24mm Tri socket rental and new seal for the TDI Injection Pump center plug


This socket rental now comes with the pump head center plug o-ring seal.

Every once in a while we get a customer with a pump leak that is unlike most leaks. There is a center plug between the four injector lines that has an o-ring seal. This socket is required to remove and replace the center plug. We offer the sockets as rentals since repair is uncommon. $30 of this $50 is a core charge which you get back when you send the socket back.

This is a $15 rental of our specially machined 24 mm tri socket to replace the center plug seal on the TDI injection pump. Added to the rental price is a $5.00 prepaid US domestic USPS return shipping label to return the clean socket after the seal has been replaced. When you are finished with the repair, put the clean socket in the included prepaid padded envelope, seal it and drop it in the US mail when you are done. (If you are outside of the US you can email us for instructions on how to rent the tool.)

A $30 deposit is part of the $50 price and is refundable within 20 calendar days of placing a rental order for this socket, assuming the tool is returned in usable and clean condition. I reiterate clean since USPS will not accept the return envelope if smells like or is wet with diesel fuel or any other liquid.

Please select the shipping carrier and speed of outbound shipping you require during checkout.

Installation of center plug seal: Remove injector lines from engine. Remove center plug with our 24mm socket. Remove the old o-ring seal from center plug, clean the plug and o-ring groove thoroughly and then install the new o-ring seal included with this package. (Do not loosen the 12mm-headed calibration screw in the center of the center plug.) Replace center plug and injector lines, re-prime pump and start the engine. Check for leaks. There are no special tricks or anything to fall out of place when doing this procedure. It's a simple replacement of an o-ring and nothing more. "Good and tight" (Gutenteit) is the official Bosch torque spec.

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