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Username Post: 2013 Equinox 3.6 carbon build up        (Topic#354018)
bolake 
Poster
Posts: 27

Age: 72
Loc: Northern MN
Reg: 09-05-17
11-22-18 06:42 AM - Post#2752098    

Have 2013 Equinox 3.6 V6. 52000 miles well
maintained, oil/filter change every 3000 miles. Run perfect one minute wouldn't start next. Took to GM dealership code showed timing chain, when dis-assembled time chain and guides all OK, valves were stuck open from carbon build up. Service manager said never seen anything like it , rest of internal motor was very clean. Has anyone heard of anything like this or what would cause carbon build up with only 52000 miles?

If your not the lead dog the view never changes


 




Shepherd 
Frequent Contributor
Posts: 1848

Loc: Lake George, NY
Reg: 11-11-15
11-22-18 02:17 PM - Post#2752134    
    In response to bolake

This seems to be a common problem if the engine is direct injection, but not at such low mileage, which GM knows all about, or bad valve seals. Check this thread. https://www.equinoxforum.net/10-general-tech-secti ...



Edited by Shepherd on 11-22-18 07:43 PM. Reason for edit: No reason given.

 
bolake 
Poster
Posts: 27

Age: 72
Loc: Northern MN
Reg: 09-05-17
11-23-18 01:46 PM - Post#2752208    
    In response to Shepherd

Interesting, thanks for the information

If your not the lead dog the view never changes


 




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