Jeep YJ Forum Second generation of the classic Jeep - manufactured from 1987 till 1995. Known by their square headlights.

89 YJ 4.2L Head Gasket

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Old 10-12-2009, 04:15 PM
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Default 89 YJ 4.2L Head Gasket

So here's the deal, never had a jeep before but I'm thinking of grabbing one for a winter vehicle. I'm looking at a 1989 YJ with the 4.2 and an auto tranny. The bad is possibly the rear body mounts, the drivers seat belt mount and a blown head gasket. The body stuff is easy enough to fix but what should I do about the head ? It does come with another 89 parts jeep that supposedly has a good motor with a standard tranny. Should I just change the head gasket and hope for the best or swap the motor right out ? If so, would I have all the parts I need between the two ?

TIA
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Old 10-12-2009, 05:04 PM
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Default Re: 89 YJ 4.2L Head Gasket

id say yes that u have all the parts you need
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Old 10-14-2009, 09:12 PM
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Default Re: 89 YJ 4.2L Head Gasket

did you check if indeed the head gasket is blown ?

does it leak coolant outside the block , does it blow air bubbles in the rad?

if indeed it`s blown , it is easy to fix ....

they wree more prone to have the intake bolts turn loose ...
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