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Prev Professional Automotive Repair Technical Discussions for January 5, 2010
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Open Help Requests for GM
Help Request Answers
1995 Buick Park Avenue 3.8L door locks VIN: 1G4CW52K9S
Can anyone tell me where the door lock relay is hiding??? MOD says it is under the driver's seat. I have looked and the only thing there is the power seat module. Fuse #1 in the relay center (under right dash) that powers up the door lock relay blows as soon a...
2002 Buick LeSabre Custom 3.8L cluster VIN: 1G4HP54K62
Hello all and thanks for reading this. This is my wife's car. While driving the car strange things happen. First the radio will quit and it locks. Then some warning dingers go off and the security light comes on. then the guages will sweep and quit working (ex...
1990 Cadillac DeVille 4.5L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 1G6CD339L4
We have been working in this vehicle for about 2 weeks now.Came in as a no start and after changing the plugs and wires got the car to start but had no power even to pull itself out of the work bay.Changed the distributor and put hotter plugs in and got it dri...
1997 Cadillac Catera 3.0L Oil leak VIN: W06VR52R8V
Hello all & thanks in advance for reading this post. 97 Catera has a substantial oil leak from RR of cylinder head area, thought head gasket at first (by the way, this is very difficult to see, even w/ mirror) but seems to be coming from higher up, the oil sep...
2003 Cadillac CTS 3.2L Blend doors VIN: 1G6DM57N23
The heat on both the drivers side and passengers side are set to 90 degree's the air coming out on the passengers side is approx 190 degree's and is approx 160 degree's on the drivers side. Both blend door sensors read .96 volts and respond properly when comma...
1997 Chevrolet Astro 4.3L Poor Idle Quality, MIL Lamp on VIN: 1GCDM19W1V
Good afternoon,I have a 1997 astro van that was towed in as a no start diag.The truck stalled on the highway at mid cruise and would crank but would not start.Both the coil and the distributer cap were burned thru and truck had good fuel pressure,injector driv... Trouble codes: 300 (random misfire)
2001 Chevrolet Silverado 2500 HD 6.0L 1-2 shift VIN: 1GCHK29U61
Hello. This transmission has delayed 1st gear engagement, but reverse engagement is fine. At times the idle must be increased for engagement, but once engaged in gear, no slip is evident. When shifting to 2nd gear at times it flares before a delayed 2nd engage...
2002 Chevrolet S10 4.3L No Start, MIL Lamp on VIN: 1GCDT19W62
A little lost on this one. I have checked cam signal,crank signal(looks funny),fuel pressure, replaced fouled pluges,tried another coil/ignition modual. I sounds like it wants to start but timeing is off. Is it possible for the crank reluctor to slip? any help... Trouble codes: P0355
2004 Chevrolet Trailblazer LS 4.2L No Start VIN: 1GNDT13S54
This truck came in after some one else put in a fuel pump. Still will not start. Customer states it run fine the night before. When they came out in the morning no start. It will fire like it is going to start but doesn't. It has 55psi fuel press, no codes,spa...
2005 Chevrolet Silverado 2500 HD 6.6L Misfire, MIL Lamp on VIN: 1GBHC23285
GM techs i have very intermittent one.p1244 #8 injector control circuit. I have fixed many on #2 & #7 I have moved & wiggled wiring harness but could not duplicate.Have you seen ficm fail very often & be intermittent any other recommendations would be Trouble codes: P1244
2006 Chevrolet Impala LT 3.5L cooler line VIN: 2G1WT58K66
I replaced a ruptured PS low pressure hose on this car last week. Hose is from rack to cooler and it had ruptured in the section between steel line from rack + cooler inlet. Original hose looked good except for area where it got blown out. 1 week later cust re...
2007 Chevrolet Express 3500 LS 6.0L Mechanical VIN: 1GAHG39U67
Happy new year to all. This is for transmission techs. I dropped the valve body for inspection and there went the check balls. Not good. HOW MANY BALLS ARE IN THIS UNIT- MT1 / 4l80e??? I counted 8 balls that dropped(eight). However, there are 9 circular dimple...
2006 GMC Yukon Denali 6.0L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on, running extrem rich VIN: IGKFK66U16
hello and thanks in advanced the customer broke down drove this truck in it wont idle on its own you have to hold your foot on the gas pedal , i check code listed above the customer stated this happen all of a sudden the fuel trim has a neg reading -19 and the... Trouble codes: P0101, P0300
2002 Oldsmobile Alero GL 2.2L No Start VIN: 1G3NL12FX2
Hi, hope someone can help me out! This car came in with a jammed ignition switch. Somebody broke in to the car and tried to break the ignition switch out! I managed to get the switch out and a new tumbler assembly installed. Now here's the problem. When I went... Trouble codes: B1379 (b2960-), B2960 (b3128-), B3128
1992 Pontiac Bonneville SE 3.8L heater VIN: 1G2HX53LON
Engine never gets above 180 degrees even in summer time. In winter months this car only puts out luke warm air. Replaced t-stat twice, ck'd circulation in rad., then even replaced heater core. heater hoses AND rad hoses only WARM TO TOUCH. Air flow through hea...

Fixes & Summaries for GM
Fix/Summary Answers
1991 Buick Regal Custom 3.8L Mechanical VIN: 2G4WO5463M
Thanks fpr all the advise. We did go with getting a used oil filter adapter. eliminated the one with the cooler lines. Sorry for so long to reply. The costomer was not in a hurry for this and I was not sure I wanted to do it this way but it worked out fine....
1992 Cadillac DeVille 4.9L heater VIN: 1G6CD53B1N
Thanks for everyone that replied the vehicle is on the road and the temp has been hovering around 0deg F. so I believe it is fixed. It appeared to not be circulating thru the heater core so I backflushed the heater core. It still did not circulate so I filled ...
1997 Chevrolet Astro 4.3L No Start VIN: 1GCDM19W8V
Turned out the vehicle had an intake gasket performed & when it was put back together the wiring to the coil got pulled from the connector i ended up replacing the coil & connector thanks for all the help everyone
2004 Chevrolet Suburban 1500 Z71 5.3L Engine Block VIN: 3GNFK16Z24
Good news! The engines were the same. I swapped out the intake and the exaust manifolds. Everything matched perfectly. I checked with GM and they said the pistons and main bearings were the same also. So I went for it. Thank you so much to all who responded.
2006 Chevrolet Impala LT 3.5L Air Bags VIN: 2G1WB58K06
All replies reiterated checking the connections to the air bag and not "trusting" the body tech that told me he had checked them twice. Thanks to Bob, Bill and Ross for nailing this. I got some great advice on the clockspring and how it usually burns up when ...
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