Technical information

Rover SD1 Specifications.

General Specifications   mm inches
Length   4968 185
Width (incl mirrors)   1994 78.5
Height   1385 54.5
Wheelbase   2815 110.8
Track - (5 1/2 J x 14)   1500 59.1
Track - (6 j x 14)   1506 59.3
Track - (denovo)   1490 58.7
Turning Circle   10.4 m 34.5 ft
Ground Clearance   137 5.4
       
Gross Vehicle Weight   Kg Lb
2000   1850 4079
2300   1850 4079
2600   1915 4222
3500   1915 4222
       
Maximum Towing Weight   Kg Lb
2000   1270 2800
2300, 2600   1321 2912
3500   1524 3360

 

Maintenance Data  
Engine Oil 15w/40 or 15w/50 oil
Carburettor Damper Engine Oil
Manual Gearbox pre 1981 Hypoid 75w gear oil
Manual Gearbox 1981 on Auto Transmission Fluid
Automatic Transmission pre 1983 Use recommended.

BP Autran G

Castrol TQF

Duckhams Q Matic

Esso Glide type G

Mobil ATF 210

Fina Purifmatic 33F

Texamatic type G

Shell donax TF

Automatic Transmission 1983 on Esso ATF Dexron II

Mobil ATF 220

BP Autran DX2

Shell ATF Dexron II

Texaco Texamatic 9226

Petrofina Fina Dexron II

Duckhams D-Matic

Castrol TQ Dexron II

Rear Axle EP90 gear oil
Power Steering Automatic Transmissoion Fluid
Power Steering Rack EP90 gear oil
Manual Steering BP Energrease FGL
Anti-Freeze Universal Anti-Freeze
Brake and Clutch Fluid Universal Brake Fluid
Front and Rear Hubs High melting point bearing grease
Fuel 98 octane (4 star)

 

Capacities   Litres Pints
Engine Oil and filter change (incl filter)      
4 cylinder   4 7
6 cylinder   6.1 10.8
V8 Engine   5.5 9.7
Engine Oil Filter   0.6 1.0
Engine Oil Cooler   0.6 1.0
Manual Gearbox   1.6 2.8
Auto Gearbox and Cooler 4,6 cyl   5.3 9.3
Auto Gearbox and Cooler V8   7.0 12.3
Rear Axle   0.9 1.6
Cooling System 4 cyl engine   7.4 13.0
Cooling System 6 cyl engine   10.3 18.2
Cooling System V8 engine   11.0 19.5
Power Steering Reservoir (ATF)   1.6 2.8
Power Steering Rack (oil)   0.07 0.125
Screen Washer Reservoir - Early type   1.7 3.0
Screen Washer Reservoir - Later type   6.0 10.6
Headlamp Washer Reservoir   6.0 10.6
Fuel Tank - 4, 6 cyl   65.9 14.5 gall
Fuel Tank - V8   63.4 14.0 gall

 

Tyre Pressures   Front     Rear  
    Bar Lb/in2   Bar Lb/in2
175 HR 14 - 1 to 4 Passengers   1.9 28   2.1 30
175 HR 14 - more than 4 Passengers   2.1 30   2.2 32
             
185 HR 14 - 1 to 4 Passengers   1.8 26   1.8 26
185 HR 14 - more than 4 Passengers   1.8 26   2.1 30
             
195/70 HR 14 - 1 to 4 Passengers   1.8 26   1.8 26
195/70 HR 14 - more than 4 Passengers   1.8 26   2.1 30
             
Denovo - 1 to 4 Passengers   1.6 23   1.6 23
Denovo - more than 4 Passengers   1.8 26   2.0 28

 

Engine Electrics  
   
Battery 12 volt negative earth
   
Up to 1981 66 Ahr
1982 on 50 or 68 Ahr
   
Alternator  
pre 1982 Lucas 23 ACR
Nominal Output 55 amps, 14 volts at 2250 rpm
Brush minimum length Protrusion when free - 5mm 0.2 inches
Brush spring pressure 255-370 grams
   
