Vauxhall Workshop Service and Repair Manuals

Multi-disc Brakes B3 and Freewheel F2, Remove and Install (AF22)

  Remove

2.   Attach transmission to KM-694-A (2) •   Attach assembly to KM-113-2 (1) 3.   Remove oil drain bolt (3) •   Drain transmission fluid and collect for damage diagnosis 4.   Remove converter

5.   Remove rear cover (1) 6.   Remove drive shaft assembly (2) with multi-plate clutch C1 and C2 7.   Remove planetary gear set P1 (3) 8.   Remove valve body

9.   Measure piston stroke of multi-disc brakes B3 using dial gauge MKM-571-B Note:   Replace liner plates if necessary and correct piston stroke by installing a suitable compensating flange from the "Service" Department. •   Cut off the end of KM-994 and insert KM-994 in hole •   Blow in air at low pressure (4 bar) (arrow) •   Place button on plate Note:   Measured value: 1.75 to 2.55 mm 10.   Measure clearance between piston and set of discs using feeler gauge Note:   Replace set of discs if necessary. •   Measured value: 0.6 to 1.9 mm 11.   Prise off retainer (1) for front ring gear with screwdriver and remove

12.   Remove assembly (2) with steel plates, liner plates and flange (1) for multi-disc brakes B3 13.   Remove thrust bearing (4) with ball race (3) 14.   Check steel and liner plates for damage and wear Note:   Place new liner plates in transmission fluid for at least 2 hours before fitting. 15.   Remove return spring assembly •   Prise off screwdriver (5) for return spring assembly (6) with screwdriver •   Remove return spring assembly

16.   Remove piston (1) for multi-disc brakes B3 •   Cut off the end of KM-994 and insert KM-994 in oil hole •   Blow air at low pressure (4 bar) (arrow) into oil hole •   Press out piston evenly without jamming Note:   Assist with pliers if necessary 17.   Replace seal rings on piston, inside and out 18.   Clean components and check for damage Note:   Replace if necessary. 19.   Insert piston for multi-disc brakes B3 evenly in transmission without jamming Note:   Spring mounting faces upwards. 20.   Insert return spring assembly in spring mounting of piston B3. •   Install new retainer.

  Install

21.   Insert thrust bearing (2) with ball race (3) - for allocation and direction of installation, see illustration "Thrust bearing installation" •   Install front ring gear assembly (1) with freewheel F2 in transmission Note:   Front ring gear must be rotatable in counterclockwise direction (arrow) 22.   Install set of discs B3 (4) in transmission •   Insert flange •   Insert 6x liner plate and 5x steel plate, alternating Note:   Steel plate dogs must be flush with the cut-outs in the transmission. •   Insert flange •   Insert new retainer (5) Note:   Ensure it is seated perfectly.

24.   Install planetary gear set P1 (1) 25.   Install drive shaft assembly (2) with multi-plate clutch C1 and C2 26.   Install rear cover (3)

28.   Attach oil drain bolt (3) to transmission with seal ring Note:   Use new seal ring. •   Tighten oil drain bolt 40 Nm 29.   Detach transmission assembly with KM-694-A from KM-113-2 (1) •   Detach transmission from KM-694-A (2) 30.   Install transmission •   Top up with transmission fluid 31.   Check and correct transmission fluid level