Neon cooling fans

Discussion in 'Neon' started by Robbie and Laura Reynolds, Nov 6, 2005.

  1. I acquired a 96 neon, and it has a problem with the cooling fans not
    turning on. I traded the fan relay with the horn relay, and the horn
    continued working, but the fan still did not. Also, when I plugged the
    relay in with the engine hot, I could feel it clicking, but no fan.
    Then I put a jumper across the two contacts that the relay is supposed
    to connect and the fan still didn't turn on.

    Another problem is that although the air conditioner clutch engages when
    it is turned on, the fan doesn't start.

    I notice that this car has two fans. I have not yet had an opportunity
    to get a service manual for this car (not sure I'm going to keep it
    anyway). I'm wondering, if one fan is dead, will it prevent either one
    from starting? Why two fans anyway? Is it a two speed system with two
    fans, or is one for the engine and the other for the AC?
    Robbie and Laura Reynolds, Nov 6, 2005
  2. Robbie and Laura Reynolds

    maxpower Guest

    Are the Fuses in the PDC good? have you checked for battery voltage and a
    good ground when the fan is supposed to be on?

    Glenn Beasley
    Chrysler Tech
    maxpower, Nov 6, 2005
  3. What does "PDC" stand for? I assume you're talking about the box behind
    the battery, because that's where the fuses and relays are. I checked
    the fuses, and they were good. I hadn't gotten around to the voltage
    yet. Looks like a nice sun-shiny morning. I'll get out there with a
    volt meter next.
    Robbie and Laura Reynolds, Nov 6, 2005
  4. Robbie and Laura Reynolds

    philthy Guest

    have a local dealer run the vin there was a recall for fan issues on some
    philthy, Nov 6, 2005
  5. Could be a dead fusible link (or other circuit-protection device) in the
    fan's power circuit, upstream of the fan relay. Put your voltmeter or test
    light across ground and the fan relay socket slot that mates with the
    relay's terminal 30. If you find no voltage, you've got an open in the
    circuit. These fusible links tend to blow only for a reason, i.e., the fan
    motor starts drawing too much current because its bearings are shot.

    And once that circuit protection is open, BOTH fans will fail to run.

    Daniel J. Stern, Nov 6, 2005
  6. Robbie and Laura Reynolds

    maxpower Guest

    Yes thats what I am refering to, PDC Power Distribution Center
    maxpower, Nov 6, 2005
  7. Robbie and Laura Reynolds

    maxpower Guest

    The only recall that was out on a cooling problem for that year vehicle was
    replacing the radiator assembly. (recall#694) And that was only if the
    vehicle was built at the Toluca Plant and it had to be built between April
    24 1996 thru May 28 1996.

    !997 and 98 Had the radiator fan relay recall #7691 and 7692

    Glenn Beasley
    Chrysler Tech
    maxpower, Nov 6, 2005
  8. Great info! Thanks.
    Robbie and Laura Reynolds, Nov 7, 2005
  9. Robbie and Laura Reynolds

    High Sierra Guest

    Can you spin the bad fan by hand?

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    High Sierra, Nov 7, 2005
  10. I can't really assume that it is a bad fan yet, but yes, both of them
    spin freely. I know that's a good question, because when the fan went
    bad in my 93 voyager, it locked up.
    Robbie and Laura Reynolds, Nov 7, 2005
  11. Here's the latest: 12 volts at the fan relay terminal 30. Relay clicks
    to turn the fan(s) on. Same relay works OK when switched over to the
    horn circuit. (I don't have enough hands to check it with a jumper wire
    and a volt meter)

    Seems like a slam dunk that it's the fan or fans causing the
    problem...except that one individual emailed me about another relay that
    controls the ground circuit on this car. He mentioned that it tends to
    be a common source of problems, it is a metal box located on the frame
    near the radiator, and that it is the same relay used on the Caravan of
    the same year.

    One other weird thing about this car is that the temperature gauge reads
    cold when the engine is cold, and then it comes up to medium when the
    engine warms up. But it never goes above medium even when the engine is
    getting way too hot. The antifreeze is filled to capacity. Could it be
    that the temperature sensor on the engine is defective and not telling
    the gauge to come up all the way, and not telling the grounding relay to
    turn the fans on?
    Robbie and Laura Reynolds, Nov 7, 2005
  12. I just discovered that the relay marked "Rad Fan" in the box behind the
    battery turns on whenever the engine is on, hot or not. That leaves the
    temperature sensor, the mysterious ground relay that I think I caught a
    glimpse of next to the radiator, or the fans themselves. Tomorrow I'll
    test the fans directly and see if they spin.
    Robbie and Laura Reynolds, Nov 8, 2005
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