300SDL (126.125) L6-3.0L DSL Turbo (603.961) (1987)
The procedure for removal of the trap oxidizer and installation of an oxidation catalyst is divided into the following steps:
A.
Models 123.133/153/193, engine 617.952 and Model 126.120, engine 617.951
B.
Models 124.133/193, engine 603.960
C.
Model 126.125, engine 603.961
Procedure
A.
Models 123.133 (153/193, engine 617.952 and Model 126.120, engine 617.951
1.
Remove trap oxidizer (refer to SMS 14-480 (trap oxidizer is referred to in SMS 14-480, as soot combustion filter).
2.
Install oxidation catalyst in place of trap oxidizer (install oxidation catalyst using same procedure described in SMS 14-480, under installation of
trap oxidizer).
B.
Models 124.133/193, engine 603.960
1.
Remove trap oxidizer (SMS 14-0100).
2.
Install trap oxidizer replacement pipe in place of trap oxidizer (install trap oxidizer replacement pipe using same procedure described in SMS
14-0100, under installation of trap oxidizer).
3.
Remove entire exhaust system (SMS 49-7000, subject B (subheading a: Without oxidation catalyst]).
4.
Install oxidation catalyst and front pipe assembly in place of front pipe (SMS 49-7000, subject B [subheading b: With oxidation catalyst]).
5.
Install new resonator and new rear muffler then connect to oxidation catalyst (SMS 49-7000, subject B [subheading b: With oxidation catalyst]).
C.
Model 126.125 engine 603.961
1.
Remove trap oxidizer (SMS 14-0100).
2.
Install trap oxidizer replacement pipe in place of trap oxidizer (install trap oxidizer replacement pipe using same procedure described in SMS
14-0100, under installation Of trap oxidizer).
3.
Remove front exhaust pipe (SMS 49-7000 subject C).
4.
Install oxidation catalyst and front pipe assembly in place of front pipe, connect to resonator.
Note:
Inspection of the turbocharger as described in SMS 14-480 (engine 617.95) must be performed for all vehicles mentioned in procedures A - C. If
replacement of the turbocharger is necessary (due to damage caused by the trap oxidizer), replacement of the turbocharger will be covered under
warranty.