Hydraulic clutch

Revision as of 02:17, 5 February 2007; view current revision
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Left-hand-drive (LHD) versions of the Datsun 1200 used a hydraulic clutch system. It is very nice, with a light, linear action.

• Extremely light clutch pedal effort, but with good feedback.

Parts

Stock USA cylinders. "Repair Kits" are also available. These include all new rubber parts, and can be used in the aluminum body is not pitted. The bore is hand-honed. Often with aluminum a kit will leak. Cast-iron cylinders may have better success.

MASTER

• 30610-24900 (superceded by 30610-24910). $111 USD

SLAVE

• Left: 30620-H1601 (superceded by 30620-H1600) $59 USD
• Right: 30620-H1600

Adjustment

This is for the 71-73 1200. The B210 (120Y) measurements are different.

Clutch Slave Cylinder

Adjust the free play to 5/32".

Pedal Linkage

Before adjusting the pedal linkage, first adjust the clutch release arm under the car.

The specs are:

• Pedal height: 5.57 in (141.5 mm)
• Pedal free play: 1.181 in (30 mm)
• Pedal stroke is 5.65 in (143.5 mm) with the adjustment stop (the switch in the diagram) backed off. Adjustment is made with shims for the cylinder on the firewall.

RHD Hydraulic Conversion

Hydraulic Clutch Master

• Girling "claypipe" master cylinder, available in 5/8" and 3/4" bores (about $70 AUD). Threads are 3/8 unc for pipe outlet and 7/16 unc for fluid in

• Nissan Urvan remote-fill tops
• A simple 90-degree bracket is needed to be made up to mount this master cylinder

Nissan Sentra Clutch Master Cylinder

• Fluid reservoir is connected to the cylinder via a rubber hose.

Remote Clutch Master Cylinder

A remote clutch cylinder may also be useful

Photo Index

Click each pic for large photo and discussion.

• Cable-to-Hydraulic custom remote clutch m/c found on Mitsubishi LA Lancer