Operation CHARM: Car repair manuals for everyone.

Checking Oil Pressure

Standard External Oil Pressure Gauges

Part 1 of 2:




Part 2 of 2:





Shop-Made Tool For Checking Pressure Through Oil Filter Housing





Oil Filler Cap With Connection
a. Drill 8 mm diameter hole in center of oil filter cap (1).
b. Hollow drill hexagon socket bolt (4) 2 mm diameter.
c. Tap M6 thread in connection fitting (2).
d. Screw connection fitting (2) with seals (3, 5) onto oil filter cap (1) with hexagon socket bolt (4).

Commercially Available Connecting Fittings
12 X 1.5 mm fitting
10 X 1.0 - 12 X 1.5 mm fitting