Testing oil pressure - RA18001040070X(18-0070)

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

Testing oil pressure through connection drilling at oil filter

Fig 1: Testing Oil Pressure

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Screw plug (8) with seal (6)	detach from oil filter (7), attach (15 Nm).
Connection fitting or adaptor fitting (5) with seal (6)	attach to oil filter (7), detach (15 Nm).
Pressure pipe (3)	attach to connection fitting or adaptor fitting (5), detach.
T valve (2)	close (turn to close).
Oil level	check, adjust to correct level.
Dipstick (10)	remove, install.
Temperature sensor of remote thermometer (9) 124 589 07 21 00	insert into dipstick guide tube.
Engine	run. Check oil pressure at stated engine speeds and temperatures, see table.

Testing oil pressure through oil filter cap

Fig 2: Testing Oil Pressure Through Oil Filter Cap
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Oil filter cap

unscrew, screw on. (18-0020) .

Oil filter element

replace.

Oil filter cap (01)

screw onto test connection (shop-made tool) (20 Nm).

Delivery pipe (3)

fit onto test connection, disconnect.

T valve (2)

close.

Oil level

check, adjust to correct level.

Dipstick (10)

remove, install.

Temperature sensor of remote thermometer (9) 124 589 07 21 00

insert into dipstick guide tube.

Engine

run and check oil pressure at stated engine speeds and temperatures; see table.

Engine speeds in rpm

Engine oil pressure in bar at oil temperature of about 80 °C ⁽¹⁾

600 - 750

approx. 1.3

1000

approx. 2.2

2000

approx. 4.8

3000

approx. 5.1

4000

approx. 5.3

⁽¹⁾	Oil filter element replaced

Special tools

Fig 3: Identifying Special Tool (103 589 00 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Special Tool (124 589 07 21 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

COMMERCIALLY AVAILABLE TOOLS

M12 X 1.5 connection fitting (5)	915 006 004 002 (DIN)
M10 X 1 - M12 X 1.5 adapter fitting (5)	915 007 004 001 (DIN)

Shop-made tool

Oil filter cap with test connection

Drill Ø 8 mm hole in center of oil filter cap (1).
Hollow-drill hexagon socket bolt (4) Ø 2 mm.
Tap M6 thread in connection fitting (2).
Screw connection fitting (2) with seals (3, 5) onto oil filter cap (1) with hexagon socket bolt (4).

Fig 5: Identifying Oil Filter Components
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.