What's the best solvent for freeing up manifold heat control valves?

[cruiser]

What spray solvent can you recommend for freeing up sticky manifold heat control valves? Chrysler doesn't make or sell it anymore, and their rust penetrant doesn't look any good. Thanks.

 

[RustyRatRod]

Sea Foam Deep Creep

 

[dano]

I've used PB Blaster and keep soaking it. I freed a seized RC car nitro engine using it.

I know my dad has used Marvel Mystery oil to free a locked VW engine.

 

[go-fish]

Acetylene? And a little oxygen?

 

[Dana67Dart]

Acetone and trans fluid has been tossed out there for years.

I had one that was frozen up pretty good, I soaked it in PB Blaster for weeks, sprained it every day.

It would not rotate.

I ended up protecting the shaft ends and started tapping the shaft to the left then the right (just a little) over the next week I got it freeded up enough to rotate.

A couple weeks later I found the manifold had a crack (not from anything I did) so I ended up tossing it.

But I got it completely freedup.

 

[cruiser]

Sea Foam Deep Creep

Thanks, Rusty. Is the Seafoam product the equivalent of what used to be manifold heat control valve solvent? If so, how do you recommend I use it on the valve? Thanks as always - cruiser

 

[RustyRatRod]

Thanks, Rusty. Is the Seafoam product the equivalent of what used to be manifold heat control valve solvent? If so, how do you recommend I use it on the valve? Thanks as always - cruiser

No, it's Sea Foam in a spray can. I would spray heck out of it, let it sit and then gently tap on each END of the shaft tapping it back and forth. It won't have a lot of room to do that, but it will move enough to help get the sea foam in around the bushings and the shaft.

 

[cruiser]

No, it's Sea Foam in a spray can. I would spray heck out of it, let it sit and then gently tap on each END of the shaft tapping it back and forth. It won't have a lot of room to do that, but it will move enough to help get the sea foam in around the bushings and the shaft.

Sounds good - thanks.

 

[AJ/FormS]

it's made by Ford. Comes in an aerosol, spray it on cold and walk away. Badaboom. Difficult cases might take a lil persuasion. I still have a part can from the 80s, kicking around, lol.

 

[6PakBee]

it's made by Ford. Comes in an aerosol, spray it on cold and walk away. Badaboom. Difficult cases might take a lil persuasion. I still have a part can from the 80s, kicking around, lol.

Got a Ford part number?

 

[AJ/FormS]

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwjxuOGL7-D6AhXAAjQIHZ95DJUQFnoECBAQAQ&url=https%3A%2F%2Fwww.amazon.ca%2FGenuine-Chrysler-Accessories-4318039AC-Penetrant%2Fdp%2FB00BV4DBAU&usg=AOvVaw21jBt4dFyKrqS4rsmaCgj3

 

[VOETOM]

MOPAR sells a graphite based lube that should do it too.