Heater performing poor

1994 CHEVROLET CAPRICE
130,000 MILES
Avatar
DANIEL BATTS
  • MEMBER
  • 1 POST
Car takes long time to warm up, heater does not work until driven over twenty miles then it works poorly. just replaced the thermostat and fluid. help please.
Dec 8, 2017 at 12:22 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.
Advertisement
Avatar
STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
Hello,

Does the engine temperature gauge move to the normal range like the thermostat is working? It sounds like you may have a heater core that is plugged up. With the engine warm grasp both heater hoses and see if they are hot.

Here is a guide that can help us as well:

https://www.2carpros.com/articles/car-heater-not-working

Please run this test and get back to us.

Cheers, Ken
Dec 10, 2017 at 11:03 AM
Advertisement