Toyota 31210-35210-84
Pressure Plate

Service and repair of the pressure plate begins by removing the transmission from the engine then disconnecting the clutch cover and disc by marking it up with matchmarks between the flywheel and clutch cover while loosening each bolt set by one turn at a time until spring tension is reduced. Carefully remove the clutch cover with the attached clutch disc while avoiding dropping the disc. The third step requires the removal of transmission components which include the boot together with the release bearing and fork. Inspect the clutch disc through an evaluation of rivet head depth that should be a minimum of 0.3 mm (0.012 inch) to determine if replacement is needed. Test the runout distance of the clutch disc with a dial indicator for no more than 0.8 mm (0.031 inch) and analyze the flywheel for no greater than 0.1 mm (0.004 inch) runout before making replacements as necessary. Inspect the pilot bearing by turning it by hand; if it sticks or has resistance, replace it by removing the 2 bolts at opposite points, using Special Service Tool: 09303-35011 to remove the pilot bearing, and then using Special Service Tool: 09300-30012 and a hammer to install the new pilot bearing, ensuring it rotates smoothly before installing 2 new bolts with specified torque values: 2RZ-FE Engine: 88 Nm (900 kgf-cm, 65 ft. lbs.), 3RZ-FE Engine: 26.5 Nm (270 kgf-cm, 19 ft. lbs.), and 5VZ-FE Engine: 85 Nm (850 kgf-cm, 63 ft. lbs.). Measuring the diaphragm spring for wear requires assessment of maximum depth at 0.6 mm (0.024 inch) and maximum width at 5.0 mm (0.197 inch), with replacement needed for both specifications. Inspection of the release bearing includes manual rotation; replacement should be performed if necessary. Place the clutch disc and clutch cover on the flywheel with Special Service Tool: 09301-00110. Realign the matchmarks while torquing the clutch cover bolts to 19 Nm (195 kgf-cm, 14 ft. lbs.). Then temporarily fasten the No. 1 and No. 2 bolts. Perform clockwise and counterclockwise movements on the diaphragm spring tip with the aid of a dial indicator. Verify a maximum non-alignment reading below 0.5 mm (0.020 inch) and adjust using Special Service Tool: 09333-00013 if required. The maintenance task includes applying 100 grams of grease part number 08887-01706 NLGI No. 2 molybdenum disulphide lithium base grease to three contact points of the release fork hub and push rod and release fork pivot point. Additionally, clutch spline grease should be applied to the clutch disc spline. Reinstall the transmission to the engine after fitting its boot followed by release bearing and fork installation.

The procedure of pressure plate servicing requires first freeing the transmission from engine position before unbolting the clutch cover and clutch disc by marking the flywheel with clutch cover as you loosen each bolt set one turn at a time to release spring tension so you can pull everything off without letting the clutch disc drop. First disconnect the transmission by removing the boot and clutch release fork and bearing before taking out their clip from the bearing. The clutch disc must be checked for wear and damage by measuring rivet depth as the minimum acceptable standard is 0.3 millimeters (0.012 inch). A new clutch disc should be installed if this measurement is not achieved. Verify clutch disc runout using a dial indicator while checking for values within a range of 0.8 mm (0.031 inch) and assess the flywheel runout that should not reach beyond 0.1 mm (0.004 inch) and consider a new flywheel if needed. The pilot bearing needs to be checked through manual rotation; if it shows signs of stiction or resistance it requires replacement while using tools 09303-35011 and 09304-30012 along with a hammer to remove and install the new bearing until smooth rotation occurs before torquing the two new bolts to 85 Nm (850 kgf-cm, 63 ft. lbs.). You must check the diaphragm spring for wear by measuring its maximum depth against a specification of 0.6 mm (0.024 inch) and maximum width against 5.0 mm (0.197 inch). Replace the clutch cover if warranted. To check the clutch release bearing's condition you should manually turn the component; if replacement is needed proceed with the necessary steps. Place Special Service Tool: 09301-0110 in the clutch disc to install it on the flywheel while matching the marks between the clutch cover and flywheel. Then apply 19 Nm (195 kgf-cm, 14 ft. lbs.) torque to the 6 bolts in the specified order until the disc stays centered and the tightening remains even. Inspection of the diaphragm tip alignment with dial indicator measurement requires maximum nonalignment to stay under 0.5 mm (0.020 inch). Adjustment using Service Tool: 09333-00013 can be made if necessary. Apply RELEASE HUB GREASE (Part No. 08887-01806 or equivalent) to the release fork and hub contact while CLUTCH SPLINE GREASE (Part No. 08887-01706 or equivalent) should be applied to input shaft spline. The final steps involve attaching the transmission to the engine after installing the transmission boot as well as clutch release bearing and clutch release fork while securing the clip to the release bearing.