Chevy Duramax Glow Plug Problems
The concern was that the glow plug module would over cycle the glow plugs creating a scenario in which the tip of the glow plug could actually deform and or break off in the engine.
Chevy duramax glow plug problems. Chevy truck forum silverado sierra gmc truck forums. Glow plug system issues nearly half of the check engine lights that come in for the duramax pickups are for glow plugs. Glow plug replaces 9g 12639701 97364968 compatible with chevy gmc 6 6 lbz lgh lly lml lmm duramax 2006 2016 express savana 2500 3500 silverado sierra 2500 hd 2007 2016 silverado sierra 3500 hd 3 5 out of 5 stars 35. Unique glow plug problem.
Dec 11 2013 7 23pm. The glow plugs burn out over time and can be a real nuisance to remove from the aluminum heads sometimes. I have a 4 2006 sierra 2500hd sle and i got a code for a bad glow plug in number 3 cylinder. Glow plug failure was a concern on the 2006 model year lbz and lly duramax models but the problem should have been long corrected for owners of these years.
Fortunately the manufacturer acknowledged the issue and has since eliminated the risk. So i bought a new glow plug from diesel rx and installed it. As a result the tip of the plug deforms and breaks off inside the engine. Replaced glow plugs replaced module.
Not specific to one version of duramax in particular ex. I will also say. Truck will not start unless block heater is plugged in or its warn outside. Glow plugs on my chevy duramax not working.
Unique glow plug problem. Duramax 6600 6 6l v8 diesel. The crankshaft usually breaks near the number one rod journal due to a combination of excessive rpm and the large external counterweight. The problem occurs when the glow plug module over cycles the glow plug.
Lb7 lly lbz lmm or lml the problem exists across all generations.
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