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 MANUALSTOYOTA1988VAN BASE, VAN PASSENGERREPAIR AND DIAGNOSIS (SINGLE PAGE)STEERINGMANUAL STEERINGSTEERING GEAR - POWEROVERHAULPOWER STEERING PUMPREASSEMBLY
1988 Toyota Van Base, Van Passenger
Power Steering Pump: Reassembly
1988 Toyota Van Base, Van PassengerSECTION Reassembly
- Coat all sliding surfaces with ATF. Assemble front plate and rotor assembly on pump shaft. Ensure rotor is installed properly. See Fig 1. Coat grease to shaft seal. Install longer pin into housing. Align pin and hole in front plate.
- Using a plastic hammer, tap pump shaft into housing. Install cam ring, with inscribed mark facing toward rear of pump. Install vane plates, with rounded end facing rear of pump. Install rear side plate and "O" ring. Install wave washer, "O" ring and rear housing.
- Using a torque wrench, measure pump shaft rotating preload. If preload exceeds 2.4 INCH lbs. (.27 N.m), disassemble pump and check assemble. If preload is okay, install spring seat. Bolt hole should be facing outward.
- Install snap ring. Install spring and flow control valve. Tighten pressure port to 51 ft. lbs. (69 N.m). Install return line port to 108 INCH lbs. (12 N.m). Install air control valve and pulley.
RENDER: 1.0x
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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.