landrover Workshop Repair Guides

Land Rover Workshop Service and Repair Manuals

Oil Pressure Regulator Valve|Specifications|Page 4069 > < Oil Pressure Regulator Valve|Specifications
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Oil Pressure Regulator Valve: Testing and Inspection

Oil Pressure Regulator Valve

NOTE:  Overhaul procedures for the oil pump and oil pressure relief valve are limited to carrying out dimensional checks. In the event of wear or
damage being found, a replacement timing cover and oil pump assembly must be installed.

1. Clean relief valve components and piston bore in timing cover.
2. Check piston and bore for scoring and that piston slides freely in bore with no perceptible side movement.
3. Check relief valve spring for damage and distortion; check spring free length:

Spring free length: 60.0 mm. 

Oil Pressure Regulator Valve|Specifications|Page 4069 > < Oil Pressure Regulator Valve|Specifications