Running Hot

Tiny
PROJECT3
  • MEMBER
  • CHEVROLET BLAZER
98 blazer 98,000 4wd 4.6 vortech.

I've replaced the water pump and thermostat but am still running very hot. The fan is spinning fine and new coolant in it. I feel the radiator hoses and have no pressure in them. The radiator looks fine no dents or dings in it. Is there something I can be missing here. There are no leaks. Any help would be so greatly appreciated. Thanks!
Do you
have the same problem?
Yes
No
Friday, November 16th, 2007 AT 12:39 AM

3 Replies

Tiny
RASMATAZ
  • MEMBER
Radiator could be clogged, Rad. Cap, and air lock. Any white smoke coming out of the tail pipe?

Try bleeding it see below

Always bleed air from cooling system after replacing coolant. Set heater for maximum heat. Remove radiator cap. Loosen drain plug and remove drain bolt (if equipped) from engine block. Drain coolant reservoir. Fill coolant reservoir to MAX mark with 50/50 water-coolant mixture. Loosen bleed bolt and fill radiator up to base of filler neck. Close bleed bolt when coolant flows out without bubbles. Tighten bleed bolt. With radiator cap removed, start and operate engine to normal operating temperature. Add coolant if necessary and check for leaks.
Was this
answer
helpful?
Yes
No
Friday, November 16th, 2007 AT 1:02 AM
Tiny
PROJECT3
  • MEMBER
No white smoke at all. Where would the bleed bolt be? I looked around thermostat as I figured it would be somewhere near the top?
Was this
answer
helpful?
Yes
No
Friday, November 16th, 2007 AT 7:36 AM
Tiny
RASMATAZ
  • MEMBER
If there's no bleed bolt keep going. Keep filling it, till it no longer can take the coolant and up to operating temperature.
Was this
answer
helpful?
Yes
No
Friday, November 16th, 2007 AT 12:01 PM

Please login or register to post a reply.

Recommended Guides