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Professional Automotive Repair Technical Discussions for September 3, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2003 Cadillac Seville SLS 4.6L memory mirror VIN: 1G6KS54Y83 I have this cad with the seat and mirror memory system. Everything works but the drivers mirror. The drivers mirror cant find its correct position and keeps moving to the stops. Passenger side works great. Seats move appropriately and all other functions work.... |
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| 1984 Chevrolet Corvette 5.7L Excessive Emissions, VIN: GERTYYUUII I own an 84 corvette with a new small block standard 300 hp in the vehicle; We have used Edlebrock 1406 carb and chrome valve covers. THE PROBLEM; We are having a PCV complaint, where if you install a pcv valve in the valve cover, crankcase gases are building ... |
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| 1986 Chevrolet Corvette 5.7L Poor Idle Quality, Stall, Misfire VIN: 1G1YY0787G car came in on hook with no start condition, checked spark, (ok) checked fuel pressure, (ok) checked valve timing (ok) customer comes in and tells me he tried installing a {surge performance chip} he hooked it up to the maf sensor instead of the iat sensor. ne... |
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| 1993 Chevrolet Astro 4.3L Poor Idle Quality, Surge, Misfire, MIL Lamp on I built this old jeep and used the engine out of a wrecked 1993 Astro van. I used a Painless wiring harness and the ecm, prom, and mem-cal chip that they recommended. The problem that I am having is as soon as it drops into closed loop, it starts to run very l... Trouble codes: 44 (Lean Exhaust) |
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| 1996 Chevrolet Camaro 3.8L Hesitation, Cuts out, Misfire VIN: 2G1FP22V9T car came in about a month ago for tune up customers request replace wires and plugs fuel filter car came back 2 days after tune up found cylinder 5 misfire i look over the last technicians work found that cylinder 5 spark plug was damage replace it ran great c... Trouble codes: P0300 |
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| 1998 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52M4W Hi Guys, I am in need of some help. This malibu came in with a code p0446. We found the vent solenoid to be faulty, so we put a new one in. The code came right back, so we followed the gm trouble tree again, and thought maybe the canister was bad. We took th... Trouble codes: P0446 |
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| 1999 Chevrolet Astro 4.3L No Start, Cuts out VIN: 1GNDM19W8X customer complaint is that starts and stall, engine always started to us with no problem, one day left over night and it did the problem, started and stalled a fue times and then it will not start any more. security light stays on when not startin. checked for... Trouble codes: P1626 (loss of serial communication with VTD), P1631 (theft deterrent system pasword incorrect) |
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| 2002 Chevrolet Silverado 2500 6.0L brakes VIN: 1GCHK24U42 We just replaced the hydralic brake booster and the master cylinder on this truck because they were leaking a litte. Now the pedal feels low and hard. I have bench bled the master cylinder as well as bleed it on the vehicle a couple times. I also bled each ind... |
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| 2002 Chevrolet Suburban 1500 LT 5.3L A/C Operation VIN: 1GNFK16Z72 Hi all, I have a 2002 Suburban that has an a/c problem. The a/c works good for about 15 minutes then the compressor stops and will not turn back on when a/c button is pressed. Vehicle has automatic temp. control and rear a/c. When the system is inop and the bu... |
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| 2004 Chevrolet Impala 3.4L right front signal VIN: 2G1WF52E24 After repairing the left front broken wire, went for a test drive and know I have a c1226 code for right front signal being erratic. I figured I had another wire issue. Was good so installed a bearing/sensor assemble, still same code. I then graphed the wheel ... |
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| 1999 GMC Sierra 1500 SL 4.3L No Start VIN: 1GTEC14W4X Hello all, vehicle towed in, no start... Check fuel pressure, spark, put a cap & rotor on it anyway just because of past problems with these... Check plugs, they're dry. If I pour fuel down it's throat it runs. On the solus pro I see no Inj. pulse width.. Once... |
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| 2004 GMC Sierra 1500 SLE 5.3L ac temp VIN: 2GTEK19T34 The vehicle intermittantly blows hot air through the vents when the a/c is on and set on auto at 72 degrees. There are complaints of this happening regardless of outside temperature. We ran scanner tests including custom data stream tests. Nothing was found. P... |
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| 2004 GMC Yukon XL 1500 Denali 6.0L oil pressure` VIN: IGKFK66U44 this one has been in our shop multiple times. it all started with a hard start/extended crank time concern. currently it will start in the bay as often as you would like, after any driving it will exhibit a no start condition. we have at the request of the cus... |
