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1985 245 A/C Servicing -- What Parts to Replace? 200

posted by  volveaux on  Tue Apr 24 08:18 CST 2007
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last visit: Fri May 4 09:51 CST 2007
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Bought this 1985 245 not long ago - time to recharge the A/C system. Currently it does not function and I have not vacuumed or tested the system. I do know the compressor has engaged before - but no cool air. I have purposefully been avoiding using the compressor until I can service the system.

The system does have pressure. My guess is not enough coolant (R12).

I want to do the routine: Change the o-rings, drier, flush the condensor. I won't mess with the compressor since this is not an R134 conversion. I did my 1987 740 not long ago - and it was a bit different.

Questions:
1- How many O-rings are there. I'll get a kit, but I count 4 under the hood. 2 at the drier, 2 at the compressor. Ooops. Must be 2 more at the condensor. 6 Total?

2- Is the evaporator easily accessible and are there o-rings to replace there?

3- Is there an expansion valve/orifice tube like the 740?



What else would be a standard procedure? Should I flush the evaporator?

Thanks!
Jamie






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