freeze plug help?
#1
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Year: 1998
Model: Cherokee
Engine: 4.0 L6
freeze plug help?
should I use any sealant? i don't have the luxury to pull the block, or rather i have the convenience of leaving it in haha
#2
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Year: 1993
Model: Grand Cherokee
Engine: 4.0L Laredo
I'd use permatex and maybe upgrade to brass plugs. They conform easier than steel, and no rust. Be sure to wire brush or sand the opening smooth.
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Year: 1998
Model: Cherokee
Engine: 4.0L
If you need to replace any freeze plugs, while you have them out get a coat hanger & feel around inside the water jacket.
If you can pull out any rusty metal shavings, then try to get out as much as you can. Sometimes the machining chips are left inside there, & cause the freeze plugs to rust through. those chips can also cause the engine to run much hotter, since they block the flow of coolant.
If you can pull out any rusty metal shavings, then try to get out as much as you can. Sometimes the machining chips are left inside there, & cause the freeze plugs to rust through. those chips can also cause the engine to run much hotter, since they block the flow of coolant.
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