box heater valve ac

  1. EJP

    Oil and coolant questions for '79 X19

    I am fairly new to this car so bear with me. Is there supposed to be crush washer or seal between the oil drain bolt and the oil pan? What is the tightening torque for this oil drain plug bolt? Is 20W-50 weight oil too heavy for these engines? Looking to replace my stuck heater valve. What is...
  2. D

    Would This Heater Control Valve Work On A Late X With A/C?

    From a Maserati BiTurbo: https://www.ebay.com/itm/Maserati-Biturbo-VACUUM-OPERATED-HEATER-VALVE-315520030/173160466958
  3. Dr.Jeff

    Heater valve on AC equipped X1/9's

    Judging by the part listings found at vendor's sites, the factory equipped Air Conditioned X's use a different heater valve than the non-AC models. However I cannot find a listing or even a image for the AC version; only non-AC listings that specifically state not for AC cars. Checking for the...
  4. D

    1986 Heater Control Valve Replacement

    I have a 1986 X with A/C. The heater control valves are no longer available and mine started leaking. I replaced it with a Everco/Heater Control Valve 74004: http://www.autozone.com/1/products/106005-heater-control-valve-everco-74004.html The size (5/8") fits stock hoses. I made a mounting...
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