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Prev Professional Automotive Repair Technical Discussions for February 18, 2013
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Open Help Requests for GM
Help Request Answers
1984 Chevrolet Corvette 5.7L Battery VIN: 1G1AX078XE
Vehicle came in for battery drain. Isolated it to radio fuse. Pink and white wires were traced to lighting delay module under passenger compartment glove box area. Vehicle came in about a month later with same issue. Customer had stereo system and alarm system...
1990 Chevrolet C1500 454 SS 7.4L Cuts out VIN: 1GCDC14NXL
This truck entered my shop with a complaint of an intermittent misfire. When I started it in the morning I could smell antifreeze. When I did a block check I found HC in the cooling system. We pulled the heads and sent them to the machine shop where 1 was foun...
2001 Chevrolet Blazer LS 4.3L Oil Filter Blows seal and balloons at start up VIN: 1GNDT13W81
I took over this project about a week ago. First assuming that it needed a fuel pump at 114,000 miles?? Second i checked plugs, wires, cap, and rotor. Found that the PLugs, cap, Rotor, and wires were all factory GM original and way over due for replacement. SO...
2009 Chevrolet HHR LT 2.4L water in oil VIN: 3GNCA53V69
car came in 2 week ago overheating according to custmer foung no leaks pulled inpection cover of water pump seen coolant leaking out of front seal rr water pump and t stat filled with coolant test drove car all worked good costmer came back this morning saying...
2002 Oldsmobile Silhouette Premiere 3.4L No Start, MIL Lamp on VIN: 1GHDX03E72
May take 2 days of driving to set code 336. Once a week to get a no start condition. During no start, fuel pump runs, have fire at spark plugs. Watching pids all looks normal except 24x (139) koeo, cranking pid does not change. Battery went dead,(jumper cables... Trouble codes: 336 (24x crank sensor)
2002 Saturn SL1 1.9L Brake Pads VIN: 1G8ZH52822
Hi everyone i have this saturn here that i replaced pads on and now have low pedal, all i did was remove lower bolt flip up caliper put on new pads push pistons in and put back togeather. Now low pedal, tryed bleeding system with no help,pinched off front brak...

Fixes & Summaries for GM
Fix/Summary Answers
1997 Chevrolet K1500 5.7L Rear Brakes VIN: 1GCEK14R8V
Well thank you for all the great post and trying to help. Some of you I wish would read the hole post before you reply. I'm sorry I took the ABS pump off this truck, I was trying to eliminate something that I could not be sure was not trapping air. It reall...
2005 Chevrolet Silverado 1500 SS 6.0L Engine VIN: 2GCEC19N75
Thank You to everyone. The fix was the system needed to bleed air from the cooling system. Joe was right that the small hose from the rad. to the surge tank was blocked. Thank You to everyone your help was very helpful.
2005 Chevrolet Impala LS 3.8L 2-3 shift VIN: 2G1WH55K75
I have not had any hands on with this car yet. Customer is dealing with warranty and lawyer issues on the vehicle, so it may be a while before it actually comes in! Thanks to you all for the info. and the data to look at. It will help knowing where to get sta...
2004 Pontiac Vibe 1.8L Hesitation VIN: 5Y2SL62854
Well the Vibe is out the door. After much dicussion and thinking. I decided just to empty the fuel tank and put new gas in it and bam it ran terrific. I don't know if there was something in the line or if the fuel was bad but were gonna get the fuel tested a...
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