Relief Valve Spring Free Length and Load

Measure free length and tension of oil relief spring.

If the measured values of length or tension is less than the specification, replace oil pump relief valve set.

RELIEF VALVE SPRING FREE LENGTH AND LOAD SPECIFICATIONS

Item	Standard
Spring free length	63.5 mm (2.5 in.)
Spring preload	85.0 N for 52.0 mm (8.7 kgf for 52.0 mm, 19.0 lb/2.05 in.)

Fig 1: Checking Relief Valve Spring Free Length And Load

Courtesy of SUZUKI OF AMERICA CORP.