| |
Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
====
| | |
10 members (oldsteve, Mr Bailey, cmayna, 216wny, baldeagle, frogfarmer, JW51, Peggy M, tclederman, 1 invisible),
35
guests, and
1
robot. | | Key: Admin,
Global Mod,
Mod | | | Forums66 Topics128,005 Posts1,055,261 Members48,418 | | 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: Apr 2009 Posts: 88 Shop Shark | | Shop Shark Joined: Apr 2009 Posts: 88 | I have a problem with a 49 wrecker. I just got it running but now it runs hot. I first started it and it ran great for about 3 minutes then the temp gauge suddenly went from 180(Coldest) to 220(Hotest). I instantly shut it down and put a new thermostat and I am waiting on a new water pump. I tried it again with the new thermostat because the old one was corroded and it did it again and again I killed it ASAP. I want to know if it is the water pump or is it a head gasket. I know it could be either. There is no water in the oil like when a head gasket goes. I know someone out there has dealt with this and can lead me to a place to start. I cant decide whether to fight it or just put the 4 cylinder diesel in it that I have in the back and build a hot rod.
Thanks
Brad
Last edited by Ameritowruston; 05/17/2009 12:34 AM.
| | | | | Joined: Mar 2004 Posts: 3,068 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 3,068 | Sounds like it's airlocked. Does it boil over too? Drill a small by-pass hole into the flange of the thermostat to let the trapped air out from under the t-stat and park it nose up on a steep incline. This purges the air out every time for me. Also, when it "burps" the air out, shut it off for a few minutes, add some coolant and start it again. Feel around for cool spots like the lower radiator. They tend to plug up with age,
Good luck,
Scott | | |
|
|
| |
