LR3/Disco 3
8 . Install the coolant pressure pump assembly.
9 . Pressurize the cooling system.
10 . NOTE :
Depressurize the cooling system.
11 .
NOTE :
Remove the coolant expansion tank cap.
12 . NOTE :
Install adaptor K83 to the coolant expansion tank.
Connect to the 'T' piece.
Slowly pressurize the cooling system to 1.0 bar (100 kPa) (14.5 psi).
Check the pressure remains above 0.9 bar (90 kPa) (13 psi) after waiting for 30 seconds.
During the pressure drop check, listen for a hissing noise from the expansion tank cap.
If the coolant expansion tank cap is found to be leaking, replace the cap.
Disconnect the 'T' piece.
Connect the coolant expansion tank bleed hose.
Secure the clip.
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
2.
This adaptor is part of the cooling system test kit.
Clean the component mating faces.
Lubricate the seal.
