Just met a friend that is rebuilding the AC on his recently obtained 1987 Mercury Grand Marquis. He is seeking the two manifolds that attach to the top of the AC compressor. Anyone have good ones or can give leads to them. I have yet to find any so am curious. They "may" be warped so we are looking for them, just in case new o rings are not sufficient.
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What I Own: 1993 Mercury Grand Marquis GS
What I Help Maintain: 1996 CV / 1988 CV / 1988 Tempo -
pretty hard to damage those things but I think its used on a lot of vehicles with an FS6 compressor. Looking at stuff from about 1980-89.
if its messed up you can probably just use a flat file and make them flat again. the O ring is what does the sealing, so it would have to be pretty screwed up to not seal.86 Lincoln Town Car (Galactica).
5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley
91 Lincoln Mark VII LSC grandpa spec white and cranberry
1984 Lincoln Continental TurboDiesel - rolls coal
Originally posted by phayzer5
I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers -
Agree with Gadget.
That part could be found on a junkyard car. Chances are it would be good.
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I have a pile of compressors. Got a pic of the manifolds? WagonMan89 Colony Park
90 Colony Park
70 HEMI Daytona ConvertibleComment
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It most likely would be the o ring/s that are causing the issue. Just like to be prepared, just in case. Not sure if they are aluminum. He did tell me the old compressor suffered a good deal of heating (compressor may have been heat damaged) so they could be warped? Not sure if it really matters if the o rings are good so just "spit balling" here in case it is possible.Originally posted by gadget73 View PostWhat I Own: 1993 Mercury Grand Marquis GS
What I Help Maintain: 1996 CV / 1988 CV / 1988 TempoComment
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I do have a photo I took just for research purposes. Wonder if there is a torque spec or just tighten "as best you can"? Tried to post the photo but it is just over the 6 MB limit. If you have some photos, perhaps I can match to those.Originally posted by WagonMan View PostWhat I Own: 1993 Mercury Grand Marquis GS
What I Help Maintain: 1996 CV / 1988 CV / 1988 TempoComment
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The torque spec for the manifold bolt is 13-17 ft-lbs (18-23 Nm).
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)
Originally posted by gadget73
... and it should all work like magic and unicorns and stuff.
Originally posted by dmccaig
Overhead, some poor bastards are flying in airplanes.Comment
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That is a GREAT help - many thanks!!! Any way to post the photo requested if it is just slightly above the 6 MB limit?Originally posted by sly View PostLast edited by friskyfrankie; 05-27-2024, 09:00 AM.What I Own: 1993 Mercury Grand Marquis GS
What I Help Maintain: 1996 CV / 1988 CV / 1988 TempoComment
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Hope this works??? 1987 AC Compressor Manifolds-compressed.pdfWhat I Own: 1993 Mercury Grand Marquis GS
What I Help Maintain: 1996 CV / 1988 CV / 1988 TempoComment
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yeah those things. 4 bolts and they come off.
there is actually a special tool that screws into those manifolds to give connection to a gauge set. The idea is you can pull vacuum on the compressor and verify no leaks. I made a set to leak test a compressor I rebuilt.86 Lincoln Town Car (Galactica).
5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley
91 Lincoln Mark VII LSC grandpa spec white and cranberry
1984 Lincoln Continental TurboDiesel - rolls coal
Originally posted by phayzer5
I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousersComment
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Those are the parts exactly! Never seen a special tool that screws into those ports to check for leaks. Beside the one you made, are there any commercially available ones?What I Own: 1993 Mercury Grand Marquis GS
What I Help Maintain: 1996 CV / 1988 CV / 1988 TempoComment
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Sorry, all the compressors I have are 1988 and newer. Strange, I have the fat hoses that attach to the earlier manifolds. I must have sold the earlier compressors
I had. WagonMan89 Colony Park
90 Colony Park
70 HEMI Daytona ConvertibleComment
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No problem. I thank you for taking the time to look!Originally posted by WagonMan View PostWhat I Own: 1993 Mercury Grand Marquis GS
What I Help Maintain: 1996 CV / 1988 CV / 1988 TempoComment
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Found them on LMR and they do come with the o rings. Have links if anyone needs them!!What I Own: 1993 Mercury Grand Marquis GS
What I Help Maintain: 1996 CV / 1988 CV / 1988 TempoComment
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Might as well post the links for reference just in case.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)
Originally posted by gadget73
... and it should all work like magic and unicorns and stuff.
Originally posted by dmccaig
Overhead, some poor bastards are flying in airplanes.Comment
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