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Prev Professional Automotive Repair Technical Discussions for February 4, 2015
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2005 Buick Rendezvous CXL 3.4L Red temp light on VIN: 3G5DA03E35
I got involved in this when cust requested radiator replacement.Was having temp warning light and audible warning tone intermittently. Also seemed to be going into limp mode as this was occurring. Replaced radiator as per cust req, then on test drive temp warn...
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2000 Cadillac DeVille DHS 4.6L No Start VIN: 1G6KE54Y9Y
The vehicle was towed in because car would not start, when it got here, neither of the key fobs would open or close the vehicle, like they were out of battery voltage. while in my shop the vehicle all of a sudden now cranked and started, before no crank. now t... Trouble codes: U1301
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2007 Chevrolet Express 3500 6.0L p/s pump VIN: 1GCHG35UX7
this van cleans floors at night. has a belt driven pump that runs off serpentine belt( not a/c belt) has broken p/s pump pulley twice now. belt alignment is correct using Gates aligner I think 1st pulley has oem pulley. 2nd one was a Dorman. anybody seen this?...
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2010 Chevrolet Malibu LT 2.4L Flooded on starting VIN: 1G1ZC5EB9A
Customer complaint, every morning, hard to start, need to hold throttle open to start, flooded, cloud of black smoke from tail pipe. Once that clears, runs great, no drive ability problem. Once it stands for 4 or 5 hours, same issue. Long Term Fuel Trim -20 Re... Trouble codes: P0172
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2004 Saturn Vue 3.5L Alternator VIN: 5GZCZ53424
Vehicle came in around November for Charging issues. Replaced Alternator and Battery. All was good until three weeks ago, vehicle came back with dash lights flashing and electric steering inop. Intermittently this happens, seems worse on colder mornings. Charg...
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2007 Saturn Aura XE 3.5L power steering pump VIN: 1G8ZS57N27
Replaced the power steering pump, and now have a whining noise when turning. Vacuumed the P/S system twice, and after sitting for a few hours, the whine is back. No indication of a leak, pulled steering rack boots to look for a leak and did not find one. All h...
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Fixes & Summaries for GM
Fix/Summary Answers
1998 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP52K8W
Hi members and thank you all for the help. We bought and installed a Delphi pump last week and have not heard from her since. I got a kick out of Jonathan from Californias comment about two bad ones in a row and you expect the third one to be good? I will not ...
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1998 Chevrolet C3500 Cheyenne 5.7L lack of power VIN: 1GBGC34R8W
THANKS FOR ALL THE GREAT REPLIES. EVEN AFTER CHECKING EXHAUST BACKPRESSURE AND USING BORE SCOPE TO INSPECT BOTH CATALYTIC CONVERTORS VEHICLE ENDED UP HAVING A PLUGGED CAT. REPLACED BAD CAT AND VEHICLE POWER IS NOW RESTORED.
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2004 Chevrolet Silverado 3500 6.6L No Start VIN: 1GBJC39224
I am sure I had already close this post. The general consensus is the filter head should be replaced. We did that and so far have not had a recurrence.
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2009 Hummer H3 3.7L Abs Module VIN: 5GTEN13E09
It may take days for the light to come on making extremely hard to diagnose. I talked to a GM technician at my local dealer. He suggested replacing the mechanical side of the EBCM. He also suggested riding with the customer to see if she drives with 2 feet, th...
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2003 Pontiac Grand Am SE 3.4L Security Light VIN: 1G2NF52E13
THANKS TO ALL RESPONDED TO MY REQUEST.UNFORTUNATLY,I RETURNED THE VEHICLE TO THE CUSTOMER WITH THE SECURITY LIGHT STILL ON.I TRIED ALL KINDS OF RESET METHODS,AND NOTHING WORKED.MY SCAN TOOL WAS NOT ABLE TO RETRIEVE ANY BCM CODES.I ASSURED MY CUSTOMER THAT THE ...
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2006 Pontiac Torrent 3.4L heater core VIN: 2CKDL73F96
The tie bar has to be removed. There are many bolts and nuts some down by the brake pedal assembly. It does come out with some effort. This job is real pain just to warn you guys if you get one.
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