to know that GM in 2008 and post bankruptcy, 2009 made up different equipment packages that did not exist in catalogs The 2007 Chevy Silverado is probably the one you'd want to avoid, especially if it has the 5.3L V8. Apart from guzzling fuel, that particular engine also guzzles oil. Owners have reported having to pour up to a quart or two of oil in every 1,000 miles or so. And Chevy didn't fix the issue for the 2008 release either The 5.3 Liter Vortec engine by General Motors is based on the small block V8 platform. This is the same platform used for producing many of the LS series engines that were for performance cars, such as Corvettes, but the 5.3 L Vortec is primarily used in large SUVs and trucks
GM Problem information and resources for consumers for reported piston slap, engine knock, water leaks, brakes, rotors, headlights dimming and other problems with General Motors cars, trucks and SUV's. Determine if you have a legitimate claim for recovery under the lemon law .. Most commonly, such a reference is to one of the manufacturer's most successful, best known, or longest-lived 90° V8 engine series. These include the pioneering overhead valve 331 cu in (5.4 L) cu in introduced in. 3.4 Chevy Motor Problems. The Chevrolet 3.4L (3400) V6 is just one variant of a huge family of 60-degree V6s in production since 1980. Though this engine has seen constant improvement over the years, no amount of evolution will ever eliminate all of GM's notorious engineering flubs
CHEVY 5.3 V8 99-06 ENGINE V8. VIN T & Z Includes timing cover and oil pan ***Does not include balancer** A new class-action Ford F-150 lawsuit, William Kennedy, v. Ford Motor Company, et al, has been filed in the Ontario Canada Superior Court of Justice alleging that Ford's 5.0L Coyote V8 is defective. The lawsuit, which includes 2018-2020 Ford F-150 models equipped with the Coyote engine, claims that a number of defects cause excessive oil consumption by allowing oil to enter the combustion. A Simple Fix For General Motors SUV's With Irregular Electrical Issues. Tweet. By Charles W. Johnson , November 5, 2014 at 9:58 pm. A common problem on the mid sized General Motors SUV's of the. The oil-change industry has long prescribed changing your oil every 3,000 miles. In recent years, most automakers have stretched that to 7,500 or even 10,000 miles because refinements in engine. 2007 Silverado 4x4 5.3L 128K miles.The RA003 fixed the following:oil consumption,driveability,transmission shifting and I can now pull my 25'travel trailer in 4th gear.Mileage same to better than without RA003