For 1990-2009 cars only
Whistle Noise From Intake Manifold/Throttle Body (Replace Intake Manifold)
| Subject: | Whistle Noise From Intake Manifold/Throttle Body (Replace Intake Manifold) |
| Models: | 2001 Chevrolet Corvette |
| with 5.7L Engine (VINs G, S -- RPOs LS1, LS6) |
Condition
Some owners may comment on a whistle noise coming from either the intake manifold or the throttle body. The noise is most noticeable between 1100 and 2000 RPM.
Cause
This condition may be the result of airflow through the intake manifold.
Correction
Replace the intake manifold with the part listed below. Refer to the Intake Manifold Replacement procedure in the Engine Mechanical - 5.7L sub-section of the Service Manual (SI Document ID #642853).
Parts Information
Part Number | Description | Qty |
|---|---|---|
88894339 | Manifold, Intake | 1 |
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
J0250 | Manifold, Intake - Replace | Use Published Labor Time |
