Exhaust Manifold - Exhaust noise
Models:
Vectra-B 96..., Calibra 90...
Engines:
2.5l
Option:
X25XE
Group:
L - Fuel- and Exhaust System
Troublecode:
Non
Complaint:
Noises or Vibrations
Accelerating from low engine speed range could generate exhaust noise (Similar to a leaky exhaust manifold).
Cause:
The noise in the exhaust system is caused by shock waves. Leaks are generally not the cause.
Production Solution:
From engine No. 08 146 958 (CW 34 /96) improved exhaust manifolds are used in production.
Special part:
No
Remedy:
In case of complaint install improved exhaust manifolds.
Cat /part-No. 58 50 033 /(90 572 308)