D
Group 177 Preventive Maintenance
92
Check Exhaust Pipe and Silencer
Note: This check is also considered Noise Emissions
Control Maintenance, which is required maintenance
for any Volvo vehicle. For further information on Noise
Emissions refer to “Noise Emissions” page 5.
To perform a check of the exhaust pipe, silencer or
particulater, complete the following
•
Check if there is exhaust leakage around the exhaust
ports on the cylinder heads, at the intake and exhaust
manifolds, and at the flanges; exhaust pipe(s) and
silencer.
•
Check if there is exhaust leakage at the jointing clamp
for the front exhaust pipe.
93
Check Rear Springs and U-Bolts
To perform a check of the springs and U-bolts, complete
the following:
1 Check the springs for damaged or broken leaves.
2 Check the spring bushing location in the spring eye.
3 Inspect the U-bolts for signs of movement or wear.
4 Check that the spring center is aligned with the center
of the spring pad. Verify this alignment by inspecting
the underside of the spring to see if there are any signs
of movement between the spring and the axle member.
94
Check Anti-Roll Bar
Not applicable to VN/VHD and VT vehicles.
93
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