2000-2005 Discuss your 2000-2005 Bonneville SE, SLE, and SSEi Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

The notorious LIM...

Old Jan 2, 2008 | 01:20 PM
  #11  
jbmark33's Avatar
Thread Starter
Senior Member
Posts like a Northstar
 
Joined: Apr 2007
Posts: 567
Likes: 0
From: Edinboro, PA
jbmark33 is on a distinguished road
Default

I idle up to 3,000 rpms... is this normal after having taken all that apart.. i had to take off the throttle body positioning sensor... is there a special way to twist and put on or does it just go right on?

So I guess is it my TB Positioning sensor or is it normal?

It'* done this twice:
It goes straight to 2,000 then after about 8 seconds it gently increases towards 3,000 (or higher) but I shut it off around 3,000 rpms

I also have a small antifreeze leak between the LIM and my thermostat housing and between the thermostat housing and upper radiator hose. The below gasket (LIM gasket) which i replaced remains leak free. I cleaned off the surface of the Thermostat housing because it had gunk build up. Maybe that'* why?
Reply
Old Jan 2, 2008 | 01:35 PM
  #12  
samueljackson's Avatar
Senior Member
Certified GM nut
 
Joined: Oct 2006
Posts: 2,028
Likes: 1
From: burb of detroit. 2 miles north of 8 mile Rd.
samueljackson is on a distinguished road
Default

idle is wayyy too high. you need to adjust the throttle position sensor, im pretty sure thats what u mean by tb pos sens.

do you have a scan tool with live data?
Reply
Old Jan 2, 2008 | 01:37 PM
  #13  
vital49's Avatar
Junior Member
 
Joined: Mar 2003
Posts: 1
Likes: 5
From: Purgatory
vital49 is on a distinguished road
Default

Your TPS is not adjustable. Do you have a check engine light on?

If not, start looking for vacuum leaks.
Reply
Old Jan 2, 2008 | 01:40 PM
  #14  
jbmark33's Avatar
Thread Starter
Senior Member
Posts like a Northstar
 
Joined: Apr 2007
Posts: 567
Likes: 0
From: Edinboro, PA
jbmark33 is on a distinguished road
Default

yeah my SES came on, i called my buddy with his OBDII code reader...
Reply
Old Jan 2, 2008 | 01:41 PM
  #15  
samueljackson's Avatar
Senior Member
Certified GM nut
 
Joined: Oct 2006
Posts: 2,028
Likes: 1
From: burb of detroit. 2 miles north of 8 mile Rd.
samueljackson is on a distinguished road
Default

Originally Posted by vital49
Your TPS is not adjustable. Do you have a check engine light on?

If not, start looking for vacuum leaks.
sorry for the bad info, i thought they were still adjustable till the ser 3.
Reply
Old Jan 2, 2008 | 03:27 PM
  #16  
jbmark33's Avatar
Thread Starter
Senior Member
Posts like a Northstar
 
Joined: Apr 2007
Posts: 567
Likes: 0
From: Edinboro, PA
jbmark33 is on a distinguished road
Default

Well it ended up being the Trottle body positioning sensor. You could either put it on and turn left or right. I turned it right instead of left to line up the screw holes. The spring inside the TB pos. sensor was actually holding the TB open a little, hence high idle.

Other than that, I fixed the leak from the rad. hose to the T-stat housing by scraping off all the gunk from the previous dex-cool.

Still leaking from the LIM to the T-stat housing. So, I am going to go pick up that little rubber gasket.
Reply
Old Jan 3, 2008 | 10:42 PM
  #17  
jbmark33's Avatar
Thread Starter
Senior Member
Posts like a Northstar
 
Joined: Apr 2007
Posts: 567
Likes: 0
From: Edinboro, PA
jbmark33 is on a distinguished road
Default

Got all the leaks fixed, here'* some pictures...

Let me know how my engine looks..

My L36
Name:  DSC00264.jpg
Views: 46
Size:  95.7 KB

My LIM.. dirty
Name:  DSC00280.jpg
Views: 38
Size:  127.6 KB

Fuel rail trick... yes that'* rope attached to my open hood
Name:  DSC00281.jpg
Views: 40
Size:  100.1 KB

Old Nasty LIM Gasket with gunk in it?
Name:  DSC00286.jpg
Views: 43
Size:  126.7 KB

Closer up on gasket and gunk:
Name:  DSC00289.jpg
Views: 41
Size:  98.6 KB

Gunk
Name:  DSC00290.jpg
Views: 45
Size:  61.1 KB

Why I am getting my oil changed tomorrow
Name:  DSC00292.jpg
Views: 38
Size:  33.8 KB

New LIM Gasket Installed
Name:  DSC00296.jpg
Views: 42
Size:  112.5 KB

Looks MUCH better..
Name:  DSC00297.jpg
Views: 42
Size:  84.9 KB

Feel free to tell me what you think of anything.
Reply
Old Jan 4, 2008 | 07:41 AM
  #18  
vital49's Avatar
Junior Member
 
Joined: Mar 2003
Posts: 1
Likes: 5
From: Purgatory
vital49 is on a distinguished road
Default



Those coolant passages were NASTY. Dang.

Did you replace the coolant by-pass elbow? You should, if not. Also, why didn't you use the aluminum frame LIM gaskets?
Reply
Old Jan 4, 2008 | 12:21 PM
  #19  
jbmark33's Avatar
Thread Starter
Senior Member
Posts like a Northstar
 
Joined: Apr 2007
Posts: 567
Likes: 0
From: Edinboro, PA
jbmark33 is on a distinguished road
Default

Yeah I cleaned all the passages out real good, that'* what all those chunks were.

I remember seeing Bill Boost use the orange one... I didn't think anything of it until I put it in...ohhh yeah aren't the aluminum ones like white/grayish looking?
Reply
Old Jan 4, 2008 | 12:29 PM
  #20  
harofreak00's Avatar
BANNED
 
Joined: Mar 2004
Posts: 0
Likes: 5
From: Purgatory
harofreak00 is on a distinguished road
Default

did you dab any RTV in the corners of the gaskets? doesnt look like it.

the aluminum framed gaskets would have been a wiser choice, but those plastic ones are better than what you took out.

there is a lot of coolant sitting around everywhere, did you get that cleaned up before you got it back together? changed your oil yet?
Reply

Thread Tools
Search this Thread

All times are GMT -4. The time now is 09:29 PM.