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Categories: TSB's
Ticking GM V8 lifters and DTC

Customers may complain about a ticking noise, engine misfire and/or SES light. This may be the result of an AFM (Active Fuel Management for ...

http://www.autoserviceprofessional.com/article/91652/ticking-gm-v8-lifters-and-dtc
Categories: TSB's
Coolant crossover leak

Engine coolant leaks detected on some GM vehicles may be the result of leaking gaskets between the coolant crossover pipe and the front of the right...

http://www.autoserviceprofessional.com/article/91742/coolant-crossover-leak
Categories: TSB's
GM oil consumption and blue smoke

On rare occasions, customers may complain of excessive engine oil consumption and/or blue exhaust smoke. This applies to a number of GM vehicles.

http://www.autoserviceprofessional.com/article/91874/gm-oil-consumption-and-blue-smoke
Categories: Tech Stuff
Changing a camshaft in the GM LS engine

Servicing a camshaft in any overhead-valve engine requires a degree of disassembly, but in the case of GM’s LS-series of engines, the task is a bit...

http://www.autoserviceprofessional.com/article/93526/changing-a-camshaft-in-the-gm-ls-engine
Categories: TSB's
Funky park assist

Some owners of 2009 Buick Enclave; Cadillac Escalade, Escalade ESV, Escalade EXT; Chevy Avalanche, Silverado, Suburban, Tahoe, Traverse; GMC Acadia,...

http://www.autoserviceprofessional.com/article/92832/funky-park-assist
Categories: TSB's
LS engine block porosity causes oil leak

Concern: Engine oil leak on GM 5.3, 5.7, 6.0, 6.2 and 7.0L engines (Vortec Gen III or Gen IV V8, aluminum block). Upon initial diagnosis, it may be...

http://www.autoserviceprofessional.com/article/91728/ls-engine-block-porosity-causes-oil-leak
Categories: TSB's
GM corroded wheel bead seat

A persistent, slow air leak that causes a tire to slowly go flat and resulting illumination of the TPMS warning light may be caused by corrosion on the...

http://www.autoserviceprofessional.com/article/92227/gm-corroded-wheel-bead-seat
Categories: TSB's
Leaky GM transmission seal

Some customers may comment on a red fluid leak from the transmission or transfer case area. Technicians may find that the fluid is leaking from the...

http://www.autoserviceprofessional.com/article/92554/leaky-gm-transmission-seal
Categories: TSB's
Reluctor wheel movement

If a GM product equipped with a toothed crankshaft timing reluctor wheel experiences DTC P0016, P0017, P0018, P0019, P0008 and/or P0009, the reluctor...

http://www.autoserviceprofessional.com/article/92407/reluctor-wheel-movement
Categories: TSB's
GM key cutting

Due to the uniqueness of the ignition/door lock key (2011 Buick Regal, 2010-2011  Buick LaCrosse, 2010-2011 Chevy Camaro and Equinox, 2011 Chevy...

http://www.autoserviceprofessional.com/article/92661/gm-key-cutting


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