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GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15181
Experience:  GM Grand Master Technician 2007. 14 years experience.
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My 2009 chevrolet 2500hd 4wd shakes few seconds in front end

Customer Question

My 2009 chevrolet 2500hd 4wd shakes for a few seconds in front end when first started if do not wait for glow plug light to go out. I have noticed it after I changed the transmission fluid and used transynd in it this time.
Submitted: 8 months ago.
Category: Chevy
Expert:  thomas hill replied 8 months ago.

hi my name is ***** ***** will be helping you today

Expert:  thomas hill replied 8 months ago.

whats happening is when you don't wait for the glow plugs to finish warming is some of the cylinders will fire good and some will fire not so good so the engine runs rough for a bit till it can have complete combustion on all cylinders

Expert:  thomas hill replied 8 months ago.

and i think its a totally different thing than you changing your trans fluid i can't think of any way that could cause the other