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.
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HOMESERVICE MANUALSTOYOTA19904RUNNER 2D UTILITY, 2.4 R, AUTOMATICLABOR TIMESENGINE MECHANICALMECHANICALENGINE ASSEMBLYREMOVE, INSTALL, AND OVERHAUL
1990 Toyota 4Runner 2D Utility, 2.4 R, Automatic
Engine Assembly: Remove, Install, and Overhaul
1990 Toyota 4Runner 2D Utility, 2.4 R, AutomaticSECTION Remove, Install, and Overhaul
Includes: Replace Rings, Main and Rod Bearings, Camshaft(s), Crankshaft and Timing Components. Remove Cylinder ridge, burnish Cylinders, grind Valves and clean and test or replace Lifters.
Includes (where applicable): Adjust Valves. DOES NOT include Pin fit or rebore and align Rods. See machine operations.
| Applies To | Note | Standard Hours | Warranty Hours | Skill Level |
|---|---|---|---|---|
| 4WD,In-Line4 | 23.5 | A | ||
| Additional Procedure: ENGINE ASSEMBLY: Remove, Install, and Overhaul: | ||||
| Gas, Where Pwr Strg interferes add | 0.6 | A | ||
| In-Line4, Where Air Cond interferes add | 0.7 | A | ||
| w/Automatic Trans add | 0.4 | A | ||
RENDER: 1.0x
NO RELATED
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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.