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Home >> Toyota >> 2006 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Transfer Case) >> Transfer System >> Problem Symptoms Table

Problem Symptoms Table

WARNING: This page is about a different variant/trim than selected.

Transfer system 

PROBLEM SYMPTOMS REFERENCE

Symptom Suspected area See example
Noise 1. Oil (level low) TRANSFER OIL 
2. Backlash adjustment REASSEMBLY 
3. Preload adjustment REASSEMBLY 
4. Tooth contact adjustment REASSEMBLY 
5. Transfer driven pinion bearing (worn) TRANSFER UNIT 
6. Ring gear mounting case bearing (worn) REASSEMBLY 
Oil leakage 1. Oil (level too high) TRANSFER OIL 
2. Oil seal (worn or damaged) Right bearing retainer TRANSFER UNIT 
3. Oil seal (worn or damaged) Transfer case TRANSFER UNIT 
4. Oil seal (worn or damaged) Extension housing TRANSFER UNIT 
5. Gasket (damaged) TRANSFER UNIT 
6. Seal (damaged) TRANSFER UNIT