Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1988 Isuzu Trooper II Base, StandardFACTORY OEM SERVICE PROCEDURE
Quick Lookups: Fluids
| FLUID CAPACITIES | |||||||
|---|---|---|---|---|---|---|---|
| Fluid Type | Application | Standard | Metric | Fluid Spec | Note | S/H | |
| Brake Fluid | N/A | N/A | DOT 3 Brake Fluid | Fill to "max" line on the reservoir. | S | ||
| Differential Gear Oil | 2.6L Eng | 1.70 QTS. | 1.6 L | SAE 80W-90 (Below 50Deg.F), 90W (0Deg.F to 90Deg.F), 140 (Above 50Deg.F Consistently) | S | ||
| Differential Gear Oil | 2.6L Eng | Rear | 2.00 QTS. | 1.89 L | SAE 80W-90 (Below 50Deg.F), 90W (0Deg.F to 90Deg.F), 140 (Above 50Deg.F Consistently) | S | |
| Engine Coolant | 2.6L Eng | 2.11 GALS. | 7.98 L | 50/50 mixture of good quality ethylene-glycol antifreeze & water. | S | ||
| Engine Oil | 2.6L Eng | 4.40 QTS. | 4.16 L | SAE 5W-30, 10W-30 (Below -13Deg.F to Above 100Deg.F), 15W-40, 20W-40/50 (Below 100Deg.F). | S | ||
| Engine Oil | 2.6L Eng | w/o Filter | 4.00 QTS. | 3.78 L | SAE 5W-30, 10W-30 (Below -13Deg.F to Above 100Deg.F), 15W-40, 20W-40/50 (Below 100Deg.F). | S | |
| Fuel Tank | 2.6L Eng | 21.90 GALS. | 82.9 L | S | |||
| Manual Transmission Fluid | 2.6L Eng | 3.20 GALS. | 12.11 L | Areas with temperatures of (90Deg.F and higher) SAE 40. Other areas SAE 5W-30 SF | S | ||
| Power Steering Fluid | N/A | N/A | DEXRON or DEXRON II | S | |||
| Transfer Case Fluid | 2.6L Eng | 1.60 GALS. | 6.05 L | Areas with temperatures of (90Deg.F and higher) SAE 40. Other areas, API - SF, SAE 5W-30 | S | ||
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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