Oil Filter: Service and Repair

1 Center bolt
2 Sealing ring Check, renew if required
3 Oil filter housing
4 O-ring Renew
5 Compression spring Observe installation position
6 Spring retainer For oil filter element
7 Oil filter element Ensure use of correct oil filter element
8 Screw fitting
9 Gasket Renew
10 Intermediate flange
11 Spring washer 3 required
12 Internal socket head screw 3 required
13 Sealing ring 1)
14 Screw fitting 1)
15 Sealing ring
16 Electric oil pressure transmitter

1) Not required for engines without air oil cooler: 116.960 from 1981, 116.962 and 117.967.

NOTE: New oil filters are supplied with initial operation filter elements which, on new engines, should be used up to the inspection at 1000-1500 km.

These filter elements have a limited life and must be replaced with filter elements if new filters are fitted to engines already run in.


Removal:





1 Remove oil filter housing.
2 On engines 116.960 standard version and 117.960 disconnect oil cooler line from intermediate flange.
3 Pull single-plug connection of electric line to the oil pressure indication in the instrument cluster from the oil pressure transmitter.
4 Unscrew fastening screws for intermediate flange and remove intermediate flange.
5 Remove remains of gasket from flange surface on crankcase.

First close the openings (arrows) in such a way that no remains of gasket can enter the oil ducts in the crankcase.


Installation:
6 Position intermediate flange with new gasket and tighten fastening screws for intermediate flange to 25 Nm.
7 On engines 116.960 standard version and 117.960, connect oil cooler line to intermediate flange and tighten coupling nut to 25 Nm.
8 Plug single-plug connection of electric line to oil pressure indication in the instrument cluster to the oil pressure transmitter.
9 If required. renew sealing ring of center bolt and oil filter element. Position oil filter housing with new O-ring and tighten center bolt to 40 Nm.

NOTE: If compression spring with spring retainer has been removed, reinstall part in such a way that the spring retainer faces towards the oil filter element.

10 Run engine and check for leaks.
11 Check oil level, correct if necessary.