Emissions - MIL ON/DTC P0456 (EVAP Small Leak)
NUMBER: 25-002-06GROUP: Emissions
DATE: April 21, 2006
NOTE:
THE StarSCAN(R) MUST BE AT VERSION 6.05_5P4 OR HIGHER.
SUBJECT:
MIL Illumination P0456 - Evaporative System Small Leak
OVERVIEW:
This bulletin involves inspecting the purge solenoid hose elbow and replacing the hose harness as required.
MODELS:
2007 (PM) Caliber
NOTE:
This bulletin applies to models equipped with a 1.8L, 2.0L, or 2.4L gasoline engine (sales code EBA, ECN, or ED3) built on or before March 30, 2006 (MDH 0330XX).
SYMPTOM/CONDITION:
Some vehicles built within the parameters above, may have a small cut in the lower elbow that attaches the purge solenoid to the hard tube. This cut may cause a leak that will be difficult to diagnose due to its size and location.
DIAGNOSIS:
Using a Scan Tool (StarSCAN(R)) with the appropriate Diagnostic Procedures available in TechCONNECT, verify all engine systems are functioning as designed. If DTC's are present record them on the repair order and repair as necessary before proceeding further with this bulletin.
If DTC's P0456 - Evaporative System Small Leak or to a lesser extent P0455 - Evaporative System Large Leak is present, proceed with the Repair Procedure
PARTS REQUIRED:
SPECIAL TOOLS / EQUIPMENT REQUIRED:
REPAIR PROCEDURE:
1. Open the hood and remove the air cleaner for access to the purge solenoid assembly.
2. Remove the purge solenoid electrical connector and disconnect the quick connect tube fittings.
3. Remove the purge solenoid assembly (tubes attached) by disconnecting the solenoid from its mounting bracket (Fig. 1).
4. Closely inspect the lower rubber elbow that attaches to the purge solenoid. (Fig. 2).
5. If a witness mark or cut/puncture is found, replace the Hose Harness with pn 05273420AB. Carefully remove the damaged hose from the solenoid. Use a small amount of soapy water to make replacement hose installation onto the purge solenoid easier.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
FAILURE CODE:
Disclaimer:
This bulletin is supplied as technical information only and is not an authorization for repair.