UIM Question - 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 02-19-2008, 03:00 PM   #1
Member
Posts like a V-Tak
Thread Starter
 
Join Date: Jan 2008
Location: Toledo, Ohio
Posts: 70
Thanks: 0
Thanked 0 Times in 0 Posts
hvacguy is on a distinguished road
Default UIM Question

Well once again my UIM gasket needs changed. I got the car from my dad as a hand me down. He had a garage change the upper and lowers in 04, but the jackass at the garage didnt change the UIM, so now once again it is leaking coolant behind the throttle body. Luckily for me I noticed that it was slowly leaking coolant, and there is no coolant in my oil its just leaking out of the engine/ not in.
The car is a 95 se with 114,000 miles on it. so i figure it is worth it to change the uim and gaskets, I have already ordered the part. My question is; since i am only changing uim and uim gasket, how muck coolant do i need to drain and how do I get it out of the UIM before i start. Im not changing the lim gasket because it only has 25,000 miles on it and it is not leaking. By the way my car came off the line with the green coolant in it and thats all i've ever used. is there any way to clean the injectors while they are out??
Any and all advice will be greatly appreciated. Thanks in advance
hvacguy is offline   Reply With Quote
Old 02-19-2008, 03:15 PM   #2
Senior Member
True Car Nut
 
Join Date: Mar 2004
Location: Ames, Iowa
Posts: 3,066
Thanks: 0
Thanked 1 Time in 1 Post
bill buttermore is on a distinguished road
Default Re: UIM Question

Quote:
Originally Posted by hvacguy
Well once again my UIM gasket needs changed. I got the car from my dad as a hand me down. He had a garage change the upper and lowers in 04, but the jackass at the garage didnt change the UIM, so now once again it is leaking coolant behind the throttle body. Luckily for me I noticed that it was slowly leaking coolant, and there is no coolant in my oil its just leaking out of the engine/ not in.
The car is a 95 se with 114,000 miles on it. so i figure it is worth it to change the uim and gaskets, I have already ordered the part. My question is; since i am only changing uim and uim gasket, how muck coolant do i need to drain and how do I get it out of the UIM before i start. Im not changing the lim gasket because it only has 25,000 miles on it and it is not leaking. By the way my car came off the line with the green coolant in it and thats all i've ever used. is there any way to clean the injectors while they are out??
Any and all advice will be greatly appreciated. Thanks in advance
You should be able to do it by just draining the radiator. I use a small diameter vinyl tube snaked down to the bottom of the radiator side tank and siphon coolant into clean gallon jugs. The siphon usually breaks at right about one gallon, and everything stays so clean that the coolant can be re-used. This is all I do for changing thermostats and it works very nicely. You may want to be careful how you re-fill to avoid trapping air in the engine. Here is the re-fill method from Techinfo: http://www.bonnevilleclub.com/forum/...=article&k=100
bill buttermore is offline   Reply With Quote
Old 02-19-2008, 03:20 PM   #3
Member
Posts like a V-Tak
Thread Starter
 
Join Date: Jan 2008
Location: Toledo, Ohio
Posts: 70
Thanks: 0
Thanked 0 Times in 0 Posts
hvacguy is on a distinguished road
Default

Thanks Bill, I read that in the book, but they mentioned taking the drain plugs out of the engine. This seemed unescessary since im not taking the lower off. Thanks for clarifying, and also for such a quick response
hvacguy is offline   Reply With Quote
Old 02-19-2008, 03:36 PM   #4
Member
Posts like a V-Tak
Thread Starter
 
Join Date: Jan 2008
Location: Toledo, Ohio
Posts: 70
Thanks: 0
Thanked 0 Times in 0 Posts
hvacguy is on a distinguished road
Default Refill question

I was reading the tech info, and had one question. Is the drilled thermostat supposed to be reused?
hvacguy is offline   Reply With Quote
Old 02-19-2008, 05:19 PM   #5
Senior Member
Posts like a Camaro
 
Join Date: Nov 2007
Location: MN
Posts: 1,172
Thanks: 0
Thanked 0 Times in 0 Posts
Bonnevillan is on a distinguished road
Default

the thermostat can be re-used but if you take it off, i would replace the gasket.
Bonnevillan is offline   Reply With Quote
Old 02-19-2008, 05:45 PM   #6
Junior Member
Posts like a Ricer Type-R
 
Join Date: Aug 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
willwren is on a distinguished road
Default

Rubber seal AND gasket.
willwren is offline   Reply With Quote
Old 02-19-2008, 07:12 PM   #7
Member
Posts like a V-Tak
Thread Starter
 
Join Date: Jan 2008
Location: Toledo, Ohio
Posts: 70
Thanks: 0
Thanked 0 Times in 0 Posts
hvacguy is on a distinguished road
Default

I'll be sure to change both the o ring and gasket for my thermostat. Thanks for the advice guys. does anybody know the part number for the coolant elbow that goes into the tensioner assembly?
hvacguy is offline   Reply With Quote
Old 02-19-2008, 10:26 PM   #8
Senior Member
True Car Nut
 
Join Date: Mar 2004
Location: Ames, Iowa
Posts: 3,066
Thanks: 0
Thanked 1 Time in 1 Post
bill buttermore is on a distinguished road
Default

Quote:
Originally Posted by hvacguy
I'll be sure to change both the o ring and gasket for my thermostat. Thanks for the advice guys. does anybody know the part number for the coolant elbow that goes into the tensioner assembly?
Just get one from the "Help" product line from most any auto parts store. The package sells for about $6 with two elbows (you will only need one on your '95, the other elbow is for the water pump fitting on newer tensioner assemblies). Each new elbow will have new o-rings.
bill buttermore is offline   Reply With Quote
Old 02-19-2008, 11:49 PM   #9
Member
Posts like a V-Tak
Thread Starter
 
Join Date: Jan 2008
Location: Toledo, Ohio
Posts: 70
Thanks: 0
Thanked 0 Times in 0 Posts
hvacguy is on a distinguished road
Default

Alright Bill, thanks again for clarifying. I'll be sure to update with my results.
hvacguy is offline   Reply With Quote
Old 02-20-2008, 12:51 AM   #10
Senior Member
Posts like a Northstar
 
Join Date: Mar 2007
Location: Minneapolis, MN
Posts: 509
Thanks: 0
Thanked 0 Times in 0 Posts
Barry is on a distinguished road
Default

You don't replace the elbow if you are doing just the UIM. If the elbow is leaking and you are not removing the LIM, you will have to remove the tensioner.
Barry is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Damn UIM, where do i go from here? *ONE NEW QUESTION* alec_b Oldsmobile 49 06-04-2009 10:04 AM
UIM and LIM replaced now leaking coolant out of UIM gasket Paul1981 2000-2005 10 12-21-2007 11:05 PM
Quick UIM Question! NCCamper 1992-1999 12 03-08-2006 03:47 PM
UIM ID and Thermostat question. radchad3 1992-1999 3 12-30-2005 07:19 PM
UIM Removal with pics and a question or two nick s 1992-1999 21 11-06-2005 10:55 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 07:22 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.