Toyota
Dodge Durango
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Engine » Service procedures
Repair damaged or worn threads

CAUTION: Be sure that the tapped holes maintain the original center line.

Fig. 8 Oil Filter Sealing Surface-Typical Fig. 8 Oil Filter Sealing Surface-Typical

1 - SEALING SURFACE

2 - RUBBER GASKET

3 - OIL FILTER

Damaged or worn threads can be repaired. Essentially, this repair consists of:

  • Drilling out worn or damaged threads.
  • Tapping the hole with a special Heli-Coil Tap, or equivalent.
  • Installing an insert into the tapped hole to bring the hole back to its original thread size.
    More about «Service procedures»:

    Form-in-place gaskets

    Engine oil

    Repair damaged or worn threads

    Cylinder bore-honing

    Hydrostatic lock

    Valve service

    Engine timing-verification

    Timing chain-measuring wear

    Pistons-fitting

    Piston rings-fitting

    Connecting rod bearings-fitting

    Crankshaft main bearings

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