Disassembly and assembly of the Delco Moraine brake mechanism (Opel Kadett E)

Disassembly

Warning: It is not recommended to separate the caliper halves. All operations on replacing parts should be carried out on the assembled caliper.

Crush the brake pads.

Using a chisel, separate the protective caps from the guide pins.

Remove the piston protective cap from the caliper (see photo).

Move the guide pins slightly inside the caliper and remove the protective caps from the grooves of the guide pins.

Remove the guide pin protective caps.

Remove the guide pins.

By forcing a stream of compressed air through the fluid supply hole, push the piston out of the cylinder, placing a wooden plank 15-20 mm thick between the caliper and the piston so as not to damage the piston.

Clamp the caliper in a vice with soft pads and separate the caliper and wheel cylinder.

Use a plastic wedge to remove the sealing ring from the cylinder groove.

Remove the cuffs from the guide fingers.

Wash the parts in alcohol or brake fluid and check their condition.

Assembly

Install the sealing ring into the cylinder groove.

[Material taken from an internet portal: OpelBook.ru]

Lubricate the piston with brake cylinder paste.

Insert the piston into the cylinder without pushing it all the way in.

Insert the piston cap into the cylinder groove and press it on using a KM 405 bushing or a mandrel of a suitable diameter.

Connect the wheel cylinder to the caliper. Install the cuffs on the guide pins, lubricating the sockets for them with grease from the repair kit.

Install the guide pins so that the groove for the protective cap is located on the piston side.

Install new protective caps on the guide pins using tools KM 402 2 and KM 404 3.