Volvo S70 Made from 1998 to 2000, this sporty model replaced the 850 sedan and instantly became a hit.

Overheating, Here's a Goody for you

  #1  
Old 08-15-2016, 05:53 PM
Junior Member
Thread Starter
Join Date: Jul 2009
Posts: 8
Default Overheating, Here's a Goody for you

I have a 1998 S70 T5, 180K everything has been great. Noticed an antifreeze smell in the car after about 5 minutes driving. I installed a new heater core.

Next day car is over heating. I had just put plain water in thinking to see if the heater core leaks. I thought that was the problem. I change it out with 50/50 antifreeze. So I am going home and after about 5 miles, all the sudden the temp gauge is going hotter. later I find a leak in the coolant line to the turbo. On the road again and the car is over heating about 3 miles, but no indication on the temp gauge. Now I am thinking thermostat. I change the thermos stat.
Test ride I don't go three miles and I see the temp going up, I get back to the shop just before it gets to the red.

No leaks, no milkshake in my oil, all the spark plugs look the same, no leaks from water pump. no bubbles in the reservoir until overheating, I went to look at a water pump at the auto store, seems to be a positive drive to me, a no fail pump? so ..... that's my goody....
 

Last edited by resamglt; 08-15-2016 at 05:55 PM. Reason: more info
  #2  
Old 08-15-2016, 07:23 PM
Senior Member
Join Date: Oct 2010
Posts: 4,997
Default

How do you know it is overheating if the gauge isn't saying so?

Is the fan coming on?
Has the cap been tested?
 
  #3  
Old 08-15-2016, 11:29 PM
Junior Member
Thread Starter
Join Date: Jul 2009
Posts: 8
Default Overheating, Here's a Goody for you

First time, heard boiling noise under the hood. Second time, started running poorly, oil light flickering at idle, then antifreeze under car. Most of these time I was aware of problem and raised the hood, boiling noises coming from reservoir. the times I let it cool off reservoir was very low on coolant, like half a gallon.
 
  #4  
Old 08-16-2016, 04:58 AM
Senior Member
Join Date: Oct 2010
Posts: 4,997
Default

...and my other two questions?
 
  #5  
Old 08-16-2016, 07:54 AM
Psaboic's Avatar
Super Moderator
Join Date: Jan 2006
Location: SW, WA
Posts: 2,216
Default

I'm thinking either bad coolant tank cap, or a big air bubble in the system that needs to be burped out.......leaning toward the cap though.
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
nicolas414
Off Topic
65
04-20-2016 09:19 AM
Tony Rosa
Volvo XC90
1
11-11-2015 09:08 PM
JimZB
New Members Area
3
03-10-2014 05:58 PM
ibified
Volvo 850
8
09-10-2010 10:47 AM
boostedbrick
Nitrous, Super Chargers, & Turbos
35
07-30-2005 10:05 PM


Thread Tools
Search this Thread
Quick Reply: Overheating, Here's a Goody for you


Advertising
Featured Sponsors
Vendor Directory

Contact Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

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.