Oil in the coolant tank - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Oldsmobile For model specific mechanical problems for all vehicles under the Oldsmobile badge.

Reply
 
 
 
LinkBack Thread Tools Search this Thread
Old 07-24-2016, 01:05 AM   #1
Junior Member
Thread Starter
 
Join Date: Jan 2009
Posts: 5
Thanks: 0
Thanked 0 Times in 0 Posts
dodad is on a distinguished road
Default Oil in the coolant tank

Was changing a hose when I noticed oil in the coolant tank. There doesn't seem to be coolant in the engine, no milky oil or white smoke from the exhaust. Bad intake or head gaskets or both? 2001 intrigue with the 3.5L. 140,000 miles and runs well.
dodad is offline   Reply With Quote
Old 07-24-2016, 12:47 PM   #2
Senior Member


Certified GM nut
 
Tech II's Avatar
 
Join Date: Feb 2014
Location: Worcester, Ma.
Posts: 1,661
Thanked 672 Times in 512 Posts
Tech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond reputeTech II has a reputation beyond repute
Default

If you look at a lot of recovery tanks, especially on older cars, the recovery tanks look like crap....unless you have owned the car from day one, and seen that tank clean for years , and then suddenly get crappy, then you know something is amiss.....may not be oil....

If a used car, the previous history is unknown....maybe a coolant repair(i.e., water pump) was made and sealing pellets were used.....they will leave a slimy residue in the tank......or it there was a leak, dexcool crud on the underside of the radiator cap, can make it'* way into the reservoir......

It use to be 3years/100K on coolant, now it'* 5years/150K.....more often than not, you get a coolant flush, some shops just drain the radiator......some shops, in addition, will remove the plugs from the block......most shops will use a machine and pump out the coolant, and pump in the new.......in many cases, the fluid in the reservoir is never touched...never even drained........I use to remove the reservoir, dump it, and and using a baby bottle brush, I could bend it and get the residue out of the reservoir, to remove all the crud before refilling.......since I retired, shops don't like me when I bring the car in for service.......

Last edited by Tech II; 07-24-2016 at 12:49 PM.
Tech II is offline   Reply With Quote
The Following User Says Thank You to Tech II For This Useful Post:
garagerog (07-24-2016)
Old 07-24-2016, 11:07 PM   #3
Junior Member
Thread Starter
 
Join Date: Jan 2009
Posts: 5
Thanks: 0
Thanked 0 Times in 0 Posts
dodad is on a distinguished road
Default

Ok, thanks for your advice! I will keep a closer eye on things under the hood in regard to the cooling system. Thanks again!
dodad is offline   Reply With Quote
Old 07-24-2016, 11:30 PM   #4
Senior Member
Posts like a Turbo
 
Join Date: Oct 2011
Location: SC
Posts: 224
Thanked 47 Times in 40 Posts
garagerog has a spectacular aura aboutgaragerog has a spectacular aura aboutgaragerog has a spectacular aura about
Default

I as well have used the baby bottle brush trick on coolant recovery tanks, works like a charm!
garagerog is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
2004 gxp surge tank/coolant system rallton Bonneville GXP/ Northstar Powered Cars 3 01-12-2011 11:29 PM
Coolant loss from overflow tank Snagglefoot 1992-1999 3 03-22-2010 02:51 PM
Coolant Recovery Tank azu General GM Chat 5 03-03-2008 03:39 PM
Coolant Recovery Tank azu General GM Chat 6 02-03-2008 12:17 PM
Coolant overfow tank how attached? artk 1992-1999 2 06-06-2004 04:36 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 On
Pingbacks are On
Refbacks are On



All times are GMT -4. The time now is 02:00 AM.