tranny prob

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25-Feb-2006, 03:29 PM

cam5

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Join Date: Mar 2005

Location: misissauga

Posts: 41

tranny prob

i have a dseries motor.when i shift to third gear at high rpm's i get a grinding noise,but normal driving i don't get it.anyone know whats going on?

25-Feb-2006, 03:51 PM

gooseshit

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Join Date: Jan 2003

Location: Mississauga,Ontario

Posts: 1,386

synchro are going.......time for a swap!!!!!

25-Feb-2006, 04:31 PM

DumbasSi

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Join Date: Apr 2002

Location: Hamilton

Posts: 6,647

Try switching your tranny fluid to GM Syncromesh or don't shift so fast.

25-Feb-2006, 07:25 PM

CaptHowdy

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Join Date: Mar 2003

Location: mississauga

Posts: 70

where can I get some of that GM stuff?

25-Feb-2006, 08:56 PM

DumbasSi

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Join Date: Apr 2002

Location: Hamilton

Posts: 6,647

GM dealer, but you might have to order it because most dealers have never heard of it. Also, make sure you get the correct kind that says "friction modified" on the label. I've posted the part # before so just do a quick search. It's about $14 a bottle.