HISSING NOISE/DRIVEABILITY ISSUES - DTC P0171/P0174 - LEAKING IMT O-RING - IMT O-RING AVAILABLE SEPARATELY
TECHNICAL SERVICE BULLETIN
Reference Number(s): XT303-13, Date of Issue: June, 2004
JAGUAR:2002 MY-ON X-TYPE
VIN:C00001-ON
Related Ref Number(s): SECTION XT303, NO. 13, XT303-13
ARTICLE BEGINNING
Issue
Some 2002 MY-ON X-TYPE vehicles may exhibit driveability/hesitation concerns. Customers may also complain about a hissing noise from under the hood.
The concern may be caused by a vacuum leak from the O-ring seal on the Intake Manifold Tuning (IMT) valve.
The O-ring is now available separately to avoid the need to replace the entire valve.
Action
In case of a customer complaint of the above condition check whether the Intake Manifold Tuning (IMT) valve O-ring seal has failed. If so, DO NOT replace the IMT valve since the O-ring seal is now a serviceable item. Follow the workshop procedure outlined below.
Workshop Procedure
Installing a new upper IMT valve O-ring seal.
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