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Montana Vibration?
2 messages, Last post on Aug 02, 2008 at 2:07 PM
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What is this discussion about? Pontiac Montana, Pontiac Montana SV6, Van
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#1 of 2 Montana Vibration? by ruthl
Aug 01, 2008 (2:29 pm)
HII wondered if anyone could tell me what this is.
We just had intake gasket changed. Got the van
home and it has started to vibrate really bad
but it isn't all the time. You can drive forty or fifty miles
with nothing, or else it can happen. Feels like it's falling
apart. Any suggestions as to what this can be ?
#2 of 2 1999 Pontaic Montana Idle Vibration by critter2008
Aug 02, 2008 (2:07 pm)
We'ra having a bad idle vibration. The vehicle drives fine off idle - no skips or misses. Idle rpm seems to be a little high at 850 - 900 in Drive. Watching the motor run shows no vibration and can't 'feel' anything weird. Mounts look tight. Maybe a PCV valve, Oxy sensor, or damper? No engine warning light. Any ideas?- All Messages Displayed
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