Toyota
Jeep Cherokee
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Transmission and transfer case » Automatic transmission-30RH » Service procedures
Aluminum thread repair

Damaged or worn threads in the aluminum transmission case and valve body can be repaired by the use of Heli-Coils, or equivalent. This repair consists of drilling out the worn-out damaged threads. Then tap the hole with a special Heli-Coil tap, or equivalent, and installing a Heli-Coil insert, or equivalent, into the hole. This brings the hole back to its original thread size.

Heli-Coil, or equivalent, tools and inserts are readily available from most automotive parts suppliers.

    More about «Service procedures»:

    Fluid level check

    Fluid and filter replacement

    Transmission fill procedure

    Converter drainback check valve service

    Oil pump volume check

    Flushing coolers and tubes

    Aluminum thread repair

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