PLEASE HELP!heat not blowing hot at all

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Oct 30, 2010 | 07:10 AM

#16

freegdr

CF Veteran

Joined: Mar 2010

Posts: 47,923

Likes: 38

From: Broward County Fl.

Year: 1989 xj sport 2dr

Model: Cherokee

Engine: 12 hole bosch Injectors

could have a holr in it did you ever check and see if the heater control valve is working by the blower motor looks like this

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Oct 30, 2010 | 09:44 AM

#17

buysellny

Member

Joined: Oct 2010

Posts: 204

Likes: 1

From: NY

Year: 2001

Model: Cherokee

Engine: 4.0L

Mod deleted

Last edited by OverlandZJ; Oct 30, 2010 at 10:48 PM. Reason: Language

Oct 30, 2010 | 10:28 PM

#18

rideordie66

Senior Member

Joined: Aug 2010

Posts: 850

Likes: 4

From: Arcata California

Year: 1996

Model: Cherokee

Engine: 4.0

Start your engine and turn the heater on. if the heater valve dosent suck in the one moving part on it, check the vacume line to the bottle for a hole or leek. if you have no leek then replace the heater valve. My vacume bottle had a pea size hole in it that I patched with duckt tape. if you replace the heater valve then make sure that the hoses are in the right place.
and if you just want to get it to work, you can zip tie the little arm on the heater valve so your heat is on all the time.

Last edited by rideordie66; Oct 30, 2010 at 10:31 PM. Reason: more info

Oct 30, 2010 | 10:37 PM

#19

Gee oh Dee

CF Veteran

Joined: Sep 2010

Posts: 21,168

Likes: 5

From: Milwaukee, WI

Year: 1987

Engine: Check

What?

Last edited by OverlandZJ; Oct 30, 2010 at 10:49 PM.

Oct 31, 2010 | 01:23 AM

#20

rideordie66

Senior Member

Joined: Aug 2010

Posts: 850

Likes: 4

From: Arcata California

Year: 1996

Model: Cherokee

Engine: 4.0

this will get sucked in when you turn your heater on. If not, try to find a leek in the vacume line or the vacume bottle. that is the heater valve and it cost about 12 bucks. you can zip tie this part to get the heater to work if you have a vacume leek.

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