300TD (123.193) L5-3.0L DSL Turbo (617.952) (1984)
1
Remove oil filter.
2
Unscrew valve seat ring (17) by means of socket.
3
Remove return flow locking valve (16) with compression spring (15), spring retainer (13), compression spring (10) and thermostat (11) with
control valve (12).
Installation
5
Insert thermostat (11) with control valve (12), compression spring (10), spring retainer (13) and return flow locking valve (16) with compression
spring (15).
6
Tighten valve seat ring (17) by means of socket to 35 - 45 Nm.
7
Peen valve seat ring in both recesses on oil filter housing (arrows) by means of a cross chisel.
8
Install oil filter with new gasket.
9
Run engine at idle and check for leaks.
10
Correct oil level.