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Old 02-28-2010, 07:07 PM
RangerChad RangerChad is offline
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Posts: 38
Default Blown head gasket repair

The #6 cylinder on my 4.0L blew a head gasket. This week and weekend, I fixed it.

Rule #1: take many many digital pics of the engine, including details of the wiring harnasses, power steering hose placements, heater hoses, etc.

I took the heads to a machine shop - they determined the heads were warped and milled them flush as well as pressure tested the combustion chambers to check for leaks/cracks. Luckily no cracks.

Since half the motor got torn-down to get to the head gaskets, at 98k miles, I figured it would be a good time to replace any worn or nearly worn parts along the way. The list of those parts:
  • thermostat
  • power steering pump and hoses
  • radiator and heater hoses
  • belt tensioner/pulley and idler pulley and belt
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File Type: jpg IMG_7181A.jpg (98.9 KB, 45 views)
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