Pontiac When starting new posts, please specify YEAR, MAKE, MODEL, ENGINE type, and whatever modifications you have made.

2001 Montanna

Thread Tools
 
Search this Thread
 
Old May 4, 2010 | 04:41 PM
  #1  
Tom_Sawyer_Man's Avatar
Thread Starter
Senior Member
Posts like a Turbo
 
Joined: Dec 2009
Posts: 348
Likes: 0
From: Kitchener On.
Tom_Sawyer_Man is on a distinguished road
Default 2001 Montanna

Any one have any tips for removing door panels to fix window that tips forward when cloosing from below half way down

Engine sometimes races when AC has been on for a short while. Only when AC is on
Reply
Old May 4, 2010 | 09:19 PM
  #2  
Danthurs's Avatar
Retired Senior Admin

Expert Gearhead
 
Joined: May 2006
Posts: 29,661
Likes: 40
From: Sheboygan Wisconsin
Danthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to all
Default

You will need tools like this. I got these from Sears.
Name:  PA140007.jpg
Views: 69
Size:  149.0 KB

Check the AC clutch. The PCM will up the idle speed when the AC is on because of the added load. If the clutch is slipping that load is lost and the RPM can jump.
Reply
Old May 8, 2010 | 09:05 AM
  #3  
Tom_Sawyer_Man's Avatar
Thread Starter
Senior Member
Posts like a Turbo
 
Joined: Dec 2009
Posts: 348
Likes: 0
From: Kitchener On.
Tom_Sawyer_Man is on a distinguished road
Default

I didn't quite give you all the facts on AC issue. When engine speed has increased (usually around 2500 RPM at idle about 40- 50 kmh 18-25 mph) it will not slow down until shutting engine off. Even turning off AC does not slow it down (I'm not sure if compressor stops at this point I will check that next chance I get). this condition only starts when AC is on.
Reply
Old May 8, 2010 | 09:11 AM
  #4  
Danthurs's Avatar
Retired Senior Admin

Expert Gearhead
 
Joined: May 2006
Posts: 29,661
Likes: 40
From: Sheboygan Wisconsin
Danthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to allDanthurs is a name known to all
Default

A few things you can check for the incorrect idle are dirty throttle body, the TPS, the PCV valve, and the EGR valve.
Reply
Old May 8, 2010 | 09:22 AM
  #5  
Tom_Sawyer_Man's Avatar
Thread Starter
Senior Member
Posts like a Turbo
 
Joined: Dec 2009
Posts: 348
Likes: 0
From: Kitchener On.
Tom_Sawyer_Man is on a distinguished road
Default

I will check those out it'* probably time for a little tlc inthat area anyways(60,000 mi)
definitely have to rule out the obvious. I will do that first then let you know if any changes in behaviour.
Reply
Old May 10, 2010 | 11:33 AM
  #6  
jwfirebird's Avatar
Senior Member
True Car Nut
 
Joined: Dec 2009
Posts: 9,616
Likes: 594
From: western,ny state
jwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond reputejwfirebird has a reputation beyond repute
Default

i believe there is a Idle Air Control valve that has a cone shaped seat that gets carboned-up. that needs to be cleaned when your looking at the TB.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Boombata
Performance, Brainstorming & Tuning
10
Oct 10, 2005 03:55 PM
DrSuess
General GM Chat
14
Feb 18, 2003 11:26 AM
jasonapr78
2000-2005
1
Feb 8, 2003 02:20 PM
Azwed
Lounge
3
Jan 3, 2003 03:38 AM




All times are GMT -4. The time now is 09:39 AM.