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The engine stops because the turbo hose is coming loose

Symptom: The engine stops or is low on power and emits black smoke.

The engine stops because the turbo hose is coming loose

Fault symptoms

The engine stops or is low on power and emits black smoke.

Conditions

The following conditions apply for this fault symptom:


The turbo hose may come loose once the car has been used for a time.


Diagnostic procedure




1. Clean inside the turbo hose carefully, and clean the outside of the pipe end. Use 30 15 815 cleaning agent.

2. Apply a thin layer of Loctite 4105, approx. 5-10 mm wide, around the pipe end.

3. Fit the hose with the hose clip on the pipe end as illustrated.

Tightening torque 4.5 Nm (3.5 lbf ft)


Note

It is very important for the glue to be applied in the correct place (approx. 5 mm behind the pipe end collar) so that it reaches beneath the hose clip position.