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Jon Hoover Posted on Nov 02, 2010

2001 bonneville no overdrive. - 2001 Pontiac Bonneville

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  • Posted on Oct 13, 2012
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My 2001 bonniville does not go into overdrive it just started today so i was wondering if it was a shift silanoid was going out

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  • Posted on Nov 02, 2010
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Check fuses under dash, if not fuses hit transmission with pressure washer,

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Related Questions:

0helpful
1answer

My 2002 Pontiac Bonneville shifts from 1st to overdrive and shudders violently.

that is never good
and needs service big time or damage will progress worse.
or learn to scan the PCM using and OBD2 scan tool.
USA answers me,no place else.
overdrive 5th gear or is TCC locking up in 1st.
both are dead to rights wrong. latter is a huge danger.
overloading the engine or trans is never a good thing.
learn to scan the car first.
does REVERSE and Low work.
PRNDL.?
just DRIVE fails??
is is this just OD lamp flashing telling you tranny is failing.
scans will show VSS errors big time, or more. DTC errors
0helpful
1answer

Missing under load

Clogged fuel injectors maybe, there is a fluid for that. Could also be the overdrive gear in the trans. The overdrive gear is not hardened like the rest of the gears and can be faulty
0helpful
1answer

Pontiac bonneville transmission problems

I had the same problem. My check engine light came on and the code said that the problem was with the overdrive sensor/filter clogged.You need to change the transmission filter.. But.... remember, if you put new fluid in the viscosity is different and your transmission is used to a (thicker) fluid. The new fluid will be thinner and the transmission will act kinda funny for the first couple of months. A lot of mechanics I've talked to has told me such. The tans works by pressures valves opening and closing and its gotten used to a thick fluid. change the filter and fluid and all should be okay.
0helpful
1answer

1998 Grand Am transmission swap into a 2001 Bonneville?

I looked both of them up at Autozone's site and they are showing different,not change able.
0helpful
1answer

1994 pontiac bonneville Transmission Modulator does not shift into overdrive

The modulator doesn't control the overdrive shift point. The clutches in the torque converter may be worn out or there may be an electrical problem inside the transmission.
0helpful
1answer

My 2001 pontiac bonniville does not shift into overdrive was wondering if it was a shift silinoid

Most likely but do not dismiss the clutches in the torque converter. They will wear out.
0helpful
1answer

While driving our 1993 Pontiac Bonneville SE we lost our overdrive and the RPMS went above 3...What does this mean

Transmission problem. Sounds like the overdrive is gone.. Could be a easy fix or could be big fix.

Get the transmission checked
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