Throttle Body Heater Plate Replacement Performed on Land Rover Discovery Series II

With 4.0 / 4.6 Bosch engines in older Rover models like the 4.0 / 4.6 Range Rover P38 or Discovery Series II, the coolant regulated heater plate at the bottom of the throttle body are notorious for leaking.

Here is how to service:

Watch Doug, our Land Rover Master Technician, remove and replace 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).

0:12 A common issue with 4.0 / 4.6 Bosch engines
0:34 Location of leaking heater plate
0:56 Kit to fix problem, included in kit
1:24 Disassembly of intake tube, breather hoses and throttle cables
4:14 Pinching off hoses
5:59 Throttle body comes off
6:44 See coolant buildup
6:59 Install new parts
7:35 Clean up throttle body
10:46 Pry off old gasket
11:42 Reassemble new gasket to throttle body
12:41 Throttle body is on
14:28 Clamps on. Hoses in place.
14:47 Cables back on
16:18 Reinstall intake tube
17:52 Connect mass air flow sensor
18:21 Ordering information

Parts List:
Throttle Body Heater Plate Kit:
https://www.roverparts.com/fuel-syste...
Throttle body gasket:
https://www.roverparts.com/fuel-syste...
Genuine Throttle Body Heater Plate Kit:
https://www.roverparts.com/fuel-syste...

Questions about this video? Call us at 1-800-533-2210 or contact us via live chat at roverparts.com.

For more how-to videos on the Discovery Series II and other Rover vehicles visit https://www.roverparts.com/resources/...

#atlanticbritish #discovery2 #throttlebody