Keep engine rebuild
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Newbie
Joined: Apr 2018
Posts: 4
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From: Northern California
Model: Cherokee(XJ)
Engine: 4.0 HO
Keep engine rebuild
So my 96’s 4.0 melted its piston rings and is calling for a rebuild. The head is a remanfactured after the overheating from the PO. besides the pistons and rings, what would I need to check? And what is a good kit
CF Veteran
Joined: May 2012
Posts: 7,965
Likes: 964
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
If you are puling it do do the rings, do it all. There's too much labor in pulling the engine to go halfway on this.
Have the block and the new head inspected by a qualified machine shop. Replace all the bearings. Replace the oil pump. Inspect the timing chain and gears; replace as needed. Replace the lifters. Replace all seals & gaskets.
Have the block and the new head inspected by a qualified machine shop. Replace all the bearings. Replace the oil pump. Inspect the timing chain and gears; replace as needed. Replace the lifters. Replace all seals & gaskets.
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