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AC Line Fitting

rlchv70 on Sun August 02, 2009 10:15 PM User is offline

Year: 2004
Make: Pontiac
Model: GTO
Engine Size: 5.7
Refrigerant Type: 134
Country of Origin: United States

Sorry, but Newbie here. Just warning ya!

I found a leak in my system at the dryer fitting. The plan was to replace the o-ring myself, then take it to a competent shop to have it flushed and refilled.

However, when taking the fitting off, the end of the line twisted off. Help! The line basically circles the engine bay, going under the steering shaft and lots of other components, so it would be a pain in the but to replace as an assembly.

Is it possible to repair? Are there kits available? Where can I get it?

Any advice is appreciated.

Cussboy on Mon August 03, 2009 8:52 AM User is offline

Sounds like you didn't use a back-up wrench. You may be able to install an in-line filter, mainly to use as a union, and have a new end piece fabricated. Or, the only metal connector unions I would trust are Swagelok brand, come in different metals, and metric as well.

Edited: Mon August 03, 2009 at 8:54 AM by Cussboy

Prospeeder on Mon August 03, 2009 7:44 PM User is offlineView users profile

Yea you need to make sure to hold the fitting with one wrench and loosen it with another. I would replace the line, theres not going to be any real good way to fix it.

1990 Pontiac Turbo Grand Prix
1990 Pontiac 6000 LE V6
Both have R12 A/C

rlchv70 on Mon August 03, 2009 8:11 PM User is offline

There wasn't a spot (that I noticed anyway) for a backup wrench.

The main issue is that it twisted off right at the fitting. How do I replicate the end of the line to support the o-ring?

Chick on Mon August 03, 2009 8:25 PM User is offlineView users profile

Buy a new line and drier, the only proper way to fix it, there has to be a reason it was leaking..corrosion maybe>>

Email: Chick


Freedoms just another word for nothing left to lose

bohica2xo on Mon August 03, 2009 11:45 PM User is offline

I'm with Chick on this one - replace the line & drier.

You probably live in an area with corrosion issues, either salt air or salt roads. The aluminum tube grows corrosion inside the steel nut, until it becomes one. You twist the nut, and the tube folds up like the beer can it was made from...

You are due for a dryer at 5 years anyway. Just replace the components & move on.


"Among the many misdeeds of the British rule in India, history will look upon the act of depriving a whole nation of arms, as the blackest."
~ Mahatma Gandhi, Gandhi, An Autobiography, M. K. Gandhi, page 446.

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