©
2009 IMPCO Technologies, Inc.
-27-
2009 3.5/3.9L Impala CNG
T. Maintenance:
Maintenance consists of:
•
Periodic visual inspection of all vacuum lines and fittings.
•
Periodic visual inspection of all fuel lines and fittings.
•
Periodically check entire intake system for vacuum leaks.
•
Periodically check condition of all wiring.
•
Periodic CNG lockoff fuel filter replacement.
•
“Delta-P” fuel pressure manual inspection / adjustment.
Except for the “Delta-P” pressure check, all other maintenance items are in the
IMPCO Owner’s Guide
Supplement
. Consult the guide for maintenance schedules.
1) The Lockoff fuel filter replacement
requires the following parts:
Part #
Description
Qty
02BM03990001 Kit, Filter
1
PPI-A-021
Rev-B August 09
Copyright © 2009 IMPCO Technologies, Inc. All rights reserved. Reproduction by any means, electronic or mechanical, including
photocopying, recording, or by any information storage and retrieval system or translation in whole or part is not permitted without written
authorization from IMPCO Technologies, Inc.
Created and published by IMPCO Automotive Technical Publications
Summary of Contents for IMPALA 3.9L 2009
Page 1: ...Rev B...
Page 30: ......