2001 Bonneville tranny problems??? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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.

Reply
 
 
 
Thread Tools Search this Thread
Old 11-25-2009, 12:19 PM   #11
Senior Member
Posts like a Northstar
 
Join Date: Oct 2009
Location: Boston Mass
Posts: 684
Thanks: 0
Thanked 0 Times in 0 Posts
sgp358 is on a distinguished road
Default

So to do the kit that you describe, you only have to drop the bottom pan and put spacers the accumulators?

My thoughts about the solenoid are if you have a P1811 and installing a new solenoid corrects the P1811, I still feel that the solenoid has a damaged seat. So if you are dropping the side cover, change the solenoid. But if you do not have to drop the side cover to install your kit, I agree with your logic.
sgp358 is offline   Reply With Quote
Old 11-25-2009, 12:40 PM   #12
Retired Senior Admin

Expert Gearhead
 
Danthurs's Avatar
 
Join Date: May 2006
Location: Sheboygan Wisconsin
Posts: 29,661
Thanks: 0
Thanked 16 Times in 13 Posts
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

To do a shift kit you only drop the bottom pan. Here'* a write up. https://www.gmforum.com/t278802/ My thought is it'* more cleaning up the pistons in the shift modulator then it is the spacers.
Danthurs is offline   Reply With Quote
Old 11-25-2009, 01:30 PM   #13
Senior Member
Posts like a Northstar
 
Join Date: Oct 2009
Location: Boston Mass
Posts: 684
Thanks: 0
Thanked 0 Times in 0 Posts
sgp358 is on a distinguished road
Default

So you are basically just disabling the accumulators? Or is it just limiting the travel?
sgp358 is offline   Reply With Quote
Old 11-25-2009, 01:34 PM   #14
Retired Senior Admin

Expert Gearhead
 
Danthurs's Avatar
 
Join Date: May 2006
Location: Sheboygan Wisconsin
Posts: 29,661
Thanks: 0
Thanked 16 Times in 13 Posts
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

Limiting the travel.
Danthurs is offline   Reply With Quote
Old 11-25-2009, 02:08 PM   #15
Senior Member
Posts like a Northstar
 
Join Date: Oct 2009
Location: Boston Mass
Posts: 684
Thanks: 0
Thanked 0 Times in 0 Posts
sgp358 is on a distinguished road
Default

That'* great for a shift quality issue, but most of the time that I get a P1811, the car will shudder violently on a hard acceleration off the line. If you put a pressure gauge on the line pressure port, you will see a massive fluctuation when the car is shuddering. So I don't see that limiting the accumulator travel will solve that problem.
sgp358 is offline   Reply With Quote
Old 11-25-2009, 02:29 PM   #16
Retired Senior Admin

Expert Gearhead
 
Danthurs's Avatar
 
Join Date: May 2006
Location: Sheboygan Wisconsin
Posts: 29,661
Thanks: 0
Thanked 16 Times in 13 Posts
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

I went back and looked, he didn't actually say he has a P1811 code. He said it'* likely a pressure solenoid. It is possible that is the problem, but I would hate to have him try to remove the side pan, or worse yet, have a shop do it and that'* not the problem. A shift kit is a cheep easy fix. If that does not correct the problem, then he may need to move on to the pressure switch. Also, as I said earlier, just cleaning the shift modulator has shown to do wonders. I've pulled several and found a very jerky movement. I clean them up and they move much more smoothly. We can keep the pressure switch on the table but think it'* a good idea to rule out the easy stuff first.
Danthurs is offline   Reply With Quote
Old 11-25-2009, 02:56 PM   #17
Senior Member
Posts like a Northstar
 
Join Date: Oct 2009
Location: Boston Mass
Posts: 684
Thanks: 0
Thanked 0 Times in 0 Posts
sgp358 is on a distinguished road
Default

I totally agree with your logic.

BTW, it'* the accumulator body, not a modulator.
sgp358 is offline   Reply With Quote
Old 11-25-2009, 03:18 PM   #18
Retired Senior Admin

Expert Gearhead
 
Danthurs's Avatar
 
Join Date: May 2006
Location: Sheboygan Wisconsin
Posts: 29,661
Thanks: 0
Thanked 16 Times in 13 Posts
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

I'll take your word for that. Shift modulator is what it was called in the instructions for a shift kit.
Danthurs is offline   Reply With Quote
Old 11-25-2009, 04:54 PM   #19
Senior Member
Posts like a Northstar
 
Join Date: Oct 2009
Location: Boston Mass
Posts: 684
Thanks: 0
Thanked 0 Times in 0 Posts
sgp358 is on a distinguished road
Default

They are sort of correct Who is the kit manufacturer?
sgp358 is offline   Reply With Quote
Old 11-25-2009, 05:07 PM   #20
Retired Senior Admin

Expert Gearhead
 
Danthurs's Avatar
 
Join Date: May 2006
Location: Sheboygan Wisconsin
Posts: 29,661
Thanks: 0
Thanked 16 Times in 13 Posts
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

The I referenced was intense racing
Danthurs is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Problems, Problems, Problems... swartlkk 2000-2005 2 11-04-2005 08:57 PM
2001 bonneville ssei problems cezarleo 2000-2005 2 10-19-2005 07:16 PM
2001 bonneville 2001 grand prix engine Boombata Performance, Brainstorming & Tuning 10 10-10-2005 04:55 PM
problems, problems, problems big_boss2010 1992-1999 15 04-25-2004 09:05 PM
Please read. Tranny problems with a newer tranny? bonnie94ssei General GM Chat 7 11-03-2003 02:44 AM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 08:56 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.