LR3/Disco 3
Cooling System Pressure Test
NOTE :
NOTE :
1 . Disconnect the battery ground cable.
Specifications
2 . Raise and support the vehicle.
3 . Remove the radiator access panel.
4 . Examine the coolant hoses for signs of cracking, distortion and security of the hose connections.
5 .
NOTE :
Disconnect the coolant expansion tank bleed hose.
6 . Install the 'T' piece adaptor (part of the cooling system test kit) between the coolant expansion tank and the coolant
bleed hose.
7 . Check the pressure pump and gauge prior to connection.
Published : Apr 18, 2005
The following procedure will enable the cooling system to be pressure tested for condition and leaks. Stage 1 will
check the expansion tank cap register seal and the cap for leaks. Stage 2 will check the the entire cooling system.
It will be necessary to use the cooling system test kit, Part Number 511 3301 006 00, which is available under the
equipment programme.
Remove the 4 bolts.
WARNING: Since injury such as scalding could be caused by escaping steam or coolant, allow the
vehicle cooling system to cool prior to carrying out this procedure.
Stage
1.
Release the clip.
Secure with the 2 clips.
Operate the pump plunger twice noting the reading on the pressure gauge. Make sure the pressure reading
remains constant until the pressure release button is pressed.
