1989 Isuzu I-Mark LSFACTORY OEM SERVICE PROCEDURE

Quick Lookups: Fluids

FLUID CAPACITIES
Fluid Type Application Standard Metric Fluid Spec Note S/H
Automatic Transmission Fluid 1.5L Eng 6.90 QTS. 6.52 L Automatic Transmission Fluid DEXRON II S
Brake Fluid N/A N/A DOT 3 Brake Fluid Fill to "max" line on the reservoir. S
Engine Coolant 1.5L Eng 6.80 QTS. 6.43 L 50/50 mixture of good quality ethylene-glycol antifreeze & water. S
Engine Oil 1.5L Eng 3.40 QTS. 3.21 L SAE 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 30 (Above 40Deg.F), 15W-40, 20W-40/50 (Above 15Deg.F). S
Engine Oil 1.5L Eng w/o Filter 3.00 QTS. 2.83 L SAE 5W-30 (Below 60Deg.F), 10W-30 (Above 0Deg.F), 30 (Above 40Deg.F), 15W-40, 20W-40/50 (Above 15Deg.F). S
Fuel Tank 1.5L Eng 11.10 GALS. 42.01 L S
Manual Transmission Fluid 1.5L Eng 2.48 PTS. 1.17 L Areas where ambient temperatures of 90Deg.F & higher are regularly encountered - SAE15W-40, 20W-40/50. Other areas SAE 5W-30. S
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

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

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

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