Recall - Throttle Body Air Screw Adjustment: Overview
04-011February 26, 2004
Applies To:
Product Update: Throttle Body Air Bleed Screw
BACKGROUND
During some driving conditions, the vehicle may emit a level of emissions that exceeds state and federal emissions standards.
CUSTOMER NOTIFICATION
All owners of affected vehicles will be sent a notification of this campaign. An example of the customer notification is shown in this service bulletin.
Before beginning work on a vehicle, verify its eligibility by checking at least one of these items:
^ The customer has a notification letter.
^ The vehicle is shown on your campaign responsibility report.
^ The vehicle is shown as eligible on an iN VIN status inquiry.
In addition to the bulleted verification items, check for a punch mark above the 10th character of the engine compartment VIN. A punch mark in that location means this campaign has already been done.
Some vehicles affected by this campaign may be in your used vehicle inventory. Those vehicles must be repaired before they are sold or leased. To see if a vehicle is affected by this campaign, do a VIN status inquiry before selling it.
CORRECTIVE ACTION
Adjust the throttle body air bleed screw.
WARRANTY CLAIM INFORMATION
Operation Number: 120303
Flat Rate Time: 0.2 hour
Failed Part: P/N 16400-PAA-A11
H/C 5428982
Defect Code: 5AJ
Symptom Code: P21
Template ID: 04-011A
Skill Level: Repair Technician
REPAIR PROCEDURE
1. If needed, expose the air bleed screw by removing the material covering it.
2. Turn the air bleed screw clockwise until it's fully seated. Do not overtighten the screw.
3. Turn the air bleed screw counterclockwise two full turns.
4. Do the idle learn procedure:
^ Make sure all electrical items (A/C, audio unit, lights, etc.) are off, then start the engine.
^ Let the engine reach normal operating temperature (the cooling fans cycle twice).
^ Let the engine idle (throttle fully closed) for 10 minutes.
5. Center-punch a completion mark above the 10th character of the engine compartment VIN.
6. For California residents only: Fill out and give to your customer a Vehicle Emission Recall - Proof of Correction certificate. On the certificate, write down P21 as the Recall Number. Advise your customer to keep this certificate as proof that the product update was completed. They will need to submit this certificate to the DMV if the DMV requests it. A supply of these salmon-colored certificates was sent to your service manager. If you need more, use reorder number Y0657.
Disclaimer