Volvo 120 1800 Brake Repair Manual
The pages linked above contain technical data and help for the service and maintenance of various Volvo cars.
Most are Volvo documents.
Remember to take all necessary safety precautions when working on your car.
Brakes. P120. Document date September 1963. 5024/2
Brakes (Disc). P120/P1800. Document date September 1966. TP 10053/2