| Subject: | Intake Manifold Tuning Valve Assembly Exchange Program |
| Models: | 2006 Buick Terraza |
| 2006 Chevrolet Impala, Malibu, Malibu Maxx, Monte Carlo, Uplander |
| 2006 Pontiac G6, Montana SV6 |
| with 3.9L V6 Engine (VIN 1 - RPO LZ9) |
This bulletin is being revised to inform dealerships that the intake manifold tuning valve assembly exchange program for the 3.9L LZ9 engine for model year 2006 has ended. Please discard Corporate Bulletin Number 05-06-01-023 (Section 06 -- Engine/Propulsion
System).
The intake manifold tuning valve assembly exchange program for the 3.9L V6 engine (VIN 1 -- RPO LZ9) for model year 2006 has ended. It is no longer necessary to contact the Product Quality Center (PQC) prior to replacement of the 3.9L V6 intake manifold
tuning valve assembly. Technicians should use SI for normal diagnosis and repair procedures regarding the intake manifold tuning valve.
