| |
Click on image for the lowdown. 
====
| | | Forums66 Topics128,090 Posts1,056,024 Members48,432 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jun 2009 Posts: 12 New Guy | | New Guy Joined: Jun 2009 Posts: 12 | hi i was just wondering how the stock heater in my '49 should operate. whenever i turn it on the first speed, I hear a low hum, and nothing else. but the second and third make it rumble and rattle, which worries me. is this supposed to happen. or is something wrong?
thanks,
Trevor | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 |  definitely somethings wrong .... sounds like the motor is shot or bearings rotten - the hum will be the motor trying to turn, may burn some wires if you let it go long - the rattle may be a loose fan on the shaft or the bad bearings .... you need to get in there and take it apart, clean it up good [might be fulla rat nest], check the motor, rebuild it if necessary Bill | | | | | Joined: Jan 2008 Posts: 493 Shop Shark | | Shop Shark Joined: Jan 2008 Posts: 493 | That's right, since you are in the Vermont I wouldn't put it off to long. | | | | | Joined: Jun 2009 Posts: 12 New Guy | | New Guy Joined: Jun 2009 Posts: 12 | alright, I'll get on it as soon as possible.
thanks | | |
|
|
| |
