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 MANUALSACURA20043.5RLREPAIR AND DIAGNOSISSTEERINGPOWER STEERINGPOWER RACK & PINION STEERINGOVERHAULPUMPREASSEMBLY
2004 Acura 3.5RL
Power Rack & Pinion Steering: Overhaul: Pump: Reassembly
2004 Acura 3.5RLSECTION Reassembly
- Install the new pump seal into the pump housing by hand first, then install the pump seal spacer. Insert the pump seal with its grooved side facing in.
- Position the pump drive shaft in the pump housing, then press it in with a 30 mm Attachment. Install the 40 mm snap ring with its radiused side facing out.
- Coat the pump cover seal and the cover bushing with the power steering fluid, then install the pump cover seal into the groove in the pump cover. Install the outer side plate over the two rollers. Set the pump cam ring over the two rollers with the "0" mark in the cam ring downward. See Fig 1 . Assemble the pump rotor to the pump cover. Set the 10 vanes in the grooves in the rotor. See Fig 2 . Be sure that the round ends of the vanes are in contact with the sliding surface of the cam ring.
- Coat the O-ring with power steering fluid, and install it into the grooves in the side plate. Install the side plate on the cam ring by aligning the roller set holes in the side plate with the rollers. Coat the O-ring with power steering fluid, and position it into the pump housing.
- Install the pump cover assembly in the pump housing. Coat the flow control valve with power steering fluid. Install the flow control valve and spring in the pump housing. Coat the O-ring with power steering fluid, and install it on the flow control valve cap. Install the flow control valve cap on the pump housing, and tighten it to specifications. See TORQUE SPECIFICATIONS .
- Coat the O-ring with power steering fluid, and install it into the grooves in the inlet joint. Install the inlet joint on the pump housing. Install the pulley, then loosely install the pulley nut. Hold the steering pump in a vise with soft jaws. Be careful; not to damage the pump housing with the vise.
- Hold the pulley with the a Universal Holder (07725-0030000), and tighten the pulley nut. Check that the pump turns smoothly by turning the pulley by hand.
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.