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[Datsun 1200 encyclopedia]

B210 Brake Booster

From Datsun 1200 Club

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Categories: Datsun B210 | Brake Modifications

A Brake Booster was fitted to many disc-brake B210s, including most 1976-1978 models and all USA models. The booster was added to counter the increased weight of these models. It is a very small 4.5 inch diameter model. This booster is not a direct bolt-in for a (Datsun 1200) as the mounting points are different.

Contents

Overview

photo

The booster has a:

  • 4-bolt front with a thin (about 1 cm thick) aluminum adapter so that a 2-bolt vertical pattern Brake master cylinder can be fitted
  • 4-bolt rear mounting to firewall
  • Spacer is a rectangular aluminum unit, about 2 inches long. It fits between the booster and the firewall.


B310 vs B210 style

  • B310 has horizontal bolt-pattern master cylinder, Booster M60
    2745.jpg
  • B210 has vertical bolt-pattern master cylinder, Booster M45
    12371.jpg

JDM

JDM B210s of GX and GL trim from April 1975 were fitted with Disc front brakes. A brake booster was standard for GX, optional with GL. The booster is a very small diameter, the M45 Master Vac, same as used in the 510 and 610.

JDM - Disc Front Brake models

  • 47210-U0501 MASTER-VAC (45) 1974-1975
    • 46010-U0601 CYLINDER ASSY-brake master tandem (3/4 inch)
  • 47210-H6100 MASTER-VAC 1976-1978
    • 46010-H7500 CYLINDER ASSY-brake master tandem A12 GL
    • 46010-U0601 CYLINDER ASSY-brake master tandem A14, L16
  • 47211-H6100 SPACER-master vac


Note that B210 (1976-1978) models without booster used a 2-bolt to 4-bolt adapter plate (thin sheet metal type). 1974-1975 models did not use this.

  • 47230-H6100 BRACKET-BRAKE MASTER CYLINDER

USA

All North American B210s were fitted with Disc Front Brakes and a very small M45 brake booster.

  • All USA B210 were fitted with a booster (entire brake system of PB110 specification for 1974-1975 models).
  • 47210-H6100 ASSY-MASTER VAC SWI,FRA,GER,SWE,DEN,NOR,BEL,HOL,LUX
  • 47210-H7200 ASSY-MASTER VAC from 0875 [Has warning label, can replace earlier unit]
  • 47211-H6100 SPACER-MASTER VAC
  • 46010-U0507 ASSY-CYLINDER BRAKE MASTER -0776 SWI,FRA,GER,SWE,DEN,NOR,BEL,HOL,LUX
  • 46010-U0508 ASSY-CYLINDER BRAKE MASTER -0776
  • 46010-H7200 ASSY-CYLINDER BRAKE MASTER 0876-0777
  • 46010-U5201 ASSY-CYLINDER BRAKE MASTER 0877-

Use in B110

The B210 and B310 booster mounts to the firewall with 4 bolts, whereas Datsun 1200 (B110) has only two bolts drilled in the firewall. The shape of the firewall also differs.

  1. drill larger center hole in firewall
  2. Make 4-bolt to 2-bolt spacer/adaptor to go between the firewall and the booster
    13370.jpg
  3. OR Use B210 firewall spacer
    1. drill two extra mounting holes in firewall
      9519.jpg 9520.jpg 9521.jpg
    2. change pedal box to new style
      9522.jpg

9669.jpg 9671.jpg 13359.jpg

Photo Index

1858.jpg 1859.jpg 2086.jpg 2466.jpg 3149.jpg 4842.jpg 11372.jpg 11435.jpg

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This page has been accessed 6,574 times. This page was last modified 02:02, 12 April 2013. Content is available under Datsun 1200 Club.