Pressure in cooling system very high

1994 JEEP GRAND CHEROKEE LAREDO
220,000 MILES • 5.2L • V8 • 4WD • AUTOMATIC
Avatar
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 2, 2019 at 5:06 AM
Advertisement
Avatar
ASEMASTER6371
  • ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
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 10:43 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.