Brakes

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Category: Brake System

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Revision as of 02:04, 21 April 2014 ddgonzal (Talk | contribs) (->Specifications) <- Previous diff		Revision as of 04:00, 28 April 2014 ddgonzal (Talk | contribs) (->Brake Lines) Next diff ->
Line 53:		Line 53:
	= Brake Lines =		= Brake Lines =
-	The hard lines are 3/16" outside diameter.	+	See main article: [[Brake Lines]]
-		+
-	* 3/16" lines (4.75 mm) with M10 metric fittings	+
-	* Cunifer lines on early 1200s for corrosion resistance	+
-	* Later 1200 utes have poly-coated steel lines	+
	= Front Drum Brakes =		= Front Drum Brakes =

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Revision as of 04:00, 28 April 2014

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 1 Types 2 Calipers 3 Rotor Sizes 4 Brake Lines 5 Front Drum Brakes 6 Rear Drum Brakes 7 Specifications 8 Part Numbers 8.1 Brake Pedal Switch 8.2 Front Brake Cylinder 8.3 Brake Hoses 8.4 Pads 8.5 Rotor 8.6 Wheel Bearings 8.6.1 Rear Wheel Bearings 8.7 Caliper 8.8 Parking Brake 8.9 Master Cylinder 9 B120 9.1 Rear Drum Brake 9.2 Master Cylinder 9.3 Front Discs 10 Nissan Competition

Types

• Drum front/drum rear - Standard trim, Deluxe trim
• Disc front/drum rear - GL, GX and optional on Deluxe

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.

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.

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 Number	Source
208	40207-G1501	Sunny Truck 8910-
212.5	40206-H1006	B110, B210 A12 1974-1975
220 (AN18)	40206-H7500	B210 A12 1976-1978,B310 with 12" wheels
232	40206-A1155	B210 A13, PB110?, PB210 early?
245 (AN20)	40206-U6700	A10, 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.

* Wheel cylinders: 13/16 inch bore diameter

Rear Drum Brakes

See Rear Brakes

Specifications

brake cylinders	B110 (disc)	1977 US B210	1980 US B310 (Disc-AN20)	1980 Canada A12A (Disc-AN18)
Proportioning valve	not used	yes	1,961 kPa x 0.4 psi	1,961 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 diameter	11/16 inch	3/4 inch	13/16	13/16
Front cylinder diameter	1.894 inch (drum brakes: 11/16)	2.012 inch	2.012 inch	1.894 inch
Rotor diameter	212.5 mm	245mm	245mm	220mm
Pad (width x length)	42.5 x 53.1 mm	41.2 x 63.4 mm	41.2 x 61.4 mm	42.0 x 56.8 mm
Pad thickness	10.3	10.0	10.0	10.3
Total front braking area (discs)	14.0 sq in	16.2 sq in	~14.6	~13.8
Total front braking area (drums)	42.3 sq in	n/a	n/a	n/a
Rear cylinder diameter	disc brake models: 11/16 inch (all-drum models: 13/16)	13/16 inch	13/16	13/16
Drum diameter	8.0 inch	8.0 inch	8.0	8.0
Drum width	1.378 inch	1.378 inch	1.378	1.378
Total rear braking area	42.3 sq in	42.3 sq in	42.3	42.3

Part Numbers

http://www.rockauto.com

ブレーキ

Brake Pedal Switch

• 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

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

　

41103-H1000 CYLINDER ASS'Y, front wheel, after (L.H.) B110 STD,DX
  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
 Meisan (n & n)

B10 front & rear brake cylinders

B10

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=M10x1.0 Bleeder Thread=M10x1.0
Right: RAYBESTOS FRC3021 $30.79, RC3021, A-1 CARDONE 19124, 17124
Left: RAYBESTOS FRC3022 $30.79, RC3022, A-1 CARDONE 19125, 17125

Parking Brake

See Hand Brake

Master Cylinder

A-1 CARDONE 111655 Remanufactured $26.79
RAYBESTOS MC39087
ACDELCO 18M1072, 19106858

* Bore Size=11/16" Number of Ports=2 Primary Outlet Size=M10x1 Secondary Outlet Size=M10x1

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

Nissan Competition

* 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

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