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[Datsun 1200 encyclopedia]

Brakes

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Category: Brake System

Datsun 1200s came with two brake systems: all drums (Standard models), or Girling-Tokico front disc with rear drums. They were excellent brakes for the period. All are manually adjusting except non-North America Left-hand drive 1200s, which were equipped with auto-adjusting rear drum brakes.

Also see:
* Rear Brakes
* Brake Swaps
* Brake Upgrades
* Brake Adjustment

Contents

Types

The 1200 front-disc/rear-drum system was good for 1971. In fact, stopping power was better than most 'muscle cars' of the era. However, if you have a drum/drum system, you'll want to upgrade to disc/drum. The drum system stops well enough, but the disc system has less fading going down mountain roads.

Adjustment/Maintenance

See:
* Drum Brake Adjustment
* Disc brakes need no adjustment

Calipers

Calipers are used with disc brakes. Datsun B110, B210 and B310 used floating two-piston ANETTE types. These were desinged by Lucas Girling who make the Anette, Babette and Colette series.

24457.jpg

Type
B110: ANNET 12/14A (1.894" cylinder inner diameter)
B310 small: AN-18 (1.894" cylinder inner diameter)
B310 large: Disc-AN20 (2.012" cylinder inner diameter)


1200 Brake Rotor
Outer diameter: 212 mm
Height: 35.6 mm
Nominal thickness: 9.5 mm
Minumum thickness: 8.6 mm
Hub Reg: 70 mm
Bolt size: 10 x 1.5 mm
Bolt circle: 4 x 87 mm
Weight 5.9 - 6.1 pounds 
Caliper bolt spacing:
84 mm: B110
* and all 12" wheel B210 and B310
88.9 mm: B310 large struts for 13" wheels

Rotor Sizes

Dia. (mm)Part NumberSource
20840207-G1501Sunny Truck 8910-
212.540206-H1006B110, B210 A12 1974-1975
220 (AN18)40206-H7500B210 A12 1976-1978,B310 with 12" wheels
23240206-A1155B210 A13, PB110?, PB210 early?
245 (AN20)40206-U6700A10, B210 A14, 1976-1978 120Y, B310 A14/A15, PB210 late?
??B210 Australia-assembled
? (Girlock)?A10, Australia-assembled

Apparently the calipers are unique for each rotor, also the strut/spindle assembly *may* be different.

Brake Lines

See main article: Brake Lines

Front Drum Brakes

1200 DX and STD trim received front drum brakes (GL and GX were fitted with Disc Brakes). It uses two cylinders, unlike the rear drums which have one cylinder.

22149.jpg

* Wheel cylinders: 13/16 inch bore diameter

22150.jpg

Rear Drum Brakes

See Rear Brakes

Specifications

brake cylindersB110 (disc)1977 US B2101980 US B310 (Disc-AN20)1980 Canada A12A (Disc-AN18)
Proportioning valvenot usedyes1,961 kPa x 0.4 psi1,961 kPa x 0.4 psi
Booster (Master-Vac)not used?M60 6-in diameter 135mm rod length (flange-to-pedal)M60 6-in diameter
Master diameter11/16 inch3/4 inch13/1613/16
Front cylinder diameter1.894 inch (drum brakes: 11/16)2.012 inch2.012 inch1.894 inch
Rotor diameter212.5 mm245mm245mm220mm
Pad (width x length)42.5 x 53.1 mm41.2 x 63.4 mm41.2 x 61.4 mm42.0 x 56.8 mm
Pad thickness10.310.010.010.3
Total front braking area (discs)14.0 sq in16.2 sq in~14.6~13.8
Total front braking area (drums)42.3 sq inn/an/an/a
Rear cylinder diameterdisc brake models: 11/16 inch (all-drum models: 13/16)13/16 inch13/1613/16
Drum diameter8.0 inch8.0 inch8.08.0
Drum width1.378 inch1.378 inch1.3781.378
Total rear braking area42.3 sq in42.3 sq in42.342.3

Part Numbers

http://www.rockauto.com

ブレーキ

Brake Pedal Switch

25320-H1000 -8109
* Beck/Arnley 201-0288
** 1987-1988 Dodge Colt
** 1990 Mitsubishi Sigma
** 1985 Mitsubishi Starion
** 1967 Toyota Corona
** Datsun B110/B210/F10/N10/S10, 1974-1978 S30, A10, 620, 810, 910

