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Professional Automotive Repair Technical Discussions for October 31, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1986 Buick Skylark Custom 3.0L No Start VIN: 1G4NJ69L8G I need some help here not sure of the story on this car but i do know it does not run. It will run if you replace the ignition module but unsure of why it is going bad. The parts are from AZ. When I have a good module on the car it does not run good at all, it... |
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| 2008 Cadillac CTS 3.6L Timing chain VIN: 1G6DF577X8 Car has intermittent VERY LOUD timing chain rattle coming from Right bank (B1). I got teardown time to remove front timing cover. Removed front cover to find no broken guides or marks on timing cover from chain hitting, no tensioners fully extended, all in all... |
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| 2008 Cadillac CTS 3.6L Timing chain VIN: 1G6DF577X8 Car has intermittent VERY LOUD timing chain rattle coming from Right bank (B1). I got teardown time to remove front timing cover. Removed front cover to find no broken guides or marks on timing cover from chain hitting, no tensioners fully extended, all in all... |
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| 1996 Chevrolet S10 LS 4.3L Horn VIN: 1GCCS19X6T Thanks to everyone in advance my question is somewhat simple,how does the center shaft for steering wheel(the one that rotates)get its ground mitchell shows a blk/wht wire,have found this wire and verified good.what is going on is the power for the horn thru t... |
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| 1996 Chevrolet Blazer 4.3L Stall VIN: 1GNDT13W8T Hey group i need some directions on this one! all the data seems ok when i look at them with my scanner! but i think i miss something! cleaned the throttle body no change. Performed a wiggle test still the same.is there anything common on this s10.! i think th... |
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| 2004 Chevrolet Classic 2.2L Remote Keyless Entry Friends, when programming GM Remote keyless (RKE) entries after replacing the BCM the question comes up. Is the thingamajig internal or external, does anyone know how to tell? This came up on a 04 Classic/Malibu and I may have screwed up the BCM I tried "inter... |
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| 2006 Chevrolet Cobalt LS 2.2L Poor Idle Quality VIN: 1G1AK15F86 I seem to have no problems except with the idle. I can not get it down. It idles at 1800rpm. No vacuum leaks found internal, or external. It's a drive by wire or TAC system. I compared all readings with a new APP/throttle body, and everything matched perfectly... Trouble codes: P0106 (MAP or BARO pressure ckt. out of range.) |
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| 1999 GMC C3500 Sierra SL 6.5L Clutch, hydraulics VIN: 1GDKC34F9X Having a tough time with this clutch. Dumptruck that sits for extended periods of time. Over the last couple years it's had difficult engagement, we bleed system, & its fine for awhile. This year again bled/flushed system, back 1 week later with difficult/no e... |
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| 2003 Oldsmobile Alero GLS 3.4L Starting VIN: 1G3NF12E13 Thanks to all, car towed into shop with no start. Car cranks good. found that acbfc fuse was blowen. replaced fuse car started all day long, about twenty tries. This morning on first try to start. THe acbfc fuse blew again. At looking at the BCM there is a d... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1987 Buick LeSabre Custom 3.8L Stall VIN: 1G4HP5132H thank you ATN team and yes most of you were right on the target the ignition module was cutting off intermitently. thank you again you guys are the best team ever |
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| 2002 Chevrolet Malibu LS 3.1L Starting VIN: 1G1NE52J72 yes fix new ignion switch assy just wanted to know about bypass if that will work some cars not worth the price of switch thanks all for suport allen |
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| 2003 Chevrolet Trailblazer EXT North Face 5.3L Lbeam headlamps VIN: 1GNET16P63 Just about all said the headlamp module and a couple mentioned the fuse box unit as a whole. Turne out to be the headlamp module which is actually a solid state relay. avery deceiving name for a circuit board relay. Thanks to all! |
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| 2003 Chevrolet Impala LS 3.8L No Start VIN: 2G1WH55K83 i would like to thank everyone and their thoughts on this vehicle.we have worked on many of these vehicles with pass lock problems that were always quite obvious.we put a passlock sensor and new bcm.we do have a tech11 so i was able to program bcm.several of y... Trouble codes: B2958, B2960, B2964, B3128. |
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| 2008 GMC W3500 Forward W3S042 6.0L MIL Lamp on Thank you for all the replies. I ended up putting the downstream O2 sensor in and it cured the rich code. It was just over the threshold for Lazy territory. The vehicle did however come back with a P0430 code, so it will be getting a convertor also. Trouble codes: P0172 (Fuel Trim System Rich Bank 1), P0430 (Catalyst System Low Efficiency Bank 2). |
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