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1998 S90 routine maintenance - need advice S90-V90

Hello all, my volvo is due for its timing belt change. I will likely take it to a dealer since I don't have time to do the maintenance myself. Is there anything else that makes sense to do if they are in that far? Tensioner? Waterpump? Coolant service? I'm throwing a P161 code in the winter. Should I have them replace the ECT while they are at it? I could probably do all of this work myself but like I said, I just simply don't have the time. Thanks for any advide you can give me.








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    1998 S90 routine maintenance - need advice S90-V90

    What's your mileage?

    DEWFPO
    --
    1998 S90 077,400 and 1995 964 154,100








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      1998 S90 routine maintenance - need advice S90-V90

      Sorry, 140k. I bought if off ebay at 95k so I don't know what the prior history is regarding the waterpump, coolant service, tranny service, etc.








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        1998 S90 routine maintenance - need advice S90-V90

        With 140K on the clock I would changeout the following :

        Both belts(serp. and T-belt).
        T-belt tensioner
        T-belt pulleys (2) IIRC
        Serp. tensioner pulley
        water pump
        atf (to synthetic)
        coolant
        reservoir cap
        thermostat

        check for a coolant leak at the underside of the driver's side, upper, plastic radiator hose connection. They crack and leak there until they fail catastrophically.

        My data hows a OBDII P0161 code as an O2 sensor, not an ECT.

        DEWFPO
        --
        1998 S90 077,400 and 1995 964 154,100








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          1998 S90 routine maintenance - need advice S90-V90

          Thanks for the quick response on this. It may have been a P1116 code. I'm working from memory. Wife won't be too happy about the cost of all this, but for what amounts to a couple car payments, the piece of mind is worth it.








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      1998 S90 routine maintenance - need advice S90-V90

      Sorry, 140k. I bought if off ebay at 95k so I don't know what the prior history is regarding the waterpump, coolant service, tranny service, etc.







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