thermostat housing hoses issue

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Dec 14, 2020 | 05:07 PM

Gene Delong

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Junior Member

Joined: Jul 2020

Posts: 34

Likes: 1

Model: Cherokee (XJ)

thermostat housing hoses issue

Hi all. I have a 1990 xj. Just replaced the water pump, serpentine belt, and thermostat housing. My question is...how do I remove the thermostat hoses so I can put new ones on? And what size are they? Thanks in advance. Please respond to my email because I'll probably not find this page again. genedelong443@gmail.com... Thanks again.

Dec 14, 2020 | 06:37 PM

Spencer_P

CF Veteran

Joined: Sep 2017

Posts: 1,560

Likes: 307

From: MO

Year: 1996

Model: Cherokee (XJ)

Engine: 4.0

On my 96 it's two 3 ft hoses, one 3/4 and one 5/8, straight to the heater core. Not really sure how it's set up on your 90.

Dec 14, 2020 | 06:42 PM

Gene Delong

Thread Starter

Junior Member

Joined: Jul 2020

Posts: 34

Likes: 1

Model: Cherokee (XJ)

thats what i'm dealing with in my 90

Dec 14, 2020 | 08:29 PM

BlueRidgeMark

CF Veteran

Joined: May 2012

Posts: 7,965

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From: Lost in the wilds of Virginia

Year: 1998 Classic (I'll get it running soon....) and 02 Grand

Model: Cherokee (XJ)

Engine: 4.0

96 and earlier should have the Heater Control Valve (HCV). Rip that stupid thing out. Just grab 4 feet of 5/8 and 4 feet of 3/4 heater hose, and cut to fit. There is a vacuum line going to the HCV. Disconnect and plug it, then tie it up out of the way. (Pro tip: Black cable ties last far longer than white.)

Done.

If you want to be fancy, buy the factory hoses for the 97 or 98 model year. They are nicely formed to fit.