jeanD1010

The steering pump is leaking on my 2004 ES330. In looking for a replacement I am not sure if I need to buy a "pressed on" pulley pump or one where the pulley is retained by a nut. Thanks to anyone who can shed some lights on this.

John

LeX2K

If the pump comes with the pulley then in theory either version should bold up, I could be wrong. Have you looked at the pump in your car? Can tell the type by looking to see if there is a nut or not in the center of the pulley.

Are you sure the pump itself is leaking?

Rockauto has a bunch of pics that show the two types

jeanD1010

The replacement pump does not come with a pulley. It's kind of hard to get there to confirm. Was hoping to get the part 1st but may be a good idea to double check that it is indeed the pump and not one of the hozes. Thanks

LeX2K

Looks like the press on type comes with a pulley, the nut secured type does not. The high pressure line is almost always the first thing to start leaking, very common.

Oro

In my experience, these were press-on pulleys. You will need a puller to remove your existing one. You will need to be careful and use a wood drift or similar tehcnique to avoid damage.

Getting the upper feed line bolt off was exasperating. I had to purchase a low-clearance 18” breaker bar and access it from down the back side of the rear cylinder bank blind. A helper here would aid greatly. I made a post about the ins/outs of this repair a few years ago when I did it if you ant to search for it.

But again, like he has said, if it works w/o problem and is just wet, it’s more likely leaking from elsewhere. Make sure also it’s not just engine oil from a rear valve cover gasket and not AT/PS fluid. It drips there, too (and possibly why the hose is prone to leaking).