Note. The procedures below require a plunger-type dial meter and a heat source (e.g. blowtorch).
Note. To gain access to the flywheel, the engine or transmission must be removed from the vehicle. The choice depends on the availability of lifting equipment.
Removing
1. Remove the engine or transmission.
2. Mark the position on the clutch basket flywheel. Gradually loosen and unscrew the mounting bolts, remove the basket from the flywheel guide pins and remove the clutch from the car (clutch components are shown in the accompanying illustration).
1 - bolts; 2 - assembly of a basket with a pressure plate; 3 - diaphragm spring; 4 - friction lining; 5 - hub; 6 - driven disk; 7 - flywheel
3. Block the flywheel from turning and turn out the bolts of its fastening.
4. After marking the position of the flywheel on the crankshaft, carefully remove it.
Installation
Installation is in the reverse order.
1. Carefully achieve the alignment of all landing marks applied during dismantling and tighten all fasteners with the required force (see tables of sizes and adjustments at the end of the guide).
2. Center the clutch disc on the crankshaft guide using a replacement transmission input shaft or special tool. Gradually tighten the basket mounting bolts diagonally.
Status check
1. Measure the runout value of the working (in contact with the clutch disc) flywheel surface. If the measurement result exceeds 0.1 mm both on the flywheel put on the crankshaft and on the flywheel removed from it, the latter should be replaced.
2. Check the flywheel running surface for cracks, nicks and deep scratches.
3. Inspect the crown teeth for chips, cracks, or other damage. The ring gear must be replaced separately from the flywheel.
Ring gear replacement
1. Remove the flywheel from the vehicle and drill a ø 3 mm hole between the two ring teeth.
Note. The hole must not be through to avoid damage to the flywheel flange.
2. Place a chisel over the drilled hole and split the crown with sharp hammer blows.
3. Remove the crown from the flywheel, then remove any burrs and burrs from the seating surface.
4. Polish several areas on a new ring gear with sandpaper and start heating the latter until the polished areas turn a dark blue tint.
5. Quickly slide the crown onto the flywheel with the chamfered teeth up and away from the flywheel flange. Make sure that the crown is firmly seated and tightly pressed against the flange.
Attention! Allow the crown to cool naturally, in no case do not pour water over it!