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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 2, 2006
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Open Help Requests for GM
Help Request Answers
2000 Chevrolet S10 2.2L master cylinder VIN: 23NREKJSHN
hey guys my buddy got this truck and the clutch masre cylinder is leaking,he does most of the work on this truck himself.But he called me to ask me how to take the master cylinder out because there are no nuts or bolts holding the master cylinder.Ihave not cha...
2001 Chevrolet S10 4.3L Cluster, Radio VIN: 1GCCT19W61
Customer bought this truck from the auction. Complaints were intermittent no start, dead battery when sits for 3 or more days, cluster works intermittently. Started with battery issue, found draw, started pulling fuses in underhood junction box found excessive...
2002 Chevrolet S10 4.3L 4x4 VIN: 1GCDT3W62K
The vehicle has the 4x4 instatract system while driving down the road at times when vehicle is in 4x4 their is a violent klunking in the front end and it feels as if the front axle is ingaging and disengaging.
2006 Chevrolet Trailblazer LT 4.2L No Start, Poor Idle Quality, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1GNDT13S76
ENGINE IS SO RICH IT FLOODS OUT THE SPARK PLUGS -WILL ONLY START WITH NEW PLUGS AND SOON REFLOODS unless driven hard! The following parts have been replaced due to scan tool readings being out of spec: MAF, MAP, CPK, CMP, PCM All grounds have been resistance...
1998 Oldsmobile Bravada 4.3L Electronic Climate Control VIN: 1GHDT13W4W
Greetings GM Techs, This Bravada has ECC codes B0408 and B0416. Won't maintain a steady cabin temperature and will start to blow cool air after a while. Went down both Mitchell and AllData fixit trees and came to the "replace actuator" point and did so [no sma...
2000 Oldsmobile Intrigue GLS 3.5L Stall VIN: 1G3WX52H6Y
Intermittently on cold start up engine wants to stall service vehicle soon, trac off, and pcs lights come on and stay on until next cycle of the key, when this happens code co236 tcs rpm or rear speed sensor is stored
1995 Pontiac Grand Am SE 2.3L engine and trans swap VIN: 1G2NW15D95
We want to do an engine AND transmission swap into a 1995 Pontiac Grand Am from a '96. Hollander says the transmission HAS to be a '95 to fit, as does the engine. The earlier one is a 2300cc, and the later is 2400cc. I don't know what other differences there m...
1995 Pontiac Sunfire GT 2.3L Poor Idle Quality, Surge, MIL Lamp on, overheat VIN: 1G2JD12D5S
This one is giving me fits. I am ashamed to say we have had it for about 6 weeks now. Original complaint was overheating. We tried several things t-stat, flushing cooling system, blowing debris out of small hoses leading back to jug (that was from iatn post I ... Trouble codes: P0507

Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Rendezvous CX 3.4L Compressor clutch does not engage VIN: 3G5DB03E82
Thomas, Kurtis and Leslie pointed me toward the BCM as possible cause of the problem. I disconnected and reconnected the BCM and the AC compressor engages now. I think it's safe to condemn the BCM. Customer wants to wait and see if the problem reoccurs. I rece...
1991 Cadillac Allante 4.5L ABS hydraulic unit VIN: 1G6VS3380M
Customer found a reman for $1,000 at Tom Rohner's Allante Store in San Diego, CA [...]. We installed it, works fine.
1991 Chevrolet Lumina Euro 3.1L Cuts out VIN: 2G1WN54T3M
Once again people, you have bailed me out of trouble. The responses ranged from intake leaks, and egr problems, through injectors and valves. It seems the most common problems are coil packs and intake and Injectors also, a lot of you mentioned a discrepancy b...
1992 Chevrolet Cavalier Z24 3.1L No Start, Cuts out VIN: 1G1JF14T5N
Well the easiest thing to do was to drop the glove box & rap on the ECM. When I hit the ECM the car shut off like you were turning off the key . Replaced the ECM . Car running fine now . Thanks for all replies
1998 Chevrolet S10 LS 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCDT19X5W
Thank you to all who replied, I really had a strange one on my hands this time, one reply in particular helped a bunch. I took compression while running and had a 20% loss of compression on #4 compared to #2 cyl. removed intkae to check lifters, and also remov... Trouble codes: P0304 (4 cylinder misfire).
1999 Chevrolet Cavalier Z24 2.4L battery drain VIN: 1G1JF12T3X
The fix was to replace the defective convience center module installed less than 30 days before. GM warranted the part. I was hopeing maybe someone had seen a problem in this system that caused problems with the module causeing them to go bad. Apparently no su...
1999 Chevrolet Lumina 3.1L timing chain VIN: 2G1WL52MXX
thanks for those who replied. this car is running and went to florida 2 months ago. I was wondering if anyone else ran into it before. the best explanation was that the key on the crank is 2 teeth from the dot and my guy maybe had the key lined up instead of t...
2000 GMC K3500 Sierra SLT 7.4L MIL Lamp on VIN: 1GTHK33J7Y
have not found out why iat sensor goes to ground at times. have checked wiring and sensor. have not tried control unit yet. customer needed truck back until after 1st of year. will post what i find when i fix the problem. thanks for any help i receive. fred. Trouble codes: P0112, P1112 (iat votage reading low - intermediate problem).
2002 Oldsmobile Intrigue GL 3.5L starter VIN: IG3WS52H12
Happy New Yr. This vehicle is fixed, everyone had good input on this problem. I caught it in the act the day the customer dropped it off, made sure the wiring was ok and replaced the tumbler. Thank you for taking the time to help me.
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