Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

Coolant leak - heater hoses

Old Nov 10, 2017 | 08:25 PM
  #1  
bhoodjalator's Avatar
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Exclamation Coolant leak - heater hoses

Hi all

I've recently bought an old 1994 850 and in the few weeks since buying it a few problems have cropped up. The most pressing though is a serious coolant leak has started to occur. From what I can tell, there is some leakage coming from out the top of the coolant overflow tank (the lid is a little cracked) but I have also noticed another leak coming from where the heater hoses feed into the heater core. I don't think it is the hoses themselves, it seems more to be the connection point - I've attached a photo to illustrate where its coming from. You can see the coolant residue around it.
Anyone got any advice for how to diagnose exactly where it's coming from? Also I may be able to take it to a mechanic during the week, but I may need a quick fix until then so I'm not hemorrhaging coolant every time I need to go somewhere. Could I just smother it in duct tape until I can get someone to do something about it? Or is this a problem I can fix easily enough myself?
 
Attached Thumbnails Coolant leak - heater hoses-img_1020.jpg   Coolant leak - heater hoses-img_1022.jpg  
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Old Nov 11, 2017 | 02:14 PM
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mt6127's Avatar
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the hoses have o rings going into the heater core. you can replace the hoses and the heater core (they tend to leak). I have a heater core (new) with o rings for 850s posted on the classifieds if interested.
 
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Old Nov 12, 2017 | 08:56 AM
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firebirdparts's Avatar
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And that plastic is 23 years old! Be careful. If you break anything there, you can still get new parts, but it'll be more work of course.
 
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