1991 Geo Tracker LSi, AutomaticFACTORY OEM SERVICE PROCEDURE

Service Intervals & Specifications

REPLACEMENT INTERVALS (1)

Component Miles
Air Filter 30,000
Charcoal Canister 100,000
Coolant 30,000
Drive Axle Lubricant (2)
Fuel Filter 30,000
Ignition Wires & Distributor Cap 60,000
Oil & Filter 7500
Oxygen Sensor 80,000
PCV Valve 50,000
Spark Plug 30,000
Timing Belt 60,000
Transfer Case (2)
Transmission Lubricant
A/T (3) 100,000
M/T (2)
Valve Clearance Adjustment 15,000
(1) Under normal driving conditions.
(2) Change A/T cooler hoses at 45,000 miles.
(3) Change lubricant at 7500 miles and 30,000 mile intervals thereafter.
BELT ADJUSTMENT

Application (1) Belt Deflection
A/C Belt .20-.25" (5.1-6.4 mm)
P/S Belt .24-.35" (6.1-8.9 mm)
Water Pump Belt .20-.32" (5.1-8.1 mm)
(1) Deflection is with 22 lbs. (10 kg) pressure applied midway on longest belt run.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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