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Prev Professional Automotive Repair Technical Discussions for September 16, 2009
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Open Help Requests for GM
Help Request Answers
1997 Cadillac DeVille d'Elegance 4.6L front lower control arm bushings(front position) VIN: 1G6KE54Y3V
Hello there,I am at wits end,I am trying to replace front lower control arm bushings in this Caddy.Problem is I cannot find anyone who sells these bushings aftermarket,and dealer only sells control arms complete ($500.00 each)Has anyone had any luck finding bu...
1982 Chevrolet Impala 4.4L no power in drive VIN: 2G1AL69J6C
can runs and starts fine. place in drive and no power. power brake and it acts like the ehaust is plugged. brake pedal hard replaced brake booster and now have good vac. but still no power. place hand over carb runs great has power. sprayed engine down for vac...
1997 Chevrolet Blazer 4.3L Misfire VIN: 1GNDT13W3V
engine misses on 1-3-5 cylinders.2-4-6-are fine.replaced plugs,wires,cap,rotor.checked for internal vacum leak,none found.fuel pressure fine.[...] all 3.miss comes and goes just on these cyl. when hooked to modis.leaning toward spider injector,but not... Trouble codes: P0300
1999 Chevrolet Express 3500 5.7L Mechanical VIN: 1GBJG31ROX
what is the easiest way to change engine, if any?
1999 Chevrolet Blazer 4.3L Starting VIN: 1GNDT13W1X
This blazer was towed in with a no start problem. It will start and shut off after a couple of seconds, so I know that it is in the anti-theft system. It has a code 1626 loss of communication with the VTD. It says to attempt to communicate with the VTD on the ...
1999 Chevrolet S10 2.2L starter, lighting VIN: 1GCCS1447X
Hello to all and thanks in advance. I am having trouble with my personnal vehicle. I downshifted to accelerate past another vehicle...5th to 4th at about 65 mph and midway through I lost engine and headlamps. The hazard lights now only work if brake pedal is d...
2001 Chevrolet Silverado 1500 5.3L Steering Gear VIN: 2GCEK19T61
Heh Folks, This truck came into the shop with the complaint of a high pitch noise (Customer said sounded like low p/s fluid), Customer had the local GM dealer replace the pump in Feb 09 the dealer still found noise and hard steering replaced with a second pum...
2002 Chevrolet Tahoe LS 5.3L compressor VIN: 1GNEK13Z42
Hey everyone out there looking for some advice on this one here. Customers ac compressor had shelled. On these systems with the few we have done have had problems when we just replace the compressor after metal has been found in the orfice tube. I reccomended ...
2003 Chevrolet Trailblazer LS 4.2L column VIN: 1GNDS13S13
hello, thanks in advance for any help. this vehicle is a theft recovery. it was taken from a carwash with key left in ignition, so there is not any apparent damage to the steering column. the customers complaint is that the wheel no longer locks. after tear do...
2006 Chevrolet Silverado 2500 HD LT 6.6L Accessories VIN: 1GCHK23D66
for no reason radio and all lights come on with out key in ingition
2006 Chevrolet Silverado 1500 WT 4.8L air bag sys VIN: 3GCEC14V36
truck has history code boo26 code was never curent in my shop. check all conections all look good. i pot a sir coil in the steering colum. and code came back in 5 days. the light came on in the am. code is still hostory. can any one help me a donot have a load...
2007 Chevrolet Impala LS 3.9L headlamps stay on after key removed. VIN: 2G1WS55R47
headlamps stay on after key is shut off.drl lites not working. problem is intermittent.pulling low beam fuse for either side will put out all headlites.when lites stay on the tail lites do go out. when head lites wont go out they are on full bright ,not like t...
1999 Pontiac Grand Am SE 3.4L Temp guage VIN: 1G2NE12E7X
Ok here goes this one came in customer stated the temp sensor is jumping around checked out charging/starting sytem for loose connection or bad battery,found bad battery replaced battery problem still happening it only happens when the car is in D also the low...
2005 Pontiac Vibe 1.8L No Start, Stall, MIL Lamp on VIN: 5Y2SL638X5
Hi all, This car was towed in with a start and then stall symptom. I duplicated it once. It started and ran for 15 to 20 seconds and stalled. Tried several times at different times of the day after that and never would start again. Cranks okay. The check eng l...
1992 Saturn SL1 1.9L Poor Idle Quality VIN: 1G8ZG5490N
2000 Saturn LS1 2.2L suspension strut mount VIN: 1G8JU52F8Y
Hello to all. Thoughts needed here on this one folks. The car came in with a left front strut mount bad. We replaced both front struts and mounts (Napa parts)at 144,800 miles. Seems Napa now uses Moog suspension parts as well. All was well for about a week and...
