Automotive Air Conditioning Information Forum

Good stuff right there!
Thank you Sir !

Can you get in there with an oxy-acetylene torch (#1 tip or smaller) to heat-up the ends of the studs cherry red? If so, the nuts will come right off. Better wash off all the PB Blaster, though, and have a fire extinguisher ready.


Hello JohnHere!

No sir. There is no access to the bolts tips ...

Awesome!

I'll check out that thread.
Thanks for the follow up <thumbup>

I'm dealing with the problem of expansion valve bolts that do not want to let go.
There must be a good bit of corrosion on the tips of the threads that were inside the evap housing.
They will turn about 4 turns then lock up solid.

I sprayed them with PB Blaster and right now I'm waiting 1/2 hour to ...

I use both.
I have a TIF 5650 that I bought new years ago and it STILL works as good as new. False positives can be an issue tho.
Some situations my sniffer seems to work better. Other situations, dye seems to get the job done best.
Sometimes I use one to confirm the other.

Never had any issues ...

I've only had this vehicle just over a week now and yesterday checked for the first time.....

Yep...REAR AC. Found lots of Oil at the expansion valve so this changes everything. Now I'm going to remove the rear evaporator to check for leaks and most likely replace the rear expansion valve and ...

JohnHere wrote: Wed Aug 19, 2026 9:00 am Note: This topic is four years old.

All I saw was AUG 18...and thought it was yesterday. oops

Contrary to the Factory Service Manual, elevated pressure on the high side usually indicates a condensing issue. At a 96°F ambient temperature, the high side should be ~225 PSI with decent condensing.

Do you happen to know whether the condenser and fan(s) have ever been replaced?


Hello ...

Hello!
I'm working on a 2001 Dodge Grand Caravan I have owned for about a week now. I am not getting cold air at the vents.
When I first checked the system it was low on refrigerant but still had some pressure and about 15oz of refrigerant so I assume it wasn't exposed to atmosphere AFAIK.

(I ...

Diametric,
We're just funning and staying friendly,hope there is no offense.
It was just a thought for reward for service to this free web site (services performed:
"ACKITS.COM" grill ornament for TIM
"BRADFORD HERRICK" emblem for bohica's Salt Flats cycle
Hotrodac


......a few decades later ...