What is this Coolant hoses? Help
03-06-2011 | 05:18 PM
#2
CF Veteran
Joined: Sep 2010
Posts: 1,992
Likes: 0
From: West Bloomfield,MI
Year: 1996
Model: Cherokee
Engine: 4.0L, CAI, Edelbrock Breather, Optima Yellowtop
That's your Heater Control Valve.
The small grey hose is your vacuum line, and then it has both inlet and return hoses for your coolant. The inlet and return hoses run through the firewall into your heater core.... Just look at the hoses and you'll see what is labled inlet and return, there are arrows on them.
I had to replace my heater control valve a couple of months ago, they're a common issue with the XJs. I bought a new one for $17 at autozone.
The small grey hose is your vacuum line, and then it has both inlet and return hoses for your coolant. The inlet and return hoses run through the firewall into your heater core.... Just look at the hoses and you'll see what is labled inlet and return, there are arrows on them.
I had to replace my heater control valve a couple of months ago, they're a common issue with the XJs. I bought a new one for $17 at autozone.
03-07-2011 | 08:47 AM
#5
Seasoned Member
Joined: Nov 2010
Posts: 370
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From: Englewood
Year: 2001
Model: Cherokee
Engine: 4.0L (242*CID) I6 MPI "Power Tech"
Originally Posted by 98CherokeeLimit4x4
Alright man thanks. Got one last night and works good now.
03-07-2011 | 08:51 AM
#6
CF Veteran
Joined: May 2009
Posts: 1,844
Likes: 4
From: Glen Burnie, MD
Year: 1994
Model: Cherokee
Engine: 4.0 H.O. K&N, Borla headers, custom down pipe, magnaflow hi-flo cat, flowmaster to turn down tip
i would suggest changing all the attaching hoses when you change that valve. all the gunk and crap that built up in them from the heater not being on will eventually break off and clog your radiator. and you can get universal heater hose for like 5 feet for 2 bucks or something
03-07-2011 | 08:57 AM
#7
Seasoned Member
Joined: Nov 2010
Posts: 370
Likes: 0
From: Englewood
Year: 2001
Model: Cherokee
Engine: 4.0L (242*CID) I6 MPI "Power Tech"
Originally Posted by trans_am7935
i would suggest changing all the attaching hoses when you change that valve. all the gunk and crap that built up in them from the heater not being on will eventually break off and clog your radiator. and you can get universal heater hose for like 5 feet for 2 bucks or something
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