Rebuild Service for '03-'09 Cadillac XLR Hydraulic Pump

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You send in your malfunctioning XLR convertible hydraulic pump unit 88958028, and we rebuild it for $750*.

Once we receive your pump, the turn around time is up to 1-3 days for rebuild service. We are certain that we make your pump better than new inside, performing well above spec.

If you need a pump quicker than that,

Click here to order a pump from our inventory with Core Exchange

$750.00

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Cadillac XLR Top Lift Pump Assembly p/n 88958028. The pump return ships filled with fluid. Please be sure to drain all fluid from your original pump and put plenty of absorbent material around the hydraulic line ports (where you pulled out the sixteen hoses) in order to soak up any residual fluid. Wrap in one or more large plastic bags, buffer your parcel well, and we sure to have a sturdy package. These pumps are hard to replace, so you don't want yours getting lost in shipping to us. Remove the mounting brackets.

 You send in your malfunctioning convertible hydraulic pump, and we rebuild it for $750*.

* there may be a surcharge for unusual damage from abuse, such as DIY repair attempts or fires, missing parts, or parts seriously damaged during transport. A shattered reservoir will cost you an extra $200, because it is not available from GM any more. A corroded motor does not incur a surcharge.

We service the electric motor, wiring harness, temperature sensor, noise suppression circuitry, clutch, rotating pump assembly, internal valves and electric solenoids. Of course, we replace and upgrade the internal seals in the pump. We make sure that all internal components are to spec, and replace any worn internal parts. The pump goes through extensive testing after the rebuild. It may not look as pretty as a brand new one, but we are certain that the inside of the pump is better than new - rebuilt and upgraded to last longer and exceed factory specs.

This pump return ships via USPS Priority Mail to residences, and via FedEx Ground to businesses.

FedEx Priority Overnight shipping is available only with the core exchange option.

The hydraulic pump unit is located under the LH taillight, inside the trunk. It is easy to swap. The hydraulic system also utilizes two main hydraulic cylinders 88957085, two deck lid cylinders 88957088, and three tonneau cylinders 88957086.  One latch cylinder 88957089 is used to latch the hard top with the header.
The hydraulic pump is comprised of a pump block, fluid reservoir, and a 12-Volt DC electric motor.  The fluid reservoir (with level indications on the side) is attached to the pump with a hose clamp.  Cadillac recommends that you use Univis HVI 26 hydraulic fluid.  Here at Top Hydraulics, inc. we use FeBi 02615 fluid in all of our hydraulic systems. 

Interactive Diagram:

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