1998 Ranger 2.5L Vacuum diagram

Discussion in '2.5 Engine' started by Ranger Vern, Dec 7, 2011.

  1. Ranger Vern

    Ranger Vern New Member

    Hope someone can help me with a vaccuum problem. From inside the vehicle, when I call for heat nothing happens. I replaced the heater control valve today and still no heat. Could the control valve inside the vehicle be the culprit? All the other vaccum operated divises seem to fuction ok The windshield defroster door, floor door, ect. it deflexs the air where I want it, but there is no change when I use the heater control knob inside. Any suggestions and could someone post a copy of how thw vaccuum line run. Thanks a million.
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  3. Hooligan

    Hooligan Rangerholic!!

    Try this diagram, see if it's the same as yours. You may have to download it and blow it up
    See if this works
  4. OP
    Ranger Vern

    Ranger Vern New Member

    Vaccum diagram

    Thanks Holigan but that is not it. I have a 2.5 Liter 4 cyl. with 8 spark plugs. I believe Mazda made the motor and a great one at that with 245,+++ miles. Runs great and I love the 5 Speed manual tranny. I hope someone has access to a link so I can see how it all ties together. Went to a junk yard and picked the temp control that's mounted below the radio. Now it's an electical reostat yet the control valve under the hood is vaccuum operated. I just need to understand how an electical temp control operated a vaccum heater control valve. But Thanks a Million for trying to help me. Vern
  5. Hooligan

    Hooligan Rangerholic!!

    Ok, Good luck man
  6. Brinker88

    Brinker88 Black sheep o' the family

    Man, I'm glad my 4.0L OHV only has 3 vacuum lines on it

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