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85 to 81 a/c swap 200 81

I was in a wrecking yard today and saw a very clean a/c pump in an 85. The engine looks a lot like my 81 4 cyl, like maybe the 85 would bolt up if i used it with it's bracket. Anyone know if that's doable or worth doing?

Thanks,

Hal








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Re: 85 to 81 a/c swap 200 81

Yes, doable.

With will and tenacity, you can even pull the bracket, Ac compressor & PS pump out as one unit.

The bracket has five bolts/studs. Two of these are hidden -- trapped between the bracket and the compressor -- and recessed into the bracket. Do those last, from under the car.

be sure to take the bracket and bolts/nuts with you.

Disconnect the PS hoses at the rack (not at the pump). Leave the fluid bottle and hoses attatched. Unhook the PS fluid bottle from its bracket -- (remember to also take the bracket!) Take the ignition coil bracket, in case you can use it upon installation of the PS bottle in your car.

Leave the high pressure side hose (the one routed to the front of the car) attatched to the Ac compressor. Discommect the low pressure hose returning from the evaporator inside the car. Disconnect the high side hose near the driver's side headlight.

The electric wire to the compressor has a bullet style disconnect halfway back towards the firewall. Unclip this.

Before installing anything in your car, you can take the opportunity to thoroughly degrease the units. Avoid letting foreign fluids or grit from entering the Ac compressor, of course.

Remove your car's bracket, saving the hardware. You'll need to separate the junkyard bracket from the units in order to begin the installation.

Two of the studs in your car may need to be replaced with bolts (or vice, versa). Merely double-nut the stud and remove.

you may need to move the ignition coil to a new location on the left strut tower to make room for the PS fluid bottle. Drill new holes, if needed.

To remove/install the AC compressor drive belt still on your car without removing the crank pulley, or the alternator belts, slip a sturdy screwdriver under it and rotate the crank by hand (battery ground should be disconnected!). Basically, you are going to pry it up over the pully slot.

Use new copper o-rings when attatching the PS hoses to sterring rack.









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Re: 85 to 81 a/c swap 200 81

I would also use a 1991-on PS pump. Integral reservoir. No mess and you don't have to replace the bracket that holds the ignition coil. On my 242Ti, I'm planning to use the Diesel-Kiki compressor, but no PS pump, since I prefer the manual steering...

-J









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Re: 85 to 81 a/c swap 200 81

Going to all that trouble for a York? Go one better and pull a rotary compressor and a PS/AC bracket off a newer 240 and mount it instead. You will need a new PS pump and reservoir (another plus) and the low pressure hose from the donor car too. BTDT. When those York clutches go you can have a lot of electrical wire melt and smoke.








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Re: 85 to 81 a/c swap 200 81

> Going to all that trouble for a York?

It might be a Deisel-Kiki rotary, if it is from a later model '85 with the B230 engine. At least the one I pulled was.







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