2001 Saturn L300 3.0L code VIN: 1G8JW52R71
Hey Amigos, on start, after clearing code, this beast sets a p1780 code. All info. I have says this code is commanded by TCM because it see's something wrong(TCM request mil). Tcm has not set a code seperately after 25 miles of driving, trans shifts fine & eve...
2002 Saturn L300 3.0L Surge, MIL Lamp on VIN: 1G8JW54R92
Car has surge at low idle 5%throttle,monitor scan tool data found egr at 96% and zero voltage.Recheck flow chart,jumpered C@D pins of egr connector monitor voltage on scan tool zero volts.Check with dvom back probed at pcm,.657 volts.Disconnected pcm re checke... Trouble codes: P0405

Fixes & Summaries for GM
Fix/Summary Answers
1996 Buick Park Avenue 3.8L excess cranking VIN: 1G4CW53L3S
This extended crank is of 5-7 seconds, usually starts just with just a bump of 2-3. Many good responces, mostly for loss of fuel psi due to regulator leak, could not verify this currently. Other responces for electrical, relays, filter, sensors, ign switch, ec...
1995 Cadillac catera 3.0L No Start VIN: NO VIN
i called customer and she was eager to go to autozone for more info.i told her that my scanner did not show me any codes but she is eager to R&R computer cause the internet told her so.i had an idea that crank sensor or fuel pump were possibilities because of...
1991 Chevrolet Camaro Z28 5.0L No Start VIN: 1G1FP23F6M
I knew I would get a lot of replies on this because it should be such a simple thing to figure out and with a little help, it was. Most of the replies were very helpful: was distributor installed correctly - yes. VATS system working properly - yes...
1997 Chevrolet Astro 4.3L No Start, HARD STARTING VIN: 1GBEL19W5V
Thanks for all the help guys. The fix was the fuel pressure regulator and injection Spider Assembly. Sorry it took so long the post the fix I havenít seen the customer since the vehicle left the shop until yesterday. Thanks again Mike
1999 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEK19TXX
I appreciate everyones input on this one but I have a fix that I cant really explain. I blocked off the egr & drove it for 2 days with nothing other than a egr code. I replaced the EGR valve & drove it for 3 more days with no light. Customer hasnt called or be... Trouble codes: P0430 (bank 2 cat. eff.).
1999 Chevrolet Express 1500 5.0L Hesitation, Surge, Cuts out VIN: 1GCFG15M3X
Tested the vss circuit and it checked out to the pcm,but coming out of the pcm to the cluster was not even close.replaced pcm and everything works great.Thankyou for all the replies,all of your help was much appreciated.
2000 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 1GCEK19V8X
hey all,thanks for all the help. it ended up being a pin hole between the cat and s1 o2. smoke machine is a wonderful thing. thanks again alex j Trouble codes: P0137 (o2 circuit low voltage b1s2).
2001 Chevrolet Silverado 3500 6.6L Hesitation, Surge, MIL Lamp on VIN: 1GCJK33191
Just received word from the customer that vehicle is fixed. We ended up replacing that injectors and injection pump. Injection pump was the problem. I noticed after replacing the pump that the truck sounds different(quieter) and the lope is gone. I wouldn't re... Trouble codes: P0093.
2005 Chevrolet Malibu 2.2L Starting VIN: 1G1ND52F25
Most replies suggest a bad ignition switch(tumbler) and reprogramming is having the key on for about 15 minutes, Since vehicle is still running after I reprogram it, customer declines further repair.
2006 Chevrolet Suburban 1500 5.3L service stability VIN: 1GNFK16Z66
it ended up being a defective steering wheel angle sensor very suprised being the part came from the dealer well another one done anyway thanking all the members for the ideas and help
2000 GMC K3500 Sierra SL 6.5L head gasket VIN: 1GTHK33F0Y
Most people who replied on this one said they had success using JB weld or liquid steel onto the pitted area. We used liquid steel smoothed everything out, replaced with Fel-Pro gaskets & new bolts. So far everything is holding up. Thanks
2006 GMC Sierra 3500 SLT 6.6L MIL Lamp on VIN: 1GDJK39D96
Thanks to all who responded. Could not duplicate complaint like always. Customer took truck, said will be back when it gets worse. Sorry that I couldn't provide any useful info on repair Trouble codes: P0087 (Fuel rail pressure to low).
1999 Oldsmobile Alero GL 3.4L no 2-3rd shift VIN: 1G3NF12E9X
Well the heater was plugged and flushing it took care of the heat . Also flushed the rest of the cooling system and found cork like material come out of the return lines to the expansion tank. Also did raise the front of the car to purge air out of the cylinde...
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