QuestionI have a 99 dodge caravan 2.4 4 cylinder and I need to replace the power steering pump do you have any tips or tricks.
AnswerPOWER STEERING PUMP (2.4L ENGINE)
NOTE: Before proceeding with this procedure, review the SERVICE WARNINGS AND CAUTIONS at the beginning of the REMOVAL AND INSTALLATION section.
REMOVAL
Remove cap from power steering fluid reservoir.
Using a siphon pump, remove as much power steering fluid as possible from the power steering fluid reservoir.
Remove the (-) negative battery cable from the battery and isolate cable.
Remove the drive belt from the power steering pump pulley. See Cooling, Group 7 for detailed removal procedure.
Loosen but do not remove the nut attaching the front bracket for the power steering pump Power Steering Pump Bracket Attaching Nut to the aluminum mounting bracket
Raise vehicle on jack stands or centered on a frame contact type hoist. See Hoisting, in the Lubrication and Maintenance section of this MDS2 for the required lifting procedure.
Disconnect the oxygen sensor wiring harness from the vehicle wiring harness. Access to connection at vehicle wiring harness is through the oxygen sensor wiring harness grommet in the floor pan of the vehicle
NOTE: The exhaust system needs to be removed from the engine to allow for an area to remove the power steering pump from the vehicle.
Remove the catalytic converter from the exhaust manifold. Then remove all the exhaust system hangers/isolators from the brackets on the exhaust system.
Move the exhaust system as far rearward and to the left side of the vehicle as possible Exhaust Positioned For Removing Power Steering Pump
Raise the heat sleeve on the power steering return hose to expose the hose to steel tube connection Power Steering Return Hose At Return Line Remove the hose from the power steering fluid return line on the front suspension cradle Power Steering Return Hose At Return Line Allow the remaining power steering fluid to drain from the power steering pump and reservoir through the removed return hose
Remove the accessory drive splash shield Accessory Drive Splash Shield
Remove the power steering fluid supply hose coming from the remote fluid reservoir, from the fitting on the power steering pump Power Steering Hoses At Power Steering Pump Drain off excess power steering fluid from hose
Remove the power steering fluid pressure line Power Steering Fluid Pressure And Return Hose from the power steering pump. Drain excess power steering fluid from tube
Remove the power steering fluid return hose Power Steering Fluid Pressure And Return Hose from the power steering pump. Drain excess power steering fluid from tube.
Remove the nut attaching rear of power steering pump to the cast mounting bracket Power Steering Pump Attaching Nut
Loosen the 3 bolts Power Steering Pump Mounting To Front Bracket attaching the power steering pump to its front mounting bracket. Then remove the nut and the bolt Power Steering Pump Mounting To Front Bracket , attaching the power steering pump front to the cast bracket
Remove the power steering pump and the front bracket from the cast bracket as an assembly.
Remove the 3 previously loosened bolts attaching the front bracket to the power steering pump and separate the power steering pump from the front bracket prior to removing the pump from the vehicle.
The power steering pump is removed from the vehicle by pulling it out through the exhaust tunnel area in the floor pan of the vehicle.
If transferal of the power steering pump pulley is necessary, refer to DISASSEMBLY AND ASSEMBLY in this section of the MDS2.
INSTALLATION
Install power steering pump back in vehicle using the reverse order of its removal through the exhaust tunnel are of the vehicle.
Install the power steering pump on its cast mounting bracket and loosely install nut to hold pump in place Power Steering Pump Attaching Nut
Install the front bracket on the power steering pump and loosely install the 3 mounting bolts Power Steering Pump Mounting To Front Bracket Then install the nut and bolt attaching the front bracket to the cast bracket Power Steering Pump Mounting To Front Bracket
Tighten the 3 power steering pump mounting bolts Power Steering Pump Mounting To Front Bracket to a torque of 54 N·m (40 ft. lbs.)
NOTE: Before installing power steering fluid pressure hose on power steering pump, inspect the O-ring on the pressure hose for damage and replace if necessary.
Install the power steering fluid pressure line onto the output fitting of the power steering pump Power Steering Fluid Pressure And Return Hose Tighten the pressure line to pump fitting tube nut to a torque of 31 N·m (275 in. lbs.)
Install the power steering fluid, low pressure return hose on the power steering pump low pressure fitting Power Steering Fluid Pressure And Return Hose Be sure hose clamps are properly reinstalled.
Install the power steering fluid supply hose from the power steering fluid reservoir, on the power steering pump fluid fitting Power Steering Hoses At Power Steering Pump Be sure hose is clear of accessory drive belts all hose clamps are properly reinstalled.
Install the power steering pump drive belt on pulley. See Cooling, Group 7 for detailed installation procedure.
Install the accessory drive splash shield Accessory Drive Splash Shield
Install the power steering fluid return hose on the steel tube at the front suspension cradle Power Steering Return Hose At Return Line
Install a screw type hose clamp on the power steering hose to steel tube connection. Be sure hose clamps are properly reinstalled. Tighten the screw clamp to a torque of 2 N·m (18 in. lbs.)
CAUTION: The protective heat shield sleeves must cover the entire rubber hose and hose to tube connection portion of both the power steering fluid pressure and return hoses Power Steering Return Hose At Return Line This is required to prevent the overheating of the power steering hoses.
When used, properly position the protective heat sleeves on the power steering hoses Power Steering Return Hose At Return Line Then, tie strap the heat sleeves to the power steering hoses to keep them in their proper position.
Install the exhaust pipe on the exhaust manifold. Install all exhaust system hangers/isolators on the exhaust system brackets.
Connect the oxygen sensor wiring harness to the vehicle wiring harness. Install wiring harness grommet in the floor pan of the vehicle.
Lower vehicle.
Adjust the power steering pump drive belt. See Cooling, Group 7 for detailed adjustment procedure.
Tighten the top nut and bottom bolt on the power steering pump front mounting bracket Power Steering Pump Bracket Attaching Nut to a torque of 54 N·m (40 ft. lbs.)
Connect the negative battery cable on the negative battery post.
Perform the POWER STEERING PUMP INITIAL OPERATION service procedure listed in this section to properly fill and bleed the power steering system.
Inspect for leaks
