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Prev Professional Automotive Repair Technical Discussions for July 15, 2006
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1996 Buick Century Custom 3.1L Cuts out, Stall VIN: 1G4AG55M9T
I need some help with this one. I have recently changed jobs, so I don't have the resources of a shop anymore. This is my son's car. He complains of a dying out and sometimes hard to restart condition intermittently. It seems to happen more frequently in hot w...
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2000 Chevrolet Impala 3.4L Stall, MIL Lamp on VIN: 2G1WF52E6Y
Hi fellow technicians, this is a taxi , we did some work on it 3 months ago we did a full tune ups (plugs, wires, air filter, fuel filter, fuel pump was noisy we put new one). check engine light was on for ckp sensor put new one from the dealer,a three days a... Trouble codes: P0336
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2000 Chevrolet Impala LS 3.8L transaxle VIN: 2G1WH55K3Y
The vehicle has a "hum" sound like a turbo engine. The sound starts light at 10 mph. Then it increase louder at 50 mph. The low frequncey "hum" is so bad at 50 mph that slight vibration can felt through the steering wheel. Then the "hum" and vibration fades ou...
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2001 Chevrolet Venture LS 3.4L cooling fans VIN: 1GNDU03E71
hello,this car will not allow me to turn on the high speed cooling fans with the scantool,it will allow the low speed fans to be turned on,i am using a genisys tool.i have checked relays and fuses,studied wiring diagram,found if i ground the dark blue wire at ...
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2002 Chevrolet Blazer LS 4.3L heater core VIN: 1GNCS13W32
I have this 02 blazer that makes a water or gurgling type noise on accel after start up at times. noise comes from heater case area, does anybody know of any bulletins or updates. cooling system holds pressure and no signs of corrosion.
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1991 Geo Storm 2+2 1.6L Excessive Emissions, Surge, back fire VIN: J81RF2365M
hi.everyone I HAVE PROBLEM WIHT THIS CAR,WHEN I DRIVE CAR AT LOCAL,ACCEL 25 TO 35 MPH HAS BACK FIRE ON INTAKE MANIFOLD,AND ALSO RUNNING RICH,CHECK IGNITION TIMMING 10 DEG(IN SPEC).AND CHECK ENGINE ALL (INTAKE ,EXHAUST) VALVE OK.CHECK ECU HAS GOOD BATTREY VOLTA...
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2003 Hummer H2 6.0L lack of power VIN: 5GRGN23U43
cust brought in h2 for lacks power wont accel and will hardly mak it up hills. we test drove and verified complaint. did basic scan and fuel press testthey seemed fine.while on test drive if you tryed to accelerate it felt like you were towing very big trailer...
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1998 Oldsmobile Aurora 4.0L No Start, irratic systems VIN: 1G3GR62CXW
Tach jumps around all the time. Speedometer will start to jump and eventually will peg at 160mph while driving 40mph. when this happens, the a/c cuts out, the rest of the dash gauges go to their rest position, traction control light comes on, and a few other o... Trouble codes: P0603, P1602, P1603, P1604, P1605
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1995 Pontiac Grand Am GT 3.1L no rear brakes VIN: 1G2NW15M4S
has codes 48 & 51 in system, not sure what they mean by nut spinning unless they mean inside abs unit itself. what can I do besides replace unit? Is it possoble to eliminate the abs and just put a four line master cylinder on instead? not proper I know but the...
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac Seville SLS 4.6L climate control VIN: 1G6KS54Y52
Hello, Thank you for the replies and i appologize for the time frame to close this. There was not a blend door problem but the a/c charge was low. This was new for me. The pressures looked good initialy but after the replies and reserch, I went back to the bas...
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2003 Chevrolet Silverado 2500 HD 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GCEK19U03
This truck is now fixed and all the replies were great-lots of knowledge out there. The culprit was an mushroomed/bad/bent valve on number 4 cylinder. I should have picked it up with my ign scope or the vac gauge but it hardley moved and the ign pattern was co... Trouble codes: P0300.
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2003 Pontiac Aztek 3.4L drive train VIN: 3G7DB03E23
thanks to every ones replies. after initial service , (we changed suspect gear oil), customer has been back and said noise is gone, john when i get the vehicle back, im going to ck, that connector. she's coming back for new tires, yea return customer.
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2000 Saturn SL 1.9L security VIN: 1S8FC6H8GY
unfortunatly the customer took the vehicle tothe dealer at directly left for holidays. thanks for all the replys,you guys rock.
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