Quantcast EXCESSIVE WHITE SMOKE AT IDLE.

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TM 9-2815-226-34-1
Table 2-1. TROUBLESHOOTING PROCEDURES (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7.
EXCESSIVE WHITE SMOKE AT IDLE.
Step 1. Check for stuck open thermostat.
Replace thermostat (TM 9-2320-281-20).
Step 2. Check for incorrect valve and injector timing.
Time valves and injectors (para 3-94).
Step 3. Check for cracked injector body or cup.
Replace defective injector (para 3-6 and 3-94).
Step 4. Check injectors for proper flow adjustments.
Test and adjust injectors (para 3-75).
8.
EXCESSIVE SMOKE UNDER LOAD.
Step 1. Check for defective baffles in muffler or severely distorted exhaust
piping creating high back pressure.
Replace muffler or defective piping (TM 9-2320-281-20).
Step 2. Check for dirt y turbocharger compressor.
Clean compressor (para 3-86).
Step 3. Check for blown or leaking head gasket(s).
a.
Retorque head bolts (table 3-3).
b.
Replace defective gasket(s) (para 3-6 and 3-94).
Step 4. Check for plugged injector spray holes.
Clean injector (para 3-73).
Step 5. Check for cracked injector body or cup.
Replace defective injector (para 3-6 and 3-94).
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