Oil pressure difference that makes the oil filter bypass valve open … 20 ± 4 psi(140 ± 25 kPa)
Oil pressure difference that makes the oil cooler bypass valve open … 18 ± 4 psi(125 ± 25 kPa)
TYPICAL EXAMPLE
(1) 9L9188 Spring (oil cooler and oil filter bypass valve):
Length under test force … 1.70 in.(43.2 mm)
Test force … 3.5 lb.(15.6 N)
Free length after test … 2.28 in.(57.9 mm)
Outside diameter … .440 in.(11.18 mm)
(2) Oil filter bypass valve.
(3) Torque for nuts that hold oil cooler core to oil cooler base (hand torque only) … 16 ± 2 lb.ft.(22 ± 3 N·m)
NOTE: Assemble gasket to oil cooler base with indexing point toward the front of the engine and in the up position.
(4) Torque for fitting … 19 ± 4 lb.ft.(25 ± 5 N·m)
(5) Torque for cap … 15 ± 4 lb.ft.(20 ± 5 N·m)