|Prev||Professional Automotive Repair Technical Discussions for April 26, 2009
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Open Help Requests for GM
|1949 Chevrolet std 5.0L Hesitation, MIL Lamp on VIN: KAA5703901
Car came in and would almost not go down the road under power. Checked timming and it was to advanced,code42 in computer. Changed module in distributor and set at 0 and hooked up wire. Now I can drive car down the road when it is warm and it seems to run bette... Trouble codes: 42 (est circuit)
|2003 Chevrolet Silverado 1500 5.3L shift motor VIN: 2GCE19T531
Customer came in intermttent 4x4 light operation. Every time the truck was started the auto 4x4 light would be set on a diffrent setting, then got stuck in 4 hi.the motor sounds like it wants to shift. We replaced 4x4 switch and shift motor sensor, then shift ...
|1997 GMC Pickup K2500 7.4L CKP sensor reluctor
I am replacing the Camshaft due to roller lifter failure.I plan on replacing the timing set as well. Service manual says to replace the CKP reluctor any time it is removed. I have not yet pulled this one. I was wondering why it is not "reusable" if it is not d...
|1995 Oldsmobile 98 Regency Elite 3.8L Cuts out, Stall VIN: 1G3X52K4S4
hello group hope you can shed some light on this one. this 1995 olds 98 will die on you then no start for brief, then fires and runs great, was at thee other shops before friend sent her to me, i was at buick and chevy dealer for 14 years and now at chrysler s...
|2000 Pontiac Firebird Formula 5.7L No Start VIN: 2G2FV22G3Y
ran checks fuel pressure ok, no fire at cylinder 1,3,2,6, but inj. firing good. engine starts runs about 2 seconds and dies, but those cylinders never fire coils, have changed coils still no fire.
Fixes & Summaries for GM
|1972 Chevrolet corvette 5.7L louver door VIN: 1Z37K2S507
Thank you very much for all the input!! I finally got to the bottom of the problem when I noticed that the valve underneath the passenger side wiper arm wasn't in the right position. Every time the wiper blade came down it hit this valve allowing vacuum to "...