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[v8hotrod]

Just fitted new rad to my 2001 grand 4.0 but now can't get heat through  and being the cold a*r*ed git that I am find it a tad annoying..............Help pleeeeeeeeeeease before they drop off !!!!!!!!!!!!!

[tim_aka_tim]

Sounds like the blend doors. Nothing to do with the rad, but a very common failure on WJs.
The doors that blend the hot and cold air get stuck on cold. It's a very expensive, dashboard
out fix if you do it the proper way, but there is another way to hack them. Look on the bay for
"grand cherokee blend door".

[v8hotrod]

Cheers Tim, do they go just like that as it worked ok before rad probs ??

[tim_aka_tim]

Would seem quite a co-incidence wouldn't it. However, it's the most likely problem. Many have
fixed it on here, so wait a while and you'll get some more thoughts.

[Mike Pavelin]

You can now get a repair kit from Mansfield 4x4, about a hundred quid with instructiond I think.

[Bubba]

could it not simply be an air lock to the heater ?

[Lornaben]

 

First thing that crossed my mind considerin the rad replacement thats been done ...