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Prev Professional Automotive Repair Technical Discussions for July 29, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2015 Cadillac Escalade 6.2L trailerbrake
Customer wants a trailer brake controller installed on this vehicle. Vehicle does have the factory 7 pin connector at the rear bumper. Looking for information on where to purchase/order a trailer brake controller(aftermarket?), if there is a factory harness co...
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2000 Chevrolet Tracker 2.0L Stall
Customer just brought this car. It was tow in for complain of dieing while driving. This car will run outside in the sun about 20 minute and it will die. When it about to die, it will stumble about 15 second before it die ( act like it about to run out of gas)... Trouble codes: N0NE
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2001 Chevrolet S10 4.3L engine VIN: 1GCCT19W31
lets start with thank you for any help! vehicle came in with a very loud tick noise pas side valve train? vehicle runs and drives fine. removed valve covers found #2 cylinder intake rocker tapping (dead lifter) replaced all lifters, cleaned push rods and inspe...
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2005 Chevrolet Silverado 2500 HD 6.6L Stall VIN: 1GCHK23205
I cant get it to act up on me has no codes at all anyone ever ran into a problem like this one thanks in advance
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2006 Chevrolet Trailblazer SS 6.0L Stabilitrak VIN: 1GNET13H16
This vehicle has an intermittent 'Stabilitrak' light on. It will occur pulling out slowly from a stop with the wheels straight ahead. The vehicle will barely move when the light is on. It feels like the ABS/Traction control activates. I reprogrammed the ABS/St...
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2007 Chevrolet Silverado 1500 Classic LT 4.8L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCEK19V57
Gentleman, thanks in advance for any quality input. This work truck {waste Management} came in with no power running very rich with only a code P0300. Fuel pressure is correct, o2's are switching rich/lean on the scanner. we removed o2's to check for exhaust r... Trouble codes: P0300
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2007 Chevrolet Suburban 1500 Z71 5.3L MIL Lamp on VIN: 3GNFK16367
Hi guys, need help from Chevy experts; I'm a Euro car guy so I don't work on these too often; this suburban goes intermittently into performance reduced mode (poor/ no acceleration)and throws code 2127 & p2138 related to throttle pedal position sensor. Resetti... Trouble codes: P2127, P2138
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2007 Hummer H2 6.0L Poor Idle Quality VIN: 5GRGN23U97
This vehicle came in for a bunch of suspension work and a check engine light. Retrieved P0101 MAF circuit and Cat codes for both banks. First of all the vehicle has an aftermarket K and N style filter, exhaust headers, and aftermarket exhaust from engine back ... Trouble codes: P0101, P0300 (Multiple Misfire Detected)
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1966 Pontiac GTO 6.4L tach
looking for old school tech.need some help.helping friend with his 66 gto. has point's ignition.he sent his dashboard tachometer out to be checked and fixed twice.when he bought the car tach didn't work.he sent it out to be checked and fixed.he had someone wor...
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2003 Pontiac Grand Am SE 2.2L Electronic VIN: 1G2NE52F63
Are the shift solenoids on this model an in vehicle repair. The info from MOD says pull trans. Has anyone done one of these 2.2 with 4T40-E trans. Thanks in advance
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2005 Pontiac G6 GT 3.5L output shaft seal VIN: 1G2ZH52865
This one was in to replace transmission valve cover and wiring harness and all switches accessed behind this cover, customer cracked cover when removing axle and removed cover and knocked harness and shift switches in the process, all functioned, but replaced ...
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Fixes & Summaries for GM
Fix/Summary Answers
1994 Cadillac Eldorado Touring 4.6L blower motor VIN: 1G6ET129XR
Sorry about the delay, shop owner was on holidays. Thanks for all the ideas. Here is what I did. Had 2 DMM's hooked up to the power and PWM signals, Road tested and voltage values never changed as blower quit! Next I scope tested the power feed circuit and the...
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1999 Chevrolet Silverado 1500 4.3L Mechanical VIN: 1GCEC14W9X
CONFERMEND FIX,,,THE ONES WHO WERE GUESSING CAP N ROTOR WERE CORRECT. REPLACED THE NEW PARTS FROM LOW BUDGET DISTRIBUTOR. I HAVE FINALLY CONVINCED MY BOSS CHEEP PARTS ARE JUST THAT,,,CHEEP! FORCED HIM TO BY UP GRADE PARTS FROM ANTHER DISTRIBUTOR AND THEY WORK...
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2011 Chevrolet Corvette Grand Sport 6.2L Unknown VIN: 1G1YU2DW2B
Thanks to Steve at the National Corvette Museum and to others. It was the seat switch. apparently common problem. see replies. switch felt normal, would click but once I got it out it was all apart. I was going to pull the seat thinking it was a motor but the ...
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2005 GMC Sierra 1500 SLE 5.3L Unknown VIN: 2GTEK13T45
you guys are on it again,all pointed to booster,rodney from texas was right on.when I removed the booster I found it to be full of brake fluid! the prior master cylinder had to be leaking into the booster,the customer couldn't explain if fluid was being added?...
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