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Problem Symptoms Table

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS TABLE - TRANSFER SYSTEM

Symptom Suspect Area
Noise
  1. Oil (Level low)
  2. Backlash adjustment
  3. Preload adjustment
  4. Tooth contact adjustment
  5. Transfer driven pinion bearing (Worn)
  6. Ring gear mounting case bearing (Worn)
Oil leakage
  1. Oil (Level high)
  2. Oil seal (Worn or damaged) Right bearing retainer
  3. Oil seal (Worn or damaged) Transfer case
  4. Oil seal (Worn or damaged) Extension housing
  5. Gasket (Damaged)
  6. Seal (Damaged)
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