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| 2004 GMC Envoy XUV SLT 4.2L air compressor VIN: 1GKET12S64 Hey Everyone!! Please help me here!! I am pulling my hair out on this one just because I can't find any info on this system that is helpfull!!! OK on this XUV the customer came in the other day stating the battery was dead. They also said they thought the rear... |
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| 1998 Pontiac Grand Prix GT 3.8L Input housing VIN: 1G2WP52K6W I am rebuilding a 4t65e transmission. This is a personal car that I picked up cheap, but its a nice car and I want to learn more about transmissions anyway. After dissassembley I found that the bearing and spacer between the input housing and the second clutch... |
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| 2003 Pontiac Grand Am SE 3.4L Poor Fuel Economy, MIL Lamp on VIN: 1GNNF52E63 a brief thanks to all. first i have ran into this problem dont know where to start. customer came in one day about needing a tune up . just plugs ..request by customer. replaced plugs cust. takes car home a week later car gets tow in, fuel pump went out replac... Trouble codes: P0420 |
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| 2003 Pontiac Aztek 3.4L Unknown VIN: 3G7DB03E83 Hi Everyone and thanks for taking the time to read this.I have a real problem child here. This vehicle has a wobble in the driveline on acceleration that is really bad. I put it on the hoist and had someone run up to speed and it looks like the motor mounts ar... |
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| 1998 Saturn SL2 1.9L MIL Lamp on VIN: 1G8ZK5270W VEHICLE CAME IN W/PO172 BANK 1 RICH CONDITION, SPK PLUG GAP IS .040in. Fuel Pressure regulaotr and oxygen sensor has been changed at another shop. At idle vac is 19in and 2500 rpm vac is 21in. so valve timing is ok. Fuel pressure is 47 psi,i pinched the hose t... Trouble codes: P0172 (bank 1 rich condition) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Chevrolet Camaro 3.4L no ground signal to compressor above 30mph. VIN: 2G1FP22S8S while all sensor parameters were normal during A\C operation the evap temp sensor reading was 46 degrees... seemed a lil warmer than what it should have been. Replaced Evaporator Temp Sensor and all is well, new sensor shows 38 degrees. thanks to all for ... |
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| 1997 Chevrolet Lumina 3.1L Hesitation, Stall VIN: 2G1WL52M2V I had many great ideas, like a loose baffle in the tank, or possible burnt wires, but the vehicle has not shown up, and they have not returned our calls. I am going to close this and will update it later if the vehicle shows up. Thanks for all the great ideas... |
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| 2001 Chevrolet Impala 3.4L No Start VIN: 2G1WF55E01 Well its fixed . As many suggested I believed it was the ignition switch I removed it and took it apart and I saw burned spots on the contacts I thought for sure this would fix it but the next day same problem wouldnt start same exact problem . So going with m... |
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| 1986 GMC K1500 5.0L No Start VIN: 1GTEK14H7G Sorry for not responding sooner but this is one of those that I had to force myself to go work on and just get it done. I installed a Borg Worner Ignition Modual this time and added another ground to the coil(it already had one). So far the truck is still runn... |
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| 2002 GMC Envoy SLE 4.2L MIL Lamp on VIN: 1GKDT13S82 Thanks to everyone that replied to my request! I have replaced the fan clutch and reflash the computer, and so far, so good. It's really a bloody mess (literally) to replace. Thanks again! Trouble codes: P0495 (Cooling Fan Speed High). |
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| 2005 GMC Sierra 1500 SLE 5.3L cyl heads VIN: 1GTEC19T45 Hey All,Truck is fixed still don't what cause hydro carbon to go into cooling system.Thermostat was fine and as I stated no external coolant leaks.Upon tear down did find an area between cyl #3 and #5 where the headgasket did seem to seal.The truck only had 38... |
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| 1993 Oldsmobile 88 Royale 3.8L Poor Idle Quality, Hesitation, Surge VIN: 1G3HN53L3P After doing some father testing doing a engine cranking test , lets go back because i would like to touch on something that i found very important about test equipment and that is regular service found out that i was getting high kv's on rear bank 2,4,6 and ju... |
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| 2002 Saturn SL1 1.9L engine VIN: 1G8ZH52832 Thanks for all the replies... I removed the cylinder head and didnt find any issue with the head gasket, so i got a new cylinder head and put it back together and its working perfectly... Thanks to Dean from New york for giving me the new saying " As sure as t... |
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| 2004 Saturn Ion-2 2.2L Lock cylinder VIN: 1G8AJ52F94 Thanks for all the suggestions. I ended up drilling it out. Didn't take too terribly long to do. Thanks again for the help. |
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