Running hot

1999 CHEVROLET SUBURBAN
257,898 MILES • 2WD • AUTOMATIC
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REDLADY1504
  • MEMBER
  • 2 POSTS
running hot don't know why.
Mar 11, 2019 at 12:42 PM
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.
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 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
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