1982 onwards Lucas A133
Nominal Output : 2000, 3500 65 amps
Nominal Output : 2300, 2600 55 amps
Brush minimum length 10mm 0.4 inches
Brush Spring pressure 142-283 grams (5-10 ounces

 

Starter Motor  
   
4, 6 Cylinder Engines Lucas 2M100PE
V8 Engine Lucas 3M100PE
Brush minimum length 10mm, 0.375in
Brush Spring Pressure 1000grams, 36 ounces
Maximum shaft endfloat 0.25mm, 0.010 inches

 

Distributor  
   
Manufacturer Lucas
Contact Breaker Gap 4-cylinder 0.35-0.40mm, 0.014-0.016in
Contact Breaker Gap 6-cylinder 0.35-0.40mm, 0.014-0.016in
Contact Breaker Gap V8 0.35-0.40mm, 0.014-0.016in

 

Ignition Coil  
   
Manufacturer pre 1982 Lucas
Manufacturer 1982 on - 4 & 6 Cylinder engines Unipart GCL 130
   
Primary resistance 4 cylinder engine 1.2 - 1.5 ohms
Primary resistance 6 cylinder engine 1.3 - 1.45 ohms
Primary resistance V8 engine 0.8 - 1.2 ohms
   
Ballast resisitor 1.3 - 1.6 ohms
Ignition unit (V8) Lucas 22C12

 

General Tightening Torques    
  Nm Lb ft
Alternator to Mountings 4 cyl engine 12 9
Alternator to Mountings 6 cyl engine 28 21
Alternator to Mountings V8 engine 24 17
Starter Motor Bolts general 47 35
Starter Motor Bolts 4 cyl engine 37 27
Distributor clamp bolt 20 15

 

Cooling System  
   
Thermostat fully open 4 cyl engine 88 degrees C
Thermostat fully open 6cyl engine (pre 1982) 82 degrees C
Thermostat fully open 6cyl engine (after 1982) 88 degrees C
Thermostat fully open V8 engine (pre 1982) 82 degrees C
Thermostat fully open V8 engine (after 1982) 88 degrees C
Pressure Cap 1bar (15 Lb in2

 

Water Pump Belt Tension    
  mm in
4 cylinder engine 7-15 0.375-0.625
6 cylinder engine 10-19 0.40-0.75
V8 engine 5-8 0.20-0.30

 

Cooling System Tightening Torques    
  Nm Lb ft
water pump to block - 4 cyl 11 8
water pump to block - 6 cyl 28 21
water pump to block - V8 27 20
     
coolant elbow - 6 cyl 28 21
coolant elbow - V8 27 20
Outlet pipe to manifold 11 8
Water pump drain plug 10 7
Coolant temperqature transmitter 6 5

 

Fuel System  
   
Fuel Filter In-line replaceable
Air Filter Relaceable paper element
Fuel pump delivery pressure 0.42 bar2 (6Lb/in2)
Fuel cut off operates below oil pressure 0.21 bar2 (3Lb/in2

 

Carburettor  
   
4 Cyl Engine Twin SU HIF 44 with Zenith FASD
6 Cyl Engine pre 1982 Twin SU HS6
6 Cyl Engine after 1982 Twin SU HIF 44 with Zenith FASD
V8 Engine pre 1982 Twin SU HIF 6
V8 Engine after 1982 Twin Zenith 175 CDEF with FASD
   
Fast Idle Speed (Auto in P) - Non FASD cars  
6 cyl - engine cold 1100-1300 rpm
6 cyl - engine hot 1500 rpm
V8 engine 1100-1200 rpm
   
Float Level - SU carburettors  
4 cyl engine 1 - 0.5 mm (0.04 - 0.02 in)
6 cyl engine 3.5 - 5 mm (0.138 - 0.199 in)
V8 engine 0.57 - 1.5 mm (0.019 - 0.059 in)

 

Carburettor Tightening Torques    
  Nm Lb ft
Air Cleaner to carbs 6 cyl 20 15
Intake adaptor to carbs V8 24 17
Carb to manifold 4 cyl 25 19
Carb to manifold 6 cyl 28 21
Hot air chamber to manifold 28 21
Cable bracket to manifold 8 6
Tank front mounting 27 20
Tank rear bolt 54 40
Tank rear nut 27 20

