Fogging Windows

1976 CADILLAC FLEETWOOD
31,000 MILES • V8 • 2WD • AUTOMATIC
Avatar
MAJORCB
  • MEMBER
  • 1 POST
I have a nice 1976 Cadillac Fleetwood Brougham with 31,000 miles. Just got a new radiator installed due to having heats problems... heat then "no Heat". Mechanic said needed new radiator.... now my windows are fogging up. Heater core shows no signs of leaking when I look under the hood, Heater works great now, and there is no smell of anti-freeze in the car? What can this be?
Jan 1, 2011 at 11:14 AM
Avatar
MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
When the windows start fogging up, it is usually a pinhole in the heater core. Pressure test it and if the gauge drops, there is a leak. There are adapters to isolate and check the core.
Jan 1, 2011 at 11:31 AM
🔧 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