1999 bonneville ssei transmission problem - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Reply
 
 
 
Thread Tools Search this Thread
Old 07-22-2010, 12:20 AM   #1
Junior Member
Thread Starter
 
Join Date: Jul 2010
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
marcmm is on a distinguished road
Default 1999 bonneville ssei transmission problem

Hello.I just found this forum and hope somebody might be able to give me an informed opinion of a problem I am having with my 1999 bonneville ssei with 182,000 miles.The transmission is slipping completely, however if the car is turned off, and started again immediatley, it drives just fine for a couple of blocks then slips again, could this be an electrical or control problem, or is the tranny most likely just shot. thanks for any help. Marc
marcmm is offline   Reply With Quote
Old 07-22-2010, 06:53 AM   #2
Senior Administrator


Certified Car Nut
 
Mike's Avatar
 
Join Date: Jul 2003
Location: Horseheads, NY
Posts: 15,641
Thanked 995 Times in 772 Posts
Mike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond reputeMike has a reputation beyond repute
Default

When was the last time the transmission was serviced?

Is the trans fluid at the correct level?

Does the transmission make any noise after it starts slipping?
Mike is offline   Reply With Quote
Old 07-22-2010, 08:00 AM   #3
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 would start with changing the fluid and filter.
Danthurs is offline   Reply With Quote
Old 07-22-2010, 08:13 AM   #4
DINOSAURUS BOOSTUS

Expert Gearhead
 
BillBoost37's Avatar
 
Join Date: Mar 2005
Location: Enfield, CT
Posts: 41,391
Thanks: 0
Thanked 0 Times in 0 Posts
BillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of light
Default

Hi Marc...
BillBoost37 is offline   Reply With Quote
Old 07-22-2010, 07:05 PM   #5
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

The trans is toast. If you change the fluid and filter, it will run for a while, but not for long.
sgp358 is offline   Reply With Quote
Old 07-23-2010, 07:38 AM   #6
DINOSAURUS BOOSTUS

Expert Gearhead
 
BillBoost37's Avatar
 
Join Date: Mar 2005
Location: Enfield, CT
Posts: 41,391
Thanks: 0
Thanked 0 Times in 0 Posts
BillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of light
Default

Quote:
Originally Posted by sgp358 View Post
The trans is toast. If you change the fluid and filter, it will run for a while, but not for long.
FWIW Steve (SGP) is a transmission rebuilder with years of experience. Sorry to say the diagnosis doesn't sound good.
BillBoost37 is offline   Reply With Quote
Old 07-23-2010, 09:51 AM   #7
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

Might be a good idea to check the line pressure. If you have good pressure, the trans is going out. If you have low pressure, it could be a simple clogged filter. However, it could also be a blown channel plate gasket. I just did a swap on a car that had one of those. It drove but slipped, sometimes it would not slip. Pull the dip stick and check the trans oil level, if it'* really high on the stick, that could be the problem.
Danthurs is offline   Reply With Quote
Old 07-23-2010, 10:46 AM   #8
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

Just remember 1 thing, filters only clog when there is trash floating around, which usually means something is coming apart.
sgp358 is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
1999 Bonneville mystery problem-HELP! jkramer0306 Pontiac 2 10-20-2010 08:13 AM
1999 Pontiac Bonneville with hard shifting transmission!! Brobbins87 1992-1999 9 10-07-2010 10:48 AM
Bonneville 1999 SSEI - Cigarette Lighter problem nabilsalama 1992-1999 3 02-28-2008 09:15 PM
1999 SSEI AC and air flow problem marionh 1992-1999 28 04-12-2007 04:55 PM
1996-1999 Pontiac Bonneville SSEi BonneBaby Performance, Brainstorming & Tuning 10 12-21-2006 11:03 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 02:46 AM.


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.