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| | | Forums66 Topics128,050 Posts1,055,646 Members48,426 | | 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: Feb 2002 Posts: 39 'Bolter | | 'Bolter Joined: Feb 2002 Posts: 39 | My new heater valve for my '55 Second Series truck didn't come with one and they say it's not needed, but what was it there for in the first place? | | | | | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | it was there as the temperature sensor for "automatic" temperature control - I think GM figured out it was redundant as they eliminated it by the end of the TF series, using the 'temp' lever alone and counting on a stable coolant temp controlled by the engine thermostat
Bill | | |
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