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another Urgent 203 part time question

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Redfrog, Nov 11, 2001.

  1. Redfrog

    Redfrog 1/2 ton status

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    I finally got the fill plug out of my 203 (it only took a year of blasting it with pb blaster) and found a quart of ATF and that was it no oil [​IMG] so my question is since it is a part time would it have damaged anything? it has been banging a bit but the output shafts seem ok. I know that it should have 10-30 in it (which will be going in momentarly)
    what would be the best way to clean out the ATF. any ideas TIA




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  2. wayne

    wayne 3/4 ton status

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    Not sure on damage but after the rear seal on the trans is replaced I would just drain the t case and fill it with oil and run it for a week and change it again.

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  3. Grim-Reaper

    Grim-Reaper 3/4 ton status Author

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    Yeah run it for a while and change it. I would say you could even go a month or more without worry. ATF in a 203 is not all that bad. It lubricates well enough that I wouldn't be real concerned about it having been in there. The low is more of a concern than anything else.
    Both my trucks had gear oil in them when I got them. Got lucky and neither broke the pump.

    Women dig dents and flat paint!
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