To adjust the differential bearing clearance.

For 020 gearbox.

For all petrol engines
Golf 1 Golf 1 Cabriolet Jetta 1 Scirocco Caddy 1 :EW FP FR FV GH JB EX
Golf 2 Jetta 2:EZ GU PN RF RH ABN

For engine 1500cc 1600cc 1800cc petrol without air conditioning

For Golf Cabriolet, Scirocco 2, 1600cc and 1800cc with power steering (not for 16V)

For Golf 2, Jetta 2, 1600cc and 1800cc with power steering (not for 16v)

For Golf 1, Golf 1 convertible, Scirocco 1 and 2

Not for 16v

Suspension roller Diameter 17 mm
for golf 1 12/1977
Scirocco 1 chassis 538 2028 903- equivalent
Golf Cabriolet 1, Jetta 1, Scirocco 2, Caddy 1
all models