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BRAKE PRESSURE REGULATOR NOTE: CAUTION: DO NOT adjust pressure regulator with brake pedal depressed. 1) Ensure fuel tank is full and spare tire is in trunk. Raise and support vehicle. Attach Pressure Gauges (VAG 1310) to left front brake caliper and right rear brake caliper/cylinder. Bleed pressure gauge and hoses through valve on gauges. 2) Lower vehicle and bounce rear of vehicle several times. Press on brake pedal until front brake pressure gauge reading equals pressure listed in 1st Reading column of BRAKE PRESSURES table. Hold brake pressure. Rear brake pressure gauge reading should be within specification in 1st Reading column of BRAKE PRESSURES table. 3) Release brake pedal. Press on brake pedal until front brake pressure gauge reading equals pressure listed in 2nd Reading column of BRAKE PRESSURES table. Hold brake pressure. Rear brake pressure gauge reading should be within specification in 2nd Reading column of BRAKE PRESSURES table. 4) Adjust spring tension on brake pressure regulator if rear brake pressure for 1st and/or 2nd reading is not within specification. Decreasing spring tension will reduce system pressure. Increasing spring tension will increase system pressure. Recheck regulator pressures and re-adjust regulator as needed. BRAKE PRESSURES TABLE1st Reading 2nd Reading Application psi (Bar) psi (Bar) Front Gauge Rear Gauge Brake pressure regulator is mounted on a bracket near rear trailing arm. See Fig. 1. ………. 725 (50) ………….

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Some customers may experience decreased air volume from the HVAC vents when the temperature is set to maximum heat. Use the following repair procedure to address the customer concerns. Production Change Information This TSB applies to vehicles produced BEFORE the Production Change Effective VINs shown below. MODEL Tacoma DRIVETRAIN All 2WD 4WD PLANT NUMMI TMMBC PRODUCTION CHANGE EFFECTIVE VIN 5TE###2N#9Z593323 3TM#U#2N#9M070971 3TM#U#2N#9M007845 Repair Procedure 1. Remove the Air Conditioning unit. Refer to the Technical Information System (TIS), model year repair manual: • 2007 / 2008 Tacoma Vehicle Interior – Heating/Air Conditioning – “Air Conditioning Unit: Removal” 2. Remove the 4 bolts and the lower defrost nozzle assembly. 3. Remove the 2 bolts and the heater to register duct. 4. Remove the No. 1 air duct. A. Remove the bolt. B. Disengage the 3 claws and remove the air duct. 5. Remove the air inlet assembly. A. Remove the air ?lter. B. Remove the 4 bolts and 1 clip that mount the air inlet assembly. C. Remove the cooler thermistor clip from the air inlet case. Figure 5. 6. Remove the mode damper control assembly. A. Remove the 3 bolts on the mode mounting plate. B. Remove the mode damper control assembly including mode cam, mode mounting plate, and mode control servo. 7. Remove the temperature damper control assembly. A. Remove the 3 bolts on the temperature control mounting plate. B. Remove the temperature damper control assembly including temperature control cam, mounting plate, and servo. Figure 9. 8. Remove the bolt and the heater pivot. 9. Remove the mode case. A. Remove the 11 bolts and 1 clip that mount the mode case. Figure 12. 10. Remove the evaporator core. Figure 13. 11. Remove the top half of the HVAC main case. A. Remove the torx bolt and heater pipe clamp. B. Remove the 2 clips and 15 bolts that mount the top half of the case. Figure 14. 12. Disengage and remove the heater air damper door from the HVAC main case. Figure 16.

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1. Disconnect battery ground cable (14301) . Refer to Section 14-01. 2. Remove steering wheel (3600) as described. 3. Remove steering column from vehicle as described. 4. Remove steering column lower yoke (3N725) , steering column upper bearing spring (3520) , suspension height sensor control ring (3C131) and steering column bearing tolerance ring (3L539) . Lower Steering Column Assembly 5. Remove turn indicator cancel cam (13318) by pushing up with flat-bladed screwdriver. Note direction of flush surface. 6. Remove ignition switch (11572) . 7. Remove bearing retainer (3C610) and steering column upper bearing spring . 8. Remove steel steering column bearing tolerance ring and steering column bearing sleeve (3518) . 9. Remove plastic bearing retainer from ignition switch lock cylinder bore. 10. Remove metal steering column lock housing bearing (3E700) from ignition switch lock cylinder bore. 11. Note position of steering column lock gear (3E717) to actuator lock. Remove steering column lock gear . 12. Remove two pivot bolts. Use caution as steering column position spring (3D655) will release when bolts are removed. Remove steering column lock cylinder housing (3511) . 13. Remove steering column shaft assembly from steering column. 14. Remove steering column lock lever actuator (3E715) and steering actuator housing (3F723) . 15. Remove lower steering column bearing (3517) and steering column lower bearing retainer (3D681) . 16. Remove tilt position lever pivot pin using a drift. Remove RH steering column locking lever (3B661) (RH and LH), steering column lock left hand lever (3D653) and steering column locking lever springs (3B664) . Assembly 1. Install steering column shaft assembly into steering actuator housing . 2. Install lower steering column bearing and steering column mounting bracket (3E660) . Tighten screws to 7-11 Nm (62-97 lb-in). 3. Install suspension height sensor control ring , steering column bearing tolerance ring , steering column upper bearing spring and steering column lower yoke to steering column shaft assembly. Tighten pinch bolt to 25-35 Nm (19-25 lb-ft). Item 1 2 3 4 5 A 4. Position actuator cam in steering column lock cylinder housing and install cam pivot pin with small hammer. Tap pin in until flush with steering column lock cylinder housing . 5. Install one steering column locking lever spring and RH steering column locking lever into steering actuator housing using a drift to hold in place. 6. Install the LH steering column locking lever spring and steering column lock left hand lever with steering column lock actuator lever pin (3F530) . Tap steering column lock actuator lever pin into place while driving out drift. Part Number N803942 3L539 3C131 3520 3N725 — Description Pinch Bolt Steering Column Bearing Tolerance Ring Suspension Height Sensor Control Ring Steering Column Upper Bearing Spring Steering Column Lower Yoke Tighten to 25-35 Nm (19-25 Lb-Ft)

