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Thread: *INFO* Tech Article-C20LET Data Sheet(Cr,Fault Codes,Specs etc etc)

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    P N G Adam's Avatar
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    Default *INFO* Tech Article-C20LET Data Sheet(Cr,Fault Codes,Specs etc etc)

    Cant remember where this was from, i found it hosted on an old account of mine.
    Some parts relate specifically to Calibra Turbos(brakes etc), but the engine data could be useful for someone with LET questions


    Vauxhall/Opel Calibra 2.0i Turbo 4x4 - Technical Specs
    ------------------------------------------------------
    Engine - Tuning Data
    --------------------
    Type.............................C20LET; 4 Cylinder, Transverse Mounted, Turbocharged
    Number of Cylinders..............4; No 1 Pulley end
    Cubic Capacity...................1998cm(3)
    Bore/Stroke......................86/86mm
    Compression ratio/pressure.......9,0:1
    Octane Rating(RON)...............Unleaded only (95)
    Brake Horsepower (DIN)...........204 at 5600rpm
    Torque (DIN) Nm (lb ft)..........280 (207) at 2400rpm
    Valve operation..................DOHC in line valves 4 per cylinder, hydraulic tappets
    Valve timing.....................
    Valve clearances mm(in)..........N/A
    Spark Plugs Installed(New).......Vauxhall (90442514)
    Gap..............................0,7/0,8mm (,028/,031in)
    Distributor make/type............Bosch Motronic
    Air Metering.....................Mass
    Combined Ignition/Fuel ECM.......Yes
    Diagnostic Socket................Yes
    Firing Order/Rotation............1-3-4-2/Anticlockwise
    Dwell angle......................Electronic
    Contact Breaker Gap..............Electronic
    Pick up air Gap..................Electronic
    Ignition timing - Strobe.........14Degrees/18Degrees BTDC (No Adjustment)
    Ignition timing - Static.........
    Timing marks.....................Pulley
    Centrifugal Advance commences....Computer Controlled Electronic Advance
    Centrifugal Advance - Maximum....Computer Controlled Electronic Advance
    Vacuum Advance commences.........Computer Controlled Electronic Advance
    Vacuum Advance - Maximum.........Computer Controlled Electronic Advance
    Ignition coil - make.............90 277 970
    Prim res - sec res...............
    Fuel lift pump...................Electric
    Injection System make/type.......Bosch/M2, 7 Motronic computer controlled
    Idle Speed.......................920/1040rpm
    Exhaust Gas Analysis.............CO 0,4% max;HC 50ppm max
    Injection pressure...............System Pressure: 3,0/3,5 bar
    Turbocharger.....................KKK 16

    Engine - General Data
    ---------------------
    Piston Diameter (standard).......85,925/85,965mm (in 5 grades)
    Piston Oversizes.................0,5mm
    Piston Clearance in bore.........0,05/0,07mm
    Piston Rings - number............2 compression 1 oil
    Piston Rings - Width.............(1)(2) 1,5mm (3)3,0
    Piston Rings - Groove Clearance..
    Piston Rings - Gap in Bore.......(1)(2) 0,30/0,50mm (3) 0,40/1,40
    Oil Pressure bar (PSI)...........1,5(22) at idle
    Gudgeon pin diameter.............21mm
    Gudgeon pin fit in piston........Clearance 0,004/0,010mm
    Gudgeon pin fit in con rod.......Clearance 0,015/0,030mm
    Connecting Rod length............
    Crankpin Diameter................48,970/48,988mm
    Crankpin Undersizes..............0,25;0,50mm
    Big End bearing clearance........0,006/0,031mm
    Big End side clearance...........0,07/0,24mm
    Main Bearings....................5
    Main Journal Diameter............57,982/57,995mm (in 2 grades)
    Main Journal Undersizes..........0,25;0,50mm
    Main Bearing Clearance...........0,015/0,040mm
    Crankshaft end-float.............0,05/0,152mm
    Crankshaft end-thrust on.........Centre Bearing
    Camshaft Bearings................5
    Camshaft Journal Diameter........27,939/27,960mm
    Camshaft bearing clearance.......
    Camshaft end-float...............0,04/0,144mm
    Camshaft drive type..............Toothed Belt
    Cam lift.........................8,5mm
    Valve Head Diameter..............In 33mm Ex 29
    Valve Stern Diameter.............In 6,955/6,970mm Ex 6,945/6,960
    Valve Length.....................104,6/105,0mm
    Valve Seat/Face Angle............45Degrees/44Degrees
    Valve Lift.......................
    Valve Guide Length...............
    Valve Stern/Guide clearance......In 0,03/0,06mm Ex 0,04/0,07
    Valve spring free length.........
    Valve spring loaded length.......

    Cooling System
    --------------
    Type.............................Water pump radiator
    Radiator pressure cap............1,20/1,34 bar (18/20lb/in(2))
    Fan..............................Electric on 100Celcius off 95Celcius
    Thermostat.......................91Celcius

    Transmission
    ------------
    Type.............................4 Wheel Drive
    Clutch...........................228mm cable operated
    Manual Gearbox Type..............6 Speed; F28/6
    Manual Gearbox Ratios............0,74;0,89;1,10;1,45;2,16;3,57; Reverse 3,32:1
    Drive Shafts.....................With 2 CV Joints each
    Final Drive Ratio................Forward 3,72:1 Reverse 3,70:1
    Differential Bearing pre-load....
    Pinion Bearing pre-load..........

