Vacuum Pump Drive Belt Tension (Diesel)
Loosen vacuum pump adjustment bolt and pivot bolt. Insert 3/8 inch drive breaker bar or ratchet in adjustment plate slot. Lift up on assembly until belt tension reaches specification. See VACUUM PUMP BELT TENSION SPECIFICATIONS . Tighten adjustment bolt and pivot bolt to 11-18 ft. lbs. (15-25 N.m).
VACUUM PUMP BELT TENSION SPECIFICATIONS (DIESEL)
| Application | (1) Belt Tension Lbs. (N) | |||
|---|---|---|---|---|
| New Belt | ||||
| Cold Engine | 90-130 (400-578) | |||
| Hot Engine | 110-150 (489-667) | |||
| Used Belt | ||||
| Minimum | 60 (266) | |||
| Readjustment | 80-100 (355-444) | |||
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