no heat

1998 GMC SAFARI
6 CYL • 2WD • AUTOMATIC
Avatar
POSTMAFAMILYMECHANIC
  • MEMBER
  • 1 POST
What are possible reasons for no heat in cabin? I flushed and filled system and replaced thermostat. Possible oil in antifreeze and/or excess water out of tail pipe.
Nov 25, 2010 at 7:46 PM
Advertisement
Avatar
GMTECH
  • ✓Experienced Mechanic
  • 537 POSTS
Did you just flush the regular way. You might want to try back flushing the heater core. Take a hose and push water through the opposite way of regular flow. It might push all the crap out of the system.
Nov 25, 2010 at 7:53 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
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 new question

Frequently Asked Problems for This Vehicle