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When a new brake master cylinder (2140) has been installed, or the brake system emptied or partially emptied, fluid may not flow from the bleeder screws during normal bleeding. It may be necessary to prime the system using the following procedure: 1. Use a tubing wrench to remove the brake lines from the master cylinder. 2. Install short brake lines in the brake master cylinder and position them so that they point back into the reservoir, and the ends of the pipes are submerged in brake fluid. 3. Fill the reservoir with new Ford High Performance DOT-3 Brake Fluid C6AZ-19542-AA or DOT-3 equivalent meeting Ford specification ESA-M6C25-A. 4. Cover the reservoir with a clean shop towel. 5. CAUTION: Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water. Pump the brakes until clear, bubble-free fluid comes out of both brake lines. 6. Remove the short brake lines and reinstall the ones from the vehicle. 7. Bleed each brake line at the brake master cylinder using the following procedure: a. Have an assistant pump the brake pedal 10 times and then hold firm pressure on the pedal. b. Loosen the front brake line fitting with a tubing wrench until a stream of brake fluid comes out. Have your assistant maintain pressure on the brake pedal until the brake line fitting is tightened again. c. Repeat this operation until clear, bubble-free fluid comes out from around the tubing fitting. d. Repeat this bleeding operation at the rear brake line fitting. 8. If any of the brake lines or calipers have been removed, it may be helpful to prime the system by gravity bleeding it. This should be done after the brake master cylinder is primed and bled. To prime the brake system: a. Fill the brake master cylinder reservoir (2K478) with new Ford High Performance DOT-3 Brake Fluid C6AZ-19542-AA or equivalent meeting Ford specification ESA-M6C25-A. b. Loosen both rear caliper bleeder screws and leave them open until clear brake fluid flows out. Be sure to check the reservoir fluid level often and not let it run dry. c. Tighten the bleeder screws. d. One at a time, loosen the front caliper bleeder screws. Leave the bleeder screws open until

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APPLIED VEHICLES: All Infiniti SERVICE INFORMATION • This bulletin is to assist you in responding to customer questions about brake operation, and provides diagnostic and repair information for each item listed, if any should occur. • Most brake issues fall into the following categories: a. Brake Noise: A squeak, squeal, clunk, or groan that occurs when the brakes are applied or released. b. Brake Judder: A vibration that can be felt in the vehicle, steering wheel, or brake pedal when the brakes are applied. c. Pedal Feel: The effort needed to operate the brakes is too high or too low. SERVICE PROCEDURE 1. Verify the condition by road testing the vehicle with the customer. 2. Determine the specific brake issue based on the description in the Service Information above. 3. Follow the appropriate repair procedure(s), listed on the following pages, for your specific issue. BRAKE NOISE • Brakes can make a range of noises when applied or released. Some noises are normal and no repair action should be taken. • Use the following descriptions to identify the specific type of brake noise and the appropriate repair: Squeak noise when the brakes are cold: • Usually occurs during the first few stops in the morning. • This is a normal condition. No service action is necessary Squeak noise with the brakes at normal operating temperatures: • Refer to technical bulletins specific to the model of vehicle regarding this issue. • If there are no bulletins for the car you are working on, install OE type pads using the information listed under Brake Service on page 5 of this bulletin and the appropriate Service Manual procedures. Notes about brake pads and brake noise: Original Equipment (OE) brake pads are installed on all current Infiniti vehicles at the factory. • The OE pads use a Non-asbestos Organic (NAO) compound. The NAO material provides state of the art resistance to squeal noise. • These pads are available as service parts and must be used if replacing brake pads under the terms of the Infiniti new car warranty.

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SYMPTOM/CONDITION: Front brake pads may exhibit excessive noise, squeal/shudder/vibration and/or lining life complaints. DIAGNOSIS: If the above condition is present, perform the repair procedure. REPAIR PROCEDURE: 1. Using the procedures outlined in TechCONNECT: Service Information tab /05 – Brakes, Base/Hydraulic Mechanical/PADS, Brake, Front/ Removal – remove the front pads. 2. Using the procedures outlined in TechCONNECT: Service Information tab /05 – Brakes, Base/Hydraulic Mechanical/ROTAR, Brake, Front/ Removal – remove and replace the front brake rotors (p/n 04721995aa). NOTE: Rotor replacement is recommended when switching to this type brake pad. Standard brake service procedures apply thereafter. 3. Install new pads (p/n 68053152aa).

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SYMPTOM The MIL is on, and DTC P2195 (rear air fuel ratio sensor signal stuck lean) or P2197 (front air fuel ratio sensor signal stuck lean) is set. PROBABLE CAUSE The ECM/PCM software incorrectly interprets sensor inputs, causing the codes to set. CORRECTIVE ACTION Using the HIM (Honda Interface Module), update the ECM/PCM with the iN monthly CD, dated August 2004 or later. REPAIR PROCEDURE NOTE: • Before you update an ECM/PCM, make sure the battery in the vehicle is fully charged. • To prevent ECM/PCM damage, do not operate anything electrical (audio system, brakes, A/C, power windows, moonroof, etc.) during the update. 1. If not already done, load the May 2004 or later iN CD onto the iN master terminal. Loading instructions are included with the CD. 2. Update the ECM/PCM software with the HIM. For updating instructions, refer to Programming the HIM and Updating an ECM/PCM With a Programmed HIM in Service Bulletin 01-023, Updating Control Units/Modules. 3. Warm up the engine to operating temperature, then shut if off. 4. Do the ECM/PCM RESET and the CKP PATTERN CLEAR with the HDS.

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Some 2006 E-Series 350 extended body vehicles equipped with a 5.4L engine may exhibit a Roll Stability Control (RSC) indicator light on with diagnostic trouble code (DTC) C1288. ACTION Follow the Service Procedure steps to correct the condition. SERVICE PROCEDURE 1. If a DTC C1288 code is discovered in the RSC module, replace the Anti-Lock Brake System (ABS) Module, refer to Workshop Manual (WSM), Section 206-09. 2. Firmly press and release the brake pedal while monitoring the MC_PRES PID. Does the PID increase with firm pressure on the brake pedal and then decrease with the brake pedal released? a. Yes: Return the vehicle to the customer. b. No: Install a new hydraulic control unit (HCU) . Refer to WSM, Section 206-09 Hydraulic Control Unit – Traction Control and Stability Assist. Calibrate the ABS module. Follow the scan tool directions for the calibration procedure. Clear the DTCs. Carry out the self-test with the brake pedal not applied, per the WSM, Section 206-09. 2006 Econoline E-350 5.4L 2.4 Hrs. Engine: Check Diagnostic Trouble Codes, Replace The ABS Module, Verify Repair, Concern Still Exists, Replace The HCU Includes Time To Bleed Brakes, And Calibrate The ABS Module (Do Not Use With 2000A, 2219D, 2219D6, 2219D11, 2219D11ZH, 12651D, 12651D4)