Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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#392381 07/17/17 07:07 PM
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My54 Offline OP
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What is the procedure for changing the heater control valve in a 54 Chevy?How difficult is the job?

Last edited by My54; 07/17/17 07:07 PM.
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Your 1954 Chevrolet shop manual should give you detailed instructions on how to remove and replace the heater control valve. It can probably explain the procedure in better detail.

Good luck with your project.

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Whats with you and the shop manual? The man asked a question, If you cant help him somebody will chime that can!

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What's with you and your comment? I have found that many times a shop manual is an excellent source and an invaluable tool to use when replacing various parts on vehicles; therefore, my suggestion to My54 to check the shop manual to see if there are any instructions on replacing the heater control valve. Since you don't like my suggestion to My54 about checking his shop manual then you give him detailed instructions on how to accomplish the job!

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My54 Offline OP
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I do have a shop manual but it doesn`t cover anything on heaters.

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I replaced the heater control valve on my 1951 Chevrolet years ago and, as I remember, it wasn't that difficult to do. On my '51 Chevy, I believe that I removed the glove box so that I could get to the control valve easier. I found info. on how to replace the control valve in the accessory section of one of my shop manuals.

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The 1953-54 is a little easier to replace. Remove the glove box and you will get a better idea of what is neessary.


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Also, you should drain the coolant down some so that when you remove the heater hoses to replace the heater control valve you don't get water or anti-freeze all over your engine compartment.

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My54 Offline OP
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Thank you both.

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The valve on my 51 was leaking, got a repair kit at NAPA, pulled the glove box, hoses, control cable and unbolted it. Pretty simple repair.

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Originally Posted by Junkyard Dog
What's with you and your comment? I have found that many times a shop manual is an excellent source and an invaluable tool to use when replacing various parts on vehicles; therefore, my suggestion to My54 to check the shop manual to see if there are any instructions on replacing the heater control valve. Since you don't like my suggestion to My54 about checking his shop manual then you give him detailed instructions on how to accomplish the job!

laugh wink beer2

My priorities in getting into the old car hobby.

1. Have a basic (or above) understanding of mechanics.

2. Have a basic set of good tools to use.

3. Buy the car of your choice.

4. BUY AND INTRODUCE YOURSELF TO THE "GM ISSUED" SHOP MANUAL FOR YOUR SPECIFIC CAR.

5. After step # 4, pick up a tool and repair your newly purchased car.

The shop manual is the "automotive bible" to the classic car owner. Don't go to the garage without it.



1951 Chevy Styleline Deluxe 2 door sedan / purchased from second owner 6-19-2000.
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The only problem s there is no mention of the heater or it's parts in the shop manual. The installation is well described in the accessory manual but repair parts such as the control valve is not mentioned because Chevrolet/Harrison did not supply parts for it.


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Originally Posted by Chev Nut
The only problem s there is no mention of the heater or it's parts in the shop manual. The installation is well described in the accessory manual but repair parts such as the control valve is not mentioned because Chevrolet/Harrison did not supply parts for it.

On that same note, there is no info concerning the radio in the shop manual either. Both the heater and the radio were optional equipment, thus no coverage in the shop manual.
Still, the GM issued shop manual is the BEST resource for accurate information, concerning your Chevrolet.



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I don't know if there is enough to rebuilding the heater valve to warrant a description in the accessory manual. It was only a couple small seals, and peeling back a few brass tabs to install them.
The radio is a different animal, needed a good set of prints to replace the caps, resistors, tubes and vibrator.

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The accessory manual contains no repair information. It is for installing accessories only.


Gene Schneider

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