Running hot

1999 CHEVROLET SUBURBAN
257,898 MILES • 2WD • AUTOMATIC
Avatar
REDLADY1504
  • MEMBER
  • 2 POSTS
running hot don't know why.
Mar 11, 2019 at 12:42 PM
Advertisement
Avatar
ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
Good afternoon,

Possible reasons.

1. Low coolant level.

2. Thermostat stuck closed.

3. Radiator clogged internally.

4. Radiator clogged externally.

5. Cooling fan not working.

6. Head gasket failure.

Can you give me more information?

Give me as much background as you can.

Roy
Mar 11, 2019 at 1:42 PM