Coolant Leak - 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 11-26-2008, 02:05 PM   #1
Junior Member
Thread Starter
 
Join Date: Nov 2008
Location: La Crosse, WI
Posts: 3
Thanks: 0
Thanked 0 Times in 0 Posts
jrobert77 is on a distinguished road
Unhappy Coolant Leak

I have a 2000 Bonneville and about a week ago it started leaking coolant. You can see the coolant drip from underneath (you can stand in front of the car and look kinda behind the passenger tire and see it dripping to the ground) the car. It is dripping somewhere on the passenger side of the engine but I cannot tell where. It also is a pretty steady drip, it will almost empty the entire coolant tank in about 8 hours. I'm no mechanic and I'm going to take it in but I would like to have an idea on what it might be and a cost. If anyone can help I would greatly appreciate it. Thanx.
jrobert77 is offline   Reply With Quote
Old 11-26-2008, 03:02 PM   #2
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

If the coolant is coming from the upper part of teh engine, it may be a LIM gasket leak. If it'* coming from further down and in front it could be the lower radiator hose. more towards teh back of teh car it could be a heater hose or water pump. Can you look around to see where it'* coming from. If you wern't on the other side of the state I would be happy to help you fixt it.
Danthurs is offline   Reply With Quote
Old 11-26-2008, 03:37 PM   #3
Junior Member
Thread Starter
 
Join Date: Nov 2008
Location: La Crosse, WI
Posts: 3
Thanks: 0
Thanked 0 Times in 0 Posts
jrobert77 is on a distinguished road
Default

It looks to me like it is coming from the back of the engine and closer to the bottom of the engine. Also just now when I went out to check where it was coming from I started my car and it now has a very rough idle almost like it'* vibrating and my SES light came on. Could anything to do with the coolant leak cause this (I just had my plugs, plug wires and battery all replaced within the last 6 months)?
jrobert77 is offline   Reply With Quote
Old 11-26-2008, 04:03 PM   #4
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

Sounds like a LIM gasket to me. You may have coolant in the oil. Check the oil to see if it'* foamy or milky. That'* something that will need to be fixed. If you have a garage, tools, and soem knowlage you can do it. If not you will have to have a shop do it. See if you can find coolant up near where you intake manifold contacts the head.
Danthurs is offline   Reply With Quote
Old 11-26-2008, 04:30 PM   #5
Junior Member
Thread Starter
 
Join Date: Nov 2008
Location: La Crosse, WI
Posts: 3
Thanks: 0
Thanked 0 Times in 0 Posts
jrobert77 is on a distinguished road
Default

I could be really wrong on the exact spot it is dripping from, but I checked the oil and there isn't any coolant in there and the oil looks normal. I'm not to good with cars so I'm not really sure where to look when you say, see if you can find coolant up near where your intake manifold contacts to the head. So I'm not sure if there is coolant there or not. I really don't have much knowledge about things like this but say it was the LIM gasket do you have any idea what I would be looking at for a price to get something like that fixed?
jrobert77 is offline   Reply With Quote
Old 11-26-2008, 04:50 PM   #6
Member
Posts like a V-Tak
 
Join Date: Jan 2006
Posts: 59
Thanks: 0
Thanked 0 Times in 0 Posts
zr1 nsx ssei is on a distinguished road
Default

More than likely, the coolant elbows are leaking. These are plastic 90 degree elbows with O-rings that direct coolant from the intake to the block on the passenger side of the engine. Search this site and you'll find some information on it as it is a very common pain point on these cars.
zr1 nsx ssei is offline   Reply With Quote
Old 11-26-2008, 05:57 PM   #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

Yes, didn't think of that. you should be able to see the heater hoses on the back passanger side. Follow those hoses to the engine. They go to the water pump. Check if it'* leaking there. I will have to see if I have any pictures of this area. If not I''ll try to take one tomorrow.
Danthurs is offline   Reply With Quote
Old 11-26-2008, 06:06 PM   #8
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

This is th ebest I could find for now. See the stainless wire wrapped hose? That'* the heater hose. Find that and follow it to the water pump. Check for leaks around the elbows.

Name:  P9060008.jpg
Views: 1
Size:  85.3 KB
Danthurs is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
93 LeSabre Front Driver Side Water Leak and back passenger leak Kimberly Buick 37 05-04-2014 03:40 PM
Minor Coolant Leak..drip..drip Jim W 1987-1991 28 05-16-2003 07:59 PM
How to check for Intake coolant Leak Daron97SSE 1992-1999 3 05-02-2003 10:35 AM
Coolant leak at MAF/ intake jebstuart 1992-1999 2 01-21-2003 05:49 PM
coolant leak d151avid 1992-1999 6 10-27-2002 11:39 PM


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 09:44 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.