25320-H8500 8110-
25320-75A00 8910-
th_25320-75A00-1.jpg th_25320-75A00-2.jpg th_25320-75A00-3.jpg

Front Brake Cylinder

41100-18000 ASS'Y-CYLINDER, front wheel, fore (R.H.) B10, B110 STD,DX
41102-18000 ASS'Y-CYLINDER, front wheel, fore (L.H.) B10, B110 STD,DX
41101-H1000 CYLINDER ASS'Y, front wheel, after (R.H.) B110 STD,DX

 22147.jpg

41103-H1000 CYLINDER ASS'Y, front wheel, after (L.H.) B110 STD,DX
22145.jpg 22146.jpg Seiken

41101-27700 ASS'Y-CYLINDER, front wheel, after (R.H.) B10
 superceded 41101-18000 ASS'Y-CYLINDER, front wheel, after (R.H.) B10
41103-27700 ASS'Y-CYLINDER, front wheel, after (L.H.) B10
 superceded 41103-18000 ASS'Y-CYLINDER, front wheel, after (L.H.) B10
22148.jpg Meisan (n & n)

B10 front & rear brake cylinders
19523.jpg

B10
22152.jpg

フロント ホイール シリンダー 

Brake Hoses

See main article: Brake Hoses

Pads

See Brake Pads

Rotor

http://www.rockauto.com

B310 - 245 mm
Height: 35.5 mm
Thickness: 10 mm
Thinness: 8.4 mm
Hub reg: 73 mm
4 x 95 PCD (bolts to hub)
weight: 8.56 lb
* Centric 121.42002

Wheel Bearings

See Wheel bearings

Rear Wheel Bearings

See Axle Shaft. These are not easily replaced.

Caliper

Bore Size 1.89" 
Inlet Thread M10 x 1.0
Bleeder Thread M10 x 1.0
Right: 
RAYBESTOS FRC3021 $30.79, RC3021
A-1 CARDONE 19124, 17124
Left:
RAYBESTOS FRC3022 $30.79, RC3022
A-1 CARDONE 19125, 17125
41214-H1007 RING-BIAS
Girling  29-1007 or 67932343
 full
174_55f90337520da.jpg

Caliper piston centering bias ring for indirect piston. Fit inside the front Disk Brake Pistons (inner side). Tang of Yoke fits into ring.
41214-H1007.jpg

Parking Brake

See Hand Brake

Master Cylinder

See Brake Master Cylinder

B120

Front Disk Brakes from 8910. These are unique as they fit the same strut as the former drum brake setup.

Rear Drum Brake

See Rear Brakes

Master Cylinder

Master cylinder has two bolts in horizontal plane; previous drum brake system used two bolts in vertical plane (like B110).

Front Discs

Sunny Truck staring in October 1989 has a disc brake system similar to B11/N12.

See main article: Sunny Truck Disc Brakes

20073.jpg

16913.jpg

Nissan Competition

Nismo Catalog
8270.jpg
for race, rally
41060-H1020 Ass'y pad Front Brake DS11 
41060-H1021 Ass'y pad Front Brake M59
44060-27720 Ass'y-Shoe Rear Fore (B10 op.)
44070-27720 Ass'y-Shoe Rear After AM4 (B10 op.)
44100-H2320 CYL ASSY RR Wheel 5/8"


44060-A1260 SHOE ASSY-Brake Fore for LT20 Drum, Ferode AM4 
44060-A1270 SHOE ASSY-Brake After for LT20 Drum, Ferode AM4 
44100-M7000 CYL ASSY-Wheel 5/8" LT20 Selective Use, N10 standard
44100-M4901 CYL ASSY-Wheel 11/16" LT20 Selective Use
44100-G2800 CYL ASSY-Wheel 1/4" LT20 Selective Use
44100-U9200 CYL ASSY-Wheel 13/16" LT20 Selective Use


1984 Nissan Competition
th_Competition198445.jpg
99996-H7010 1200, F10 & 310/N10 DP11 BRAKE PAD SET
44060-27720 BRAKE SHOE/FORE for 1200 and early B210
44070-27720 BRAKE SHOE AFT for 1200 and early B210
44100-H3320 5/8" WHEEL CYLINDER for 1200 and early B210
44100-H3300 11/16" WHEEL CYLINDER for 1200 and early B210
44100-H3100 13/16" WHEEL CYLINDER for 1200 and early B210