Heater Core install
#1
Heater Core install
So i've noticed that over the past few weeks i've been losing coolant at a faster rate, however I do not find any of it on the ground underneath the car. I've also checked the flooring and neither side is wet. As well as checking that my oil is not clouded with coolant. The only symptoms i'venoticed is that my windshield will fog up as that car gets to normal temps if its a cooler day and I don't have the windows open, and it takes a long time for my AC to clear it up.
So my only thought is that im losing all my coolant as steam, which seems unlikely to me, but I have no other idea. So here's my 2 questions....
1. Does anyone else have any other ideas on what I should check
2. Does anyone have good, detailed instructions on how to access the heater core on a 1999 C70.
Thanks
So my only thought is that im losing all my coolant as steam, which seems unlikely to me, but I have no other idea. So here's my 2 questions....
1. Does anyone else have any other ideas on what I should check
2. Does anyone have good, detailed instructions on how to access the heater core on a 1999 C70.
Thanks
#3
RE: Heater Core install
thanks tech, So I pulled the dash and finally removed the heater core, and there is no signs of failure....No discoloration on the vanes, no white residue, no green gunk...nothing. Plus the inside of the housing was dry. So I'm guessing that it was the o-rings that failed. I went and bought new o-rings, installed, and re-filled the coolant. And before I re-built the dash, I ran the car for over 15 min and pumped the heat, and no signs of a leak.
But now im having a problem getting the car to burp the air pockets, Is there any trick to this? i've squeezed the hose running to the thermostat and its very easy to squeeze so I think there is air trapped in it. I used to be able to run it for 15 min and it would burp on its own, but now it won't. would it be really bad to drive with it like this and keep more coolant in the trunk for when it does finally burp? I put in almost 1 and half of containers of pre-diluted coolant.
But now im having a problem getting the car to burp the air pockets, Is there any trick to this? i've squeezed the hose running to the thermostat and its very easy to squeeze so I think there is air trapped in it. I used to be able to run it for 15 min and it would burp on its own, but now it won't. would it be really bad to drive with it like this and keep more coolant in the trunk for when it does finally burp? I put in almost 1 and half of containers of pre-diluted coolant.
#7
#9
#10
#11
RE: Heater Core install
So I waited almost a week, dumping in almost 2 more gallons of coolant, then noticed that my carpets in the rear wells had turned green. So after drying and pulling the dash apart again, I decided to just bite the bullet and put in a new heater core.
I just have one question. It seems that the leaky coolant was coming from the O-rings, and they were brand new. did I install themwrong? I slid them on the to pipes coming from the firewall/engine compartment. Should I have seated them in the heater core inlet/outlets instead?
I just have one question. It seems that the leaky coolant was coming from the O-rings, and they were brand new. did I install themwrong? I slid them on the to pipes coming from the firewall/engine compartment. Should I have seated them in the heater core inlet/outlets instead?
Thread
Thread Starter
Forum
Replies
Last Post
ycartf
Volvo 850
39
05-06-2013 11:19 AM