Engine Controls - Ticking Noise From Left Bank Of Engine

Classification: EC08-010B

Reference: ITB08-028B

Date: October 23, 2009

2008 G37 COUPE; NOISE FROM BANK 2 VVEL ACTUATOR

The ECM Part Number Table and ACTION have been amended. PARTS INFORMATION has been deleted. Please discard all earlier versions of this bulletin.

APPLIED VEHICLE: 2008 G37 Coupe (CV36)

IF YOU CONFIRM:

A slight ticking / tapping / knocking noise coming from the Bank 2 (driver side) VVEL (Variable Valve Event & Lift) actuator.

ACTION:

1. Refer to Step 2 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on.

2. If this bulletin applies; reprogram the ECM.





CLAIMS INFORMATION

IMPORTANT:
The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.

SERVICE PROCEDURE

1. Connect C-III to the vehicle to begin the reprogramming procedure.





2. When you get to the ECM Reprogramming screen shown in Figure 1, confirm this bulletin applies as follows:

A. On your C-III screen, look at the Part Number column (see Figure 1):

^ If this column is blank (no part number listed), this bulletin does not apply. Close C-III and refer to ASIST for further diagnostic information.

^ If a Part Number is listed, write it on the Repair Order.

B. Go to C below.





C. Compare the Part Number you wrote down to the numbers in the Current ECM Part Number column in Table A.

^ If there is a match, this bulletin applies; continue with the reprogramming procedure.

NOTE:
If there are two lines (two reprogramming options) on your C-III screen, use the one that does not have the message "Caution! Use ONLY with ITBXX-XXX".

^ If there is not a match, this bulletin does not apply. Close C-III and refer to ASIST for further diagnostic information.





3. If this bulletin applies and you have performed ECM reprogramming, the screen in Figure 2 displays when the reprogramming is completed.

4. Make sure to erase DTCs from all Systems.

NOTE:
During the reprogramming, DTCs will set in several systems and must be erased.

5. Test drive the vehicle and make sure it operates correctly and the Check Engine light is OFF.

^ If the Check Engine light comes ON; diagnose, perform repairs, and erase DTCs.

^ Diagnosis and repairs beyond the ECM reprogramming are not covered by this bulletin.