Service Manual

ISB, ISBe and QSB (Common Rail [...] Coolant Vent Lines
Section 8 - Cooling System - Group 08 Page 8-27
To buy Cummins Parts and Service Manuals, Training Guides, or Tools go to our website at https://store.cummins.com
Preparatory Steps
WARNING
Coolant is toxic. Keep away from children and pets. If
not reused, dispose of in accordance with local
environmental regulations.
WARNING
Do not remove the pressure cap from a hot engine.
Wait until the coolant temperature is below 50°C
[120°F] before removing the pressure cap. Heated
coolant spray or steam can cause personal injury.
CAUTION
Use caution when draining coolant so that it is not
spilled or drained into the bilge area. Do not pump the
coolant overboard. If the coolant is not reused, it
must be discarded in accordance with local
environmental regulations.
• Drain the engine coolant. Refer to Procedure 008-018
Remove
Disconnect the exhaust manifold coolant vent line from
the expansion tank and the top of the exhaust manifold.
Disconnect the turbocharger coolant vent line from the top
of the expansion tank.
Disconnect the turbocharger coolant vent line from the top
of the turbocharger.