350SDL (126.135) L6-3.5L DSL Turbo (603.970) (1990)
ENGINE 119
Models 124, 129, 140
1.
Reclaim and recycle A/C refrigerant.
2.
Remove radiator fan cowl (model 129 only).
3.
Remove engine compartment encapsulation panels.
4.
Release tension and remove poly-V-belt.
5.
Remove air cooling duct for left engine mount, level control oil supply line from oil pan to pump and oil line for engine oil cooler (model 124
only).
6.
Disconnect 3-pole connector (A9X1) on A/C compressor.
7.
Disconnect torsion bar at forward mounts. Replace self-locking nuts and bolts (models 124, 140 only).
8.
Remove screw (14) securing suction/discharge line to manifold.
Tightening torque: 23 +/- 2.3 Nm (124, 129) 17 +/- 3 Nm (140).
9.
Remove bolts (7). Tightening torque: 23 Nm.
10.
Remove A/C compressor downwards.
11.
Remove manifold. Remove shipping plate from remanufactured unit only after releasing pressure via the schrader valve. Install manifold and new
O-rings onto remanufactured unit.
12.
Correct oil level in compressor (compensate for oil loss if additional components were replaced).
13.
Reinstall in reverse sequence.
Note:
If clutch must also be replaced, see section H.