Pressure in cooling system very high

220,000 MILES • 5.2L • V8 • 4WD • AUTOMATIC
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RAZORCOBB2000
  • MEMBER
  • 5 POSTS
Removed thermostat no oil in water no water or steam out tail pipe. Pressure in cooling system very high so high it is pushing it by top water.
Sep 1, 2019 at 10:06 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon.

You have compression in the cooling system from a failed head gasket. You can still have a failed head gasket without steam and mixing of fluids.

https://www.2carpros.com/articles/head-gasket-blown-test

Roy
Sep 2, 2019 at 3:43 AM
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