# Service bulletin ITB\-09\-037

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10030576
- Published by NHTSA: 2009\-10\-23
- Manufacturer's number: ITB\-09\-037
- Manufacturer's date: 2009\-08\-06
- NHTSA component: SERVICE BRAKES, ELECTRIC

## NHTSA's summary

INFINITI: WHILE BRAKING, ESPECIALLY WHEN BRAKING AT HIGHWAY SPEEDS, THE STEERING WHEEL SHAKES AND/OR THE BODY VIBRATES AND/OR THE BRAKE PEDAL PULSATES \(ALSO KNOWN AS BRAKE JUDDER\). \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Brakes

## Vehicles listed

- 2007 to 2009 INFINITI G35
- 2008 to 2009 INFINITI G37

## Other bulletins for the same vehicles and component

- [ITB10\-074B](/bulletins/10233611.md), 2023-04-04, Service bulletin: SERVICE BRAKES. ABS/VDC CAN DIAGNOSIS INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- [ITB13039A](/bulletins/10192639.md), 2021-05-10, Service bulletin: BACK OVER PREVENTION; WHEELS; SERVICE BRAKES; LANE DEPARTURE. SERVICE INFORMATION This bulletin has compiled Tire Pressure Monitor System \(TPMS\) and Low Tire Pressure Warning System \(LTPWS\) information for: \- Basic diagnosing of TPMS/LTPWS systems \- Radio frequency interference causing a "No Data" \(C1708, C1709, C1710, C1711\) condition \- Sensor leaks \- Moving TPMS/LTPWS wheel assemblies from one vehicle to another and TPMS/LTPWS sensor registration \- Air pressure changes with altitude and ambient temperatures \- Aftermarket tire sealers \- Aftermarket wheels \- Inflating/deflating tires with TPMS/LTPWS sensors See this bulletin for further detail.
- [ITB15025](/bulletins/10192598.md), 2021-05-10, Service bulletin: BACK OVER PREVENTION; EQUIPMENT; WHEELS; SERVICE BRAKES; STEERING. SERVICE INFORMATION When servicing run flat tires or low profile tires: \- Special equipment and procedures are required to avoid damage. \- Specifically, Tire Pressure Monitor transmitters \(TPMS sensors\) can be damaged when improperly dismounting and mounting tires. \- TPMS sensors becoming damaged during mounting or dismounting tires are not covered under warranty. \- To avoid such damage, ensure that the tire changer being used and the operator of the tire changer are capable of servicing run flat and low profile tires. \- Operator?s manuals for such tire changers must be followed. See this bulletin for further detail.
- [ITB13005B](/bulletins/10192531.md), 2021-05-10, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT; SERVICE BRAKES. IF YOU CONFIRM: The clutch pedal on an applied vehicle does not return to its normal \(rested\) position after being depressed to the floor OR the customer states the clutch pedal on an applied vehicle does not return to its normal \(rested\) position after being depressed to the floor AND there are no leaks in the clutch hydraulic system. ACTION: Flush \(remove\) ALL existing clutch hydraulic system fluid, and refill with GT\-R R35 Special Brake Fluid \(see PARTS INFORMATION\). \- Use the SERVICE PROCEDURE in this bulletin for proper flush and refill procedure. See this bulletin for further detail.
- [ITB00024F](/bulletins/10192219.md), 2021-05-10, Service bulletin: STEERING; SUSPENSION; SERVICE BRAKES. 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. See this bulletin for further details.
- [ITB04038A](/bulletins/10192218.md), 2021-05-10, Service bulletin: SERVICE BRAKES; STEERING; WHEELS. If YOU CONFIRM: A vehicle needs to have the brake rotors resurfaced \(front or rear\). ACTION: Use the ProCut PFM Series on\-car brake lathe to perform brake rotor resurfacing and follow the tips listed in this bulletin. \- The ProCut PFM Series brake lathe has been chosen as the approved tool for rotor resurfacing. \- The ProCut PFM Series brake lathe can be ordered from TECH\-MATE at 1\-800\-662\-2001. \- ProCut technical support or service can be obtained by calling 1\-800\-543\-6618. NOTE: Brake rotors may need to be resurfaced during routine brake repair or for brake "judder" incidents. \- Brake judder: A brake pedal pulsation and/or steering wheel shimmy when braking that occurs when there is too much thickness variation of the brake rotors \(see ITB00\-024\). See this bulletin for further detail.
- [ITB00\-024g](/bulletins/10127461.md), 2018-01-29, Service bulletin: SERVICE BRAKES. BRAKE NOISE/JUDDER/PEDAL FEEL DIAGNOSIS AND REPAIR This bulletin has been amended to include vehicles built up to the publication date. Also, tips for using the ProCut? brake lathe were added on page 8, and a Brake Noise Diagnostic Worksheet was added on page 10. Please discard previous versions of this bulletin.
- [ITB\-10\-056\-A](/bulletins/10046600.md), 2012-10-17, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING. INFINITI: INFORMATION PROVIDED REGARDING ACCURATE DIAGNOSIS OF ABS/VDC WHEEL SPEED SENSORS ON CERTAIN VEHICLES. MODELS 2007\-2013 INFINITI. \*PE

JSON: [/v1/bulletins/10030576](/v1/bulletins/10030576)

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