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Service Intervals & Specifications: Notes

REPLACEMENT INTERVALS

Component Miles
Air Filter 30,000
Automatic Transmission Fluid (1) 20,000
Coolant 30,000
Front & Rear Axle Oil 30,000
Manual Transmission Fluid 15,000
Oil & Filter 7500
Oxygen Sensor 90,000
Spark Plugs 30,000
Timing Belt 60,000
Transfer Case Oil 30,000
(1) Fluid requires replacement only under severe operation. Severe operation is driving on rough dusty roads or repeated short trips.
VALVE CLEARANCE ADJUSTMENT INTERVALS

Application Miles
Trooper (1)
(1) Hydraulic lash adjusters are used. No adjustment is required.
BELT ADJUSTMENT (1)

Application Specification
Belt Deflection (2)
A/C Belt .315" (8 mm)
Alternator & Power Steering Belt N/A
Belt Tension (3)
A/C Belt 100-140 lbs. (45-64 kg)
Alternator & Fan Belt 100-120 lbs. (45-54 kg)
P/S Belt 70-110 lbs. (32-50 kg)
(1) Some models are checked by belt deflection; other models are checked using belt tension gauge.
(2) Deflection is checked with 22 lbs. (10 kg) pressure applied midway on longest belt run.
(3) Belt tension checked with belt tension gauge.
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