Throttle Body Gasket ERR6623 For Land Rover Discovery Series II And Range Rover P38 With BOSCH Engine (See Fitment Years)

The valve cover gaskets in the 4.0 / 4.6 / 3.9 / 4.2 Bosch engine in older Rover models like the 4.0 / 4.6 Range Rover, Discovery Series II, Range Rover Classic are notorious for leaking.

Here is how to service them.

In this video, Doug, our Land Rover Master Technician, performs the valve cover gasket replacement on 2002 Discovery Series II (not equipped with secondary air).

Using valve cover gaskets Part # LVC100260 (you will need two gaskets in this service).

This video also covers removing the throttle body and replacing throttle body gasket (ERR6623) without disconnecting the coolant lines, removing and replacing the upper intake manifold gasket (ERR6621), and removing and replacing the oil separator (LLJ000010) as you have the passenger-side valve cover gasket off.

Doug will also discuss vehicles equipped with secondary air.

Questions about this video? Call us at 1-800-533-2210 or contact us via the question tab.

With 4.0 / 4.6 Bosch engines in older Rover models like the 4.0 / 4.6 Range Rover or Discovery Series II, the coolant regulated heater plate at the bottom of the throttle body are notorious for leaking.

This video shows you how to fix this leak.

Doug, our Land Rover Master Technician, removes and replaces the throttle body heater plate on a 2002 Discovery Series II.

We use the throttle body heater plate kit # MGM000010K in this service.

This video also covers removing the throttle body and replacing throttle body gasket (ERR6623).

Questions about this video? Call us at 1-800-533-2210 or contact us via the question tab.