Having problems with your 1982 Alfa Romeo Spider ?

Ive got some brake but pedal will almost go the floor rebuilt master cylinder

Posted / edited by AnonymousUser on : 14-09-2020

Answers :

I don't always have a lot of luck rebuilting master cylinders, because rust can undermine a wider area than it appears.
\015\012However, you have not indicated you properly bled the brakes yet?
\015\012To do that, you first make sure the reservoir is full of brake fluid.
\015\012Then start at the furthest wheel, working closer as you go.
\015\012There are 2 stages to bleeding, where you first do it without pressure.
\015\012Open the bleeder.
\015\012Have someone push down once and hold it down.
\015\012Then put your finger over the bleeder before they lift up on the pedal.
\015\012With a little yelling back and forth, you can quickly bleed most of the air out this way.
\015\012Then you switch to pressure bleeding.
\015\012With the bleeder closed, you have someone pump up pressure.
\015\012Then you open quickly and reclose immediately.
\015\012Repeat until no more air at all, and pedal solid.
If the pedal is going to the floor there is either a leak in the system allowing air to enter or the brakes weren't properly bled after the master cylinder was replaced leaving air in the system. Either way you need to figure out why air is in the system and get it out.
Repair Help & Product Troubleshooting for 1982 Alfa Romeo Spider

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