TrailBlazer 4WD L6-4.2L VIN S (2002)
Tighten the bolts to 16 N.m (12 lb ft).
15.
Apply pipe sealant, P/N 12346004 (Canadian P/N 10953480), or equivalent, to the drain plug threads. Install the transfer case drain plug.
Tighten
Tighten the plug to 27 N.m (20 lb ft).
16.
Refill the transfer case with 1.8 L (2 qts) of Auto Trac II Transfer case lubricant, P/N 12378508 (Canadian P/N 10953626).
17.
Apply pipe sealant, P/N 12346004 (Canadian P/N 10953480), or equivalent, to the fill plug threads. Install the fill plug.
Tighten
Tighten the plug to 27 N.m (20 lb ft).
18.
Lower the vehicle.
19.
Connect the Tech 2(R) and use SPS reprogramming to reprogram the transfer case control module (TCCM) with TIS software version 11, released
October 2002 or newer.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use the table.
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