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kamran66

Boxster Power Steering Pump Replacement

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Boxster Power Steering Pump Replacement


Hi, I just replaced my power steering pump and I looked everywhere for a DIY guide, the only thing I found was the tensioner pulley removal which involves removal of the power steering unit in the shop manual, which was way too vague and incomplete, I will try to do do a better job in explaining but I'm taking who ever attempts this job is mechanically inclined with that said I will skip over the obvious parts such opening the engine access panel and removing the accessory belt (make sure you loosen the power steering pulley bolts before you remove the belt, because with the belt removed it the pulley will spin in place when you try to loosen the bolts). The task begins with first draining the power steering fluid, you don't want this stuff to drain on the rubber hoses because it's very corrosive. I used an automotive turkey baster tool the kind used to test the radiator fluid in a car to remove the Pentosin in the steering reservoir tank, I loosened the two power steering lines under the car (they're under a black plastic rock guard cover on the left side of the car) to drain the fluid in the lines... be careful there are special inserts in the steering line couplings so don't lose them when you pry them apart... as a matter of fact you don't need to pry them apart just loosen them and let them drain. There is about a liter of fluid in the rack and lines that will drain (so it's good idea to have a new can of Pentosin on hand). Next from the top of the engine remove the plenum intake (see picture). this will expose the two bolts on the back of the pump, now take note the plenum piece has a couple of vacuum hoses attached to it, one from the side and one from the bottom, you might want to remember how it hooks up before you fully remove it. Now here's the fun part first you need to remove the reservoir tank on top of the pump, it's got a quarter turn nut that hold it to to the top of pump, you simply turn it a quarter turn, shake it loose and pull up. (PIA Alert @#$%) Next you'll need to remove the line on the back of the pump, there is a red compression fitting that you have to simultaneously push in the red bushing while pulling the line out. I used two flat head screw drivers on either side of it fitting while my friend pulled the line, it was in there tight but I shook it a bit and the line slid out. OK the hard part is now almost over, remember after the plenum removal above I mentioned the two bolts on the back of the pump, well the one on the RH side is easy but the LH one is blocked by the A/C compressor so you have to undo the compressor's 3 bolts (one on each side on the 3rd is accessed through the intake manifold opening (see picture) and gently push it out of the way in order to remove the LH side bolt on the back of pump. Next from inside the cabin remove the steering pump pulley (3 bolts) to gain access to the face of the pump (see picture). Now loosen the pressure line and push it out of the way, then remove the other 3 bolts on the face of the pump. the pump should be free now, so just finesse the pump out of the hole by turning it side ways, have some rags ready to catch the residual from the pump as you turn it to take it out of the hole. I hope this will help..sorry about the clarity of the whole write up and forgive me if I left something out, the write up was an after thought. Regards Kamran66 2000 Boxster 120K Miles

 

Edited by kamran66

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I'd like to replace the overflow hose off the power steering reservoir. I want to replace it with a hose that'll run down to below the engine. That way, any overflow will not just drip onto the top of the block.

Anybody know, what size hose it is?

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In normal operation I have never seen anything come out of that hose. I think it is more likely a vent rather than an overflow.

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