Nissan 240sx S13 Brake System: power break unit, break pedal height and more

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Click on the link to see the complete article with images check it out here: Nissan 240sx Brake System (s13). Garage411.com

240SX brake system is operated hydraulically using a tandem master cylinder and vacuum power unit. All models have front and rear disc brakes.

BRAKE BLEEDING PROCEDURESCheck fluid level in master cylinder frequently during bleeding procedure. Bleed brake system in proper sequence.

* Nissan 240sx S13 1989-1994 - Sequence: LR, RR, LF, RF

ADJUSTMENTS

POWER BRAKE UNIT OUTPUT ROD1. Attach a hand-held vacuum pump to power brake unit supply port.Apply 20 in. Hg vacuum to power brake unit. Measure length of output rod extending from power brake unit housing.2. Adjust output rod length if necessary. If output rod length cannot be adjusted properly, replace power brake unit.

BRAKE PEDAL HEIGHT AND FREE PLAY1. Measure pedal height from pressure face of pedal pad to floor pan insulator, without carpet.

* AT: 7.3-7.7 Inches (186-196 mm) * MT: 7.0-7.4 Inches (177-187 mm)

2. To adjust pedal height, loosen brake booster input rod lock nut, and rotate input rod to attain proper height. Tighten lock nut, and adjust stoplight switch. Ensure pedal free play is .04-.12" (1.0-3.0 mm).

PARKING BRAKE1. Remove parking brake lever cover. Raise and support rear of vehicle. Pull up on parking brake lever using force of 44 lbs. (20 kg). Rear wheels should lock at appropriate lever stroke.

* 240SX: 6-8 notches

2. Adjust parking brake using adjusting nut located beside or below parking brake lever. After releasing lever, ensure rear wheels rotate freely and slack is not present at rear cables.

STOPLIGHT SWITCH AND AUTOMATIC SPEED CONTROL DEVICE SWITCH1. Both switches are located below dash panel, at brake pedal bracket. Adjust brake pedal height.

* AT: 7.3-7.7 Inches (186-196 mm) * MT: 7.0-7.4 Inches (177-187 mm)

2. Check clearance and position of switches. Clearance between brake pedal stopper rubber and threaded end of switch should be.01-.04" (0.3-1.0 mm). To adjust, loosen lock nut and turn switch body. After adjustment, tighten lock nut.

Click on the link to see the complete article with images check it out here: Nissan 240sx Brake System (s13). Garage411.com