TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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CL/Clutch System4 / 22
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CLUTCH PEDAL — MK4 Supra Clutch System, page 4
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CL–4 CLUTCH – CLUTCH PEDAL Push Rod Play and Freeplay Adjust Point Pedal Height Adjust Point Pedal Height Push Rod Play 004160 Pedal Freeplay CL0102 25 mm (0.98 in.) or more Release Point Full Stroke End Position Full Pedal Stroke CL0512 213795 CLUTCH PEDAL CLUTCH PEDAL CHECK AND ADJUSTMENT 1. CHECK PEDAL HEIGHT Pedal height from asphalt sheet: 146.2–156.2 mm (5.76–6.15 in.) 2. IF NECESSARY, ADJUST PEDAL HEIGHT Loosen the lock nut and clutch switch until the height is correct. Tighten the lock nut. HINT: Before rotating the clutch switch for pedal height adjustment, disconnect the clutch switch connector. 3. CHECK PEDAL FREEPLAY AND PUSH ROD PLAY Push in on the pedal until the beginning of clutch resistance is felt. Pedal freeplay: 5.0–15.0 mm (0.197–0.591 in.) Gently push on the pedal until the resistance begins to increase a little. Push rod play at pedal top: 1.0–5.0 mm (0.039–0.197 in.) 4. IF NECESSARY, ADJUST PEDAL FREEPLAY AND PUSH ROD PLAY (a) Loosen the lock nut and turn the push rod until the freeplay and push rod play are correct. (b) Tighten the lock nut. (c) After adjusting the pedal freeplay, check the pedal height. 5. INSPECT FULL PEDAL STROKE Full pedal stroke: 132.0–138.0 mm (5.20–5.43 in.) 6. INSPECT CLUTCH RELEASE POINT (a) Pull the parking brake lever and install wheel stopper. (b) Start the engine and idle the engine. (c) Without depressing the clutch pedal, slowly shift the shift lever into position until the gears contact. (d) Gradually depress the clutch pedal and measure the stroke distance from the point the gear noise stops (release point) up to the full stroke end position. Standard distance: 25 mm (0.98 in.) or more (From pedal stroke end position to release point) If the distance is not as specified, do the following operation. • Inspect pedal height. • Inspect push rod play and pedal freeplay. • Bleed the clutch line. • Inspect the clutch cover and disc.