Car Clutch Repair BMW 5 Series E12

Clutch specifications
The clutch is dry, single-disk, with a central pressure spring. The clutch release drive is hydraulic, with automatic clearance adjustment. Clutch brand:...

Clutch parts
Clutch details: 1 - slave disk; 2 - pressure plate; 3 - Clutch release ball bearing; 4 — clutch release fork; 7 — pusher; 8 — hydraulic drive working cylinder.

Clutch section
Sectional view of clutch and clutch slave cylinder prior to 1977 model year Cross-section of the clutch of cars from the 1977 model year 1 — crankshaft; 2 -...

Clutch master cylinder parts
Clutch master cylinder parts: 1 — pipeline 1st modification; 4 - master cylinder; 16 — pipeline 2nd modification.

Checking the slave disk status
When the clutch is operating normally, the thickness of the driven disc can be checked directly on the vehicle. BMW "518" and "520" Place the car on a lift and...

Removal the clutch
Remove the gearbox (see section "Gearbox": BMW 242/4 , Getrag 262/8 or Getrag 265/6 ). With the clutch installed on the vehicle, make sure that the deviation...

Checking the technical condition of the clutch
Clean the clutch housing thoroughly and visually inspect the condition of the rivets and the fastening of the springs of the torsional vibration damper of the...

Clutch installation
Make sure that the driven disk hub moves freely on the gearbox input shaft splines. Lubricate the shaft splines with a thin film of Moiykote Longterm 2 type...

Replacing the clutch release bearing
To perform this operation, it is necessary to remove the gearbox. BMW "518", "520" Remove the clutch release fork retaining spring. Remove the clutch release...

Removal and installation the clutch release bearing from the 1977 model year
Remove the clutch housing. Remove the retaining spring 1 (see photo), fork 2 and clutch release bearing 3. Check the bearing height, i.e. size "B" and "C" (see...

Removal and installation the clutch master cylinder
Remove the air filter assembly. Remove the brake master cylinder together with the brake booster (see section " Brake system ") to ensure removal of the clutch...

Removal and installation the clutch slave cylinder
Remove the working fluid from the clutch and brake hydraulic fluid reservoir using a syringe. Disconnect the pipe coming from the master cylinder from the...

Bleeding the clutch hydraulic drive
Clean the bleed nipple on the slave cylinder from dust and dirt and unscrew it by about 1.5 turns. Put a hose on the nipple head and immerse its lower end in a...

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