 

Clutch and Gearbox    
Clutch - Single Plate Diaphragm type    
Clutch operation - Hydraulic    
  mm in
Clutch plate diameter - 4 cyl 215 8.5
Clutch plate diameter - 6 cyl 229 9
Clutch plate diameter - V8 240 9.5
Minimum lining thickness 1.75 0.063
Gearbox mounting clearance 3.0 0.12
     
Tightening Torques    
  Nm Lb ft
Clutch to flywheel - 4 cyl 23 17
Clutch to flywheel - 6 cyl 28 21
Clutch to flywheel - V8 27 20
Clutch housing bracing 50 37
Clutch housing to gearbox 80 59
Clutch housing to block 28 21
Fulcrum pin to front cover 50 37
Drive flange to main shaft 200 150
Mounting bracket fixings 28 21
Magnetic drain plug 35 26
Propshaft bolts 50 37
Speedo cable clip 10 7

 

Automatic Transmission    
     
Type (pre 1983) Borg Warner 65    
Typre (1983 on) GM180    
     
Downshift Cable gap 0.25-0.5 mm 0.010-0.020 in
     
Gearbox change speeds    
Model 2000 1-2 kickdown upshift 40-47
  2-3 kickdown upshift 68-74
Model 2300 1-2 kickdown upshift 39-45
  2-3 kickdown upshift 62-67
Model 2600 1-2 kickdown upshift 44-51
  2-3 kickdown upshift 70-76
Model 3500 1-2 kickdown upshift 47-52
  2-3 kickdown upshift 76-81
     
Brake Band Adjustment    
  Nm Lb ft
Borg Warner 65 - Front brake band (slacken nut 3/4 turn) 7 5
Borg Warner 65 - Rear brake band (slacken nut 3/4 turn) 7 5
GM180 Adjuster (Slacken adjuster 5 turns) 4.5 3.3
     
Tightening Torques    
  Nm Lb ft
Brake band locknuts BORG WARNER 48 35
Brake band locknuts GM180 18 13
Transmission Mountings SEE CLUTCH AND GEARBOX    
Oil Sump Bolts 1 7
Lower selector lever nut 1.7 12
Low band adjusting bolt locknut 4.6 40 lb/in

 

Steering    
     
Type - Rack and Pinion    
  mm in
Toe Setting 0-3.17 0-1/8
Power steering drive belt tension (pre 1982) 6-9 0.24-0.35
Power steering drive belt tension (1982 on) 7-12 0.28-0.42
     
Tightening Torques    
  Nm Lb ft
Power steering pump bracket 24 18
Pump pivot bolt 34 25
Pump to bracket 41 30
Pulley to pump 24 18
Track rod end to steering arm 48 36
Track rod end locknut 64 47
Inner ball joint 100 75
Steering wheel nut 27 20
Rack mounting bolts 43 32
Bearing support plate 27 20
Column bracket to dash 27 20
Coupling bolt 27 20
Hose unions 30 22
     
Front Suspension    
Type MacPherson strut    
     
Front hub bearings (slacken by 1 nut flat) 7 5
Anti rollbar cross member 43 32
Anti rollbar to bottom link 95 71
Ball joint to stub axle 48 36
Clamp to anti rollbar 54 41
Crossmember to body 40 30
Strut to upper mounting 28 21
hub to stub axle 40 30
Spring to strut 40 30
Steering arm to strut 75 55
Wheel to hub 88 66
     
Rear Suspension and Rear Axle    
     
Rear Axle Ratio - 2000 manual 3.9-1  
Rear Axle Ratio - 2000 Auto 3.45-1  
Rear Axle Ratio - 2300,2600 manual 3.45-1  
Rear Axle Ratio - 2600 auto, 3500 3.08-1  
     