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13 90 500 REPLACING TANK VENTING VALVE (S62) Interrogate fault memory of DME control unit. Switch off ignition. Location: Under intake air manifold at rear. Remove and install intake air manifold, refer to 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (S62) . Disconnect plug connection (1) on tank venting valve. Pull off tank venting valve together with rubber retainer from retainer. Press locking bracket (1). Remove hose (2). Pull off molded hose (3) from tank venting valve towards bottom. Remove tank venting valve. Installation: Apply a thin anti-friction rubber coating (e.g. petroleum jelly) to sealing surface of molded hose (3).

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1. Open hood. 2. Disconnect battery ground cable (14301). Refer to Section 14-01. 3. From inside vehicle, remove nuts retaining steering column tube boot (3C611) to cowl panel. 4. Remove bolt retaining steering column intermediate shaft coupling (3A525) to steering column lower yoke (3N725) . 5. Position steering column tube boot out of the way. Remove pinch bolt retaining steering column intermediate shaft coupling to power rack and pinion steering gear and remove steering column intermediate shaft coupling . 6. Raise vehicle on a twin post hoist and remove front wheel and tire assemblies. 7. Remove exhaust system flex tube-to-dual converter Y-pipe attachment. Disconnect heated oxygen sensor wiring harness. Remove dual converter Y pipe (5F250) from vehicle. Dual Converter Y Pipe Removal 8. Support vehicle with jack stands under rear edge of front sub-frame (5C145). 9. Remove tie rod cotter pins and nuts, and remove tie rod end (3A130) from RH front wheel knuckle (3K185) and LH front wheel knuckle (3K186). 10. Remove tie rod end from front wheel spindle tie rod (3280) . Mark position of jam nut to maintain alignment. 11. Remove nuts from steering gear-to-front sub-frame retaining bolts. 12. Remove rear sub-frame-to-body retaining bolts. 13. Raise twin post hoist carefully until rear sub-frame (5R003) separates from body approximately 102 mm (4 inches). 14. Remove heat shield push-pin retainers from power steering hose bracket (3C510). Remove steering shaft U-joint shield (3F540). 15. Remove screw and power steering left turn pressure hose (3A714) from power steering hose bracket . Remove two screws and power steering hose bracket. 16. Remove LH stabilizer bar link (5K484). 17. Disconnect power steering pressure switch electrical connector. 18. Rotate power rack and pinion steering gear to clear bolts from front sub-frame and pull left to ease line fitting removal. 19. Place a drain pan under vehicle and remove hydraulic power steering pressure hose and power steering return hose from fittings on power rack and pinion steering gear. 20. Remove power rack and pinion steering gear assembly through LH wheel well. Installation 1. Install new Teflon® O-rings on both line connector assemblies as described under Quick Connect Power Steering Fitting—Seal Replacement. 2. Place steering gear retaining bolts in steering gear housing (3548). 3. Install power rack and pinion steering gear through LH wheel well. 4. Install power steering hose bracket and two screws. Tighten to 9-12 Nm (80-106 lb-in). 5. Install hydraulic power steering pressure hose and power steering return hose to fittings on power rack and pinion steering gear. Tighten hoses to 33-41 Nm (25-30 lb-ft). 6. Install power steering pressure hose and and screw. Tighten to 9-12 Nm (80-106 lb-in). 7. Connect power steering pressure switch electrical connector. 8. Position power rack and pinion steering gear into front sub-frame. 9. Install tie rod ends onto front wheel spindle tie rods . 10. Install push-pin retainers at top of heat shield. 11. Install tie rod end to RHfront wheel knuckle and LH front wheel knuckle. Install nuts and tighten to 47-63 Nm (35-46 lb-ft). Install new cotter pins. 12. Install LH stabilizer bar link. Tighten to 76.5-103.5 Nm (57-76 lb-ft).