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Lubex Power Flush Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting samelectrical New User Oct 28, 2005, 6:47 PM Post #1 of 3 (5750 views) Lubex Power Flush Sign In I recently brought my 93 Astro, 4.3ltr, into Lubex to get an oil change as it was overdue and I was heading out of town for a 800k trip. They recomended an power flush of the crankcase. After about 150k's out of town I started hearing a knock from the engine so I turned around and brought the vehicle into a mechanic to have it checked out. He said he found a lot of metal in the oil pan and that a crank bearing was excessively worn. He suggested that Lubex possibly was at fault. He sent some pics to the engine rebuilder, engine is still under warranty, and the rebuilder sent a GM notice back indicating not to power flush engines. Bulletin No.: 02-06-01-028 Date: August, 2002 INFORMATION Subject: Engine Crankcase Flush Models: 2003 and Prior GM Cars and Trucks 2003 HUMMER H2 2003 and Prior Isuzu Light and Medium Duty Trucks with Gasoline Engines General Motors is aware that some companies are marketing tools and equipment to support engine crankcase flush procedures. GM does NOT endorse or recommend crankcase flushing for any of its gasoline engines. Analysis of some of the materials used for crankcase flushing procedures indicate incompatibility with GM engine components and the potential for damage to some engine seals and bearings. Damage to engine components resulting from crankcase flushing procedures is not covered under the terms of the New Vehicle Warranty I wonder now if Lubex is at fault. Has anyone had similar experience or can offer some advice? Thanks Scott Scott Tom Greenleaf Ultimate Carjunky / Moderator Oct 29, 2005, 10:14 AM Post #2 of 3 (5744 views) Re: Lubex Power Flush Sign In REAL SIMPLE - DON'T DO THAT!!!!! I know you meant well but it was never needed, - T DanD Veteran / Moderator Oct 30, 2005, 6:30 AM Post #3 of 3 (5742 views) Re: Lubex Power Flush Sign In I would go back to Lubex with the service bulletin along with all service information you have on this vehicle. These engine flushes are an easy sell for them using peoples thinking that cleaner is always better. If you had that much sludge in your engine that it requires a cleaner to try and remove it then the damage was already done. But just like the bulletin says the chemicals they used may have caused this damage, it’ll be up to you to prove it was, by taking oil samples into a lab and having it analyzed for contamination. I think you’ll have a long road in front of you, stay calm, use a professional mature attitude towards everyone and if they see you are serious about this you may get some satisfaction. Dan. Canadian "EH" (This post was edited by DanD on Oct 30, 2005, 11:58 AM)   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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