Tighteneing Torques    
  Nm Lb ft
Bump stops to spring cup 27 20
     
Self levelling unit upper and lower mounting    
Nut 63 45
Locknut 45 33
     
Crossmember to axle 54 41
Crossmember to body 46 34
Spring retainer to axle 11 9
Trailing link to fork 54 41
Fork end to body 50 37
Link to axle 54 41
Watts linkage to axle 54 41
Axle filler/level plug 35 26
Brake backplate to axle hub 50 37
Bearing cap to axle 100 75
Oil seal housing 50 37
Flange to pinion 160 120
Rear cover to housing 28 21
Stop bracket to housing 28 21
Wheel to hub 88 66

 

Brakes    
     
Front Disc Brakes    
  mm in
Minimum pad thickness 3.0 0.125
Disc diameter 258 10.125
Disc thickness 14 0.55
Disc regrind - min thickness 13.1 0.51
     
Rear Drum Brakes    
     
Minimum lining thickness 3.0 0.125
Adjustment - Self Adjusting

-

-

Drum diameter 228 9
Drum width 57 2.25
     
Brake Servo    
     
Type - Direct Acting    
Boost ratio - 3.08-1    
     
Tightening Torques    
  Nm Lb ft
Brake pipe to caliper 11 8
Brake pipe to drum 9 6
Brake pipe to servo 11 8
Brake pipe to hoses 13 10
Brake pipe to pressure valve 9 6
Caliper to stub axle 75 55
Disc to hub 54 41
Backplate to axle 50 37
Pressure valve to body 27 20
Master cylinder end plug 45 33
Reservoir to master cylinder 7 5
Master cylinder to servo 15 11

 

General Electrics    
     
Bulbs Wattage Unipart Number
     
Headlamp - Tungsten 40/45 GLB410
Headlamp - Halogen 60/55 GLB472
Headlamp - Main Only 55 GLB448
Indicator Flasher 21 GLB382
Side lights - Front 5 GLB207
Side lights - Rear 4 GLB233
Reversing light 21 GLB382
Rear fog lamp 21 GLB382
Stop lamp 21 GLB382
Number plate light 6 GLB254
Instrument panel 1.2 GLB286
Hazard warning bulb 1.5 GLB280
Door guard lamp 5 GLB207
Interior lights 6 GLB254
Map reading light 6 GLB254
Glove box light 6 GLB254
Fibre optic lamp 5 GLB989
Boot light 5 GLB207
Brake warning lamp 5 GLB501
Handbrake warning lamp 1.2 GLB286
Cigar lighter light 2.2 (rover only part 530054)
Clock light 2.2 GLB987
     
Fuses - Early type    
     
Circuit protected Fuse number Fuse rating (amps)
     
Spare 1-2 -
Heater 3-4 25
Battery control 5-6 25
Hazard warning 7-8 25
Ignition 9-10 25
Screen washer 11-12 35
RH Main beam 13-14 25
LH Main beam 15-16 25
RH Dip beam 17-18 15
LH Dip beam 19-20 15
Side, Tail, Fog & Panel 21-22 15
Front fog lamp 23-24 25
Heated Rear Window In-Line 50
Radio In-Line 3
     
Fuses - 1982 on    
     
Circuit protected Fuse number Fuse rating (amps)
     
Main Fusebox    
     
Panel Illumination A1 5
Front Fog lamps A2 10
Radio A3 3
Radio Aerial A4 7.5
Fog Guard Lights A5 7.5
Blower Motor B1 25
Blower Motor Switch B2 7.5
Trip computer, seatbelt warning

low fuel warning, fuel guage,

temperature guage, door windows,

gear selector light, door mirrors,

reverse lights, oil pressure lamp

B3 10
Windscreen Wash/Wipe B4 15
Bulb failure unit, indicators,

tail lamps, stop lamps, side lamps

B5 7.5
Air conditioning clutch C1 7.5
Horns C2 10
lighter, courtesy lights,

clock, under bonnet light, map light

C3 20
Hazard indicators C4 10
Spare C5 7.5
     
Luggage Compartment Fuses    
     
Heated rear window 1 25
Luggage compartment, reading lights 2 5
Rear wash/wipe 3 15
Sliding roof 4 25

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RoverSD1Mania, or its members can not accept responsibility for any damage

or injury caused using this information, if in doubt, consult a qualified mechanic.