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89VG30

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Posts posted by 89VG30

    Thermostat & Fan Clutch

    in 86.5-89 WD21 Pathfinders

    Posted

    honestly 170 should be fine.

     

    im in Az and my needle is a bit before where the halfway mark is even in 110 degree weather (except for right now, but I that has been a problem only since I redid my heads so I know there is something else wrong)

     

    instead of getting a new fan clutch you could do the taurus fan mod, that will definitely keep it cooler. probably cost about the same too.

    When my path was new my needle ran between 1/4-1/3, now it runs like yours. I have a Haynes manual

    that recommends the 155 t-stat. Don't know about the taurus mod but will check into it. Thanks for your input

    and everyone else's!

    Thermostat & Fan Clutch

    in 86.5-89 WD21 Pathfinders

    Posted

    i doubt it was the fact you had a 170 degree t-stat that warped your head. most people run 170 or 180 and are fine as long as the cooling system is working properly. the head wouldnt crack at that temperature range anyways.

     

    if your head is cracked, dont you think you should replace that too btw?

    Most definitly getting rebuilt heads. :jig: and I may have to live with a 170 t-stat.

    Thermostat & Fan Clutch

    in 86.5-89 WD21 Pathfinders

    Posted

    If so, I'd say that the thermostat/fan clutch is the least of the immediate concerns. Who's to say it isn't just a head gasket? That is far more common and at 280k, understandable... :shrug:

     

    MY1PATH stated good information.

     

    B

    I'm fairly sure it's a cracked head because I had gotten into stop and go traffic for about 8 miles,

    (about 1 hour) and had finally noticed the temp gauge pegged, pulled into a car wash with the engine

    making terribly awful sounds and waited about another hour to put water in it. This was with a new fan clutch

    from O'reilly's (Kool Clutch). I noticed later with the rad full of water, the temp gauge indicating overheating,

    that the fan was only doing about 15 rpm and I showed the guy at the parts store that I could stop the fan with my

    finger and spin the fan in the opposite direction it should have been going. Shouldn't the fan clutch be engaged

    with water that hot flowing thru the rad and the air temp so high? :unsure: At the present time I'm collecting parts to rebuild the engine.

    Thermostat & Fan Clutch

    in 86.5-89 WD21 Pathfinders

    Posted

    The first fan clutch I replaced in my '89 was at about 70K miles and I purchased one

    that had a lifetime warranty so I got a free one at about 140K, 210K, and 280K, but the one

    at 280K had a higher temp setting than previous clutches and combined with the higher

    temp thermostat (170 farenheit 76.5 celsius) that nissan now specifies for my '89, I have

    at least one cracked head, (water droplets and chocolate milk looking oil in the oil filler cap).

    My vehicle came with a 155 degree farenheit (68 celsius) thermostat and mating fan clutch

    and had run perfect with that combo. I don't think it would do any good to have a 155 t-stat

    with a fan clutch that doesn't start pulling air thru the radiator till the air temp hits 190, so what

    I would like to do is find a good 155 degree t-stat and modify the copper thermal coil on a new

    fan clutch to match. Any help in locating a 155 t-stat for my '89VG30i would be greatly appreciated.

    Thanks, 89VG30

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