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Odd prob in '88 C1500


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slammed87d21
New User

Mar 17, 2008, 5:49 PM

Post #1 of 4 (1772 views)
post icon Odd prob in '88 C1500 Sign In

I have a 1988 Chevrolet Silverado 4x2 with a 350. I honestly don't know what the model of the transmission is. I just bought the truck about a week ago from an older couple who took very good care of it. Anyway, a day or two ago, it started feeling a little bit jerky in overdrive. On my way home from work today, it felt like it was trying to downshift(?) or something repeatedly. Does anyone have any idea whats wrong? The engine is a new 350 v, and the transmission has about 70,000 miles on it.


Double J
Veteran / Moderator
Double J profile image

Mar 18, 2008, 2:34 PM

Post #2 of 4 (1763 views)
Re: Odd prob in '88 C1500 Sign In

At what speed did it occur?

Was it at around 45 mph or so?

Just a guess,if it was at or around that speed, sounds like it could be just trying to go into /out of overdrive...could be normal operation if thats the case....

Let us know


slammed87d21
New User

Mar 18, 2008, 7:39 PM

Post #3 of 4 (1760 views)
Re: Odd prob in '88 C1500 Sign In

yeah, its around 45. it does it alot which bothers me. my 93 didnt do it


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Mar 19, 2008, 12:49 AM

Post #4 of 4 (1756 views)
Re: Odd prob in '88 C1500 Sign In

As said it may be normal for this one so use the non OD drive selection for the times it does that in this truck,

T







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