Bracket on Evaporator Housing? - Team Camaro Tech
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post #1 of 9 (permalink) Old Oct 9th, 10, 07:00 AM Thread Starter
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Bracket on Evaporator Housing?

Would someone possibly know what this bracket is for that is riveted to the housing next to the expansion valve? I can't remember if I ever saw anything attached to it. All my pre dis-assembly pictures show it to be unused.

Also, is there anything that keeps the coiled copper lines on the expansion valve from vibrating? They are pretty flimsy. They are just hanging out in the middle of nowhere. I haven't seen any pictures that show what would hold them.

Last edited by 69-er; Nov 13th, 10 at 06:35 AM.
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post #2 of 9 (permalink) Old Oct 9th, 10, 07:09 AM
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Re: Bracket on Evaporator Housing?

Larry, I am not sure about the '69. The A/C stuff I have been working on has been on the '67, which is similar. My best guess is that maybe the wiring harness that goes to the fan motor probably has a little "clip" on it that would plug into that bracket to keep the harness secure. It should be in the AIM if you have one. My '69 doesn't have air otherwise I would go and check. This is my best guess.

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post #3 of 9 (permalink) Old Oct 9th, 10, 07:18 AM
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Re: Bracket on Evaporator Housing?

Look up in Electrical sticky, there is a link to a '67 AIM, C60 for A/C.

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post #4 of 9 (permalink) Old Oct 9th, 10, 09:01 AM
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Re: Bracket on Evaporator Housing?

Their should be another bracket (collar) that goes around the neck of the expansion valve that secures to the tab with the hole that holds it steady! The 67 has two tabs, the second tab folds over to secure the A/C wiring going to the compressor.

By securing the expansion valve with this collar you may find your copper lines do not vibrate as you mention.

The other option is to coil up the copper to remove some slack which would give it some strenth and form it the best you can to have it alone side of the expansion valve in front of the evaporator box.

67 RSSS Van Nuys, 4th week Sept,1966
ps,tilt,headrest,spd warn,pw,am/fm,delux int,
remote mirror,rear defrost,tint glass.etc...
TKO 600 Extreme,12bolt 3:73 gears.
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post #5 of 9 (permalink) Old Oct 9th, 10, 10:38 PM Thread Starter
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Re: Bracket on Evaporator Housing?

Quote:
Originally Posted by 67RSSS View Post
Their should be another bracket (collar) that goes around the neck of the expansion valve that secures to the tab with the hole that holds it steady! The 67 has two tabs, the second tab folds over to secure the A/C wiring going to the compressor.
That seemed logical to me except the bracket is right next to the port. If it was a little lower, I could see how I could make a collar to wrap around the valve. I can't visualize how I could make one to fit in my situation.

I know of a couple Pontiacs at the local salvage yard that still have some AC parts. Maybe I'll be lucky!
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post #6 of 9 (permalink) Old Oct 10th, 10, 06:44 AM
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Re: Bracket on Evaporator Housing?

I wouldn't mind seeing a pic if someone has one, how the collar looks. My '67 box has a similar bracket.

My fan motor wiring harness plug goes into the actual case itself, so I guess that was ruled out...

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post #7 of 9 (permalink) Old Oct 10th, 10, 02:01 PM
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Re: Bracket on Evaporator Housing?

Here are some Pics.
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67 RSSS Van Nuys, 4th week Sept,1966
ps,tilt,headrest,spd warn,pw,am/fm,delux int,
remote mirror,rear defrost,tint glass.etc...
TKO 600 Extreme,12bolt 3:73 gears.

Last edited by 67RSSS; Oct 10th, 10 at 03:35 PM.
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post #8 of 9 (permalink) Old Oct 10th, 10, 02:07 PM
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Re: Bracket on Evaporator Housing?

Look at the upper tab in Cris picture it looks like it is used as a stop to clock the valve so it points in the right direction .
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post #9 of 9 (permalink) Old Oct 10th, 10, 03:19 PM
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Re: Bracket on Evaporator Housing?

That upper tab is what bends over to secure the wires running to the compressor. I bent it back when taking the pics.

The clocking is determined by the metal line going to the evaporator valve which incidentally can be turned in the attaching hose to accomodate the valve positioning after it is tightened.

One could always use the plastic wire loom retainers at auto stores if they do not have the proper bracket. They are not really seen once attached. You could also paint them silver if need be
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67 RSSS Van Nuys, 4th week Sept,1966
ps,tilt,headrest,spd warn,pw,am/fm,delux int,
remote mirror,rear defrost,tint glass.etc...
TKO 600 Extreme,12bolt 3:73 gears.

Last edited by 67RSSS; Oct 10th, 10 at 03:41 PM.
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