    Brakes
    ------
    Type.............................Diagonal dual circuit ABS
    Power Assistance.................Vacuum Servo 229mm
    Front............................Ventilated Discs 284x24mm (minimum 21)
    Rear.............................Discs 270x10mm (minimum 7)
    Handbrake........................Mechanical on rear wheels
    Linings - Front..................Thickness 12mm
    Linings - Rear...................Thickness 11mm

    Electrical
    ----------
    Battery..........................12v 55Ah Negative Earth
    Alternator.......................70A
    Regulated Voltage................Bosch 13,7/14,5V / Delco 14,5V (+-) 0,25
    Starter Motor....................1,4KW

    Capacities
    ----------
    Engine Oil/Grade.................4,5 litres including Filter / 10W/40 (SG)
    Gearbox Oil/Grade................1,8 litres / 80W
    Differential Oil/Grade...........0,8 Litres / 80W
    Cooling System...................7,2 litres
    Fuel Tank........................63 litres
    Tyre Size........................205/60/ZR 16
    Pressures bar (PSI)..............Front 2,3 (33) Rear 2,1 (30)
    Max Towing Weight................1300kg (28661b)
    Hydraulic Fluid Type.............DOT 4 spec
    Service Intervals................9000 miles or 6 months

    Dimensions
    ----------
    Length Overall...................4492mm (117,4in)
    Width Overall....................1688mm (66,9in)
    Height Overall...................1320mm (55,1in)
    Weight-Kerb......................1390kg (3084lb)
    Ground Clearance.................120mm (4,96in)
    Wheelbase........................2600mm (102,4in)
    Track - Front/Rear...............1426/1446mm (56,1/56,9in)
    __________________________________________________

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    P N G Adam's Avatar
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    Misc. Information
    -----------------

    Cylinder Head Sequence
    ----------------------

    ---------------
    (1) (2) (3) (4) - Anticlockwise
    ---------------

    Cylinder Head Tightening Sequence
    ---------------------------------

    --------------------
    ( 9)( 5)( 1)( 4)( [IMG]file:///C:/DOCUME%7E1/ADAM%7E1.AMD/LOCALS%7E1/Temp/msohtml1/01/clip_image001.gif[/IMG]
    (10)( 6)( 2)( 3)( 7)
    --------------------

    Cambelt
    -------
    Replace 36,000 miles or every 4 years, whichever comes first
    Tensioner and Roller Bearings should be changed at same time
    __________________________________________________ _______________________________________________

    Fault Code Listings
    -------------------

    Fault Code?Descriptor
    ---------------------
    10.........Variant Coding/Not programmed
    12.........Diagnosis Initiation
    13.........Oxygen Sensor (O2S)- no Voltage change
    14.........Engine Coolant Temperature (ECT) sensor - voltage low
    15.........Engine Coolant Temperature (ECT) sensor - voltage high
    16.........Knock Sensor(KS)1 - No voltage change
    17.........Knock Sensor(KS)2 - No voltage change
    18.........Knock Control Module - No Signal
    19.........Engine Speed (RPM) sensor - incorrect signal
    21.........Throttle position (TP) sensor - Voltage high
    22.........Throttle position (TP) sensor - Voltage low
    23.........Knock Control Module
    24.........Vehicle Speed Sensor (VSS)
    25.........Injector No.1 - Voltage high
    26.........Injector No.2 - Voltage high
    27.........Injector No.3 - Voltage high
    28.........Injector No.4 - Voltage high
    29.........Injector No.5 - Voltage high
    31.........Engine Speed (RPM) sensor - no signal
    32.........Injector No.6 - Voltage high
    33.........Exhaust Gas Recirculation (EGR) solenoid - Voltage low
    34.........Exhaust Gas Recirculation (EGR) solenoid - Voltage high
    35.........Idle Air Control (IAC) valve
    37.........Malfunction Indicator Lamp (MIL) - Voltage low
    38.........Oxygen Sensor (O2S)- Voltage low
    39.........Oxygen Sensor (O2S)- Voltage high
    41.........Vehicle Speed Sensor (VSS) - Voltage low
    42.........Vehicle Speed Sensor (VSS) - Voltage high
    44.........Oxygen Sensor(O2S)/Injector signal - weak mixture
    45.........Oxygen Sensor(O2S)/Injector signal - rich mixture
    46.........Air Pump/Relay - Voltage low
    47.........Air Pump/Relay - Voltage high
    48.........Battery Supply Voltage - low
    49.........Battery Supply Voltage - high
    51.........Engine Control Module (ECM) - memory error (PROM)
    52.........Malfunction Indicator Lamp (MIL) - Voltage high
    53.........Fuel pump relay - Voltage low
    54.........Fuel pump relay - Voltage high
    55.........Engine Control Module (ECM)
    56.........Idle Air Control (IAC) valve - Voltage high
    57.........Idle Air Control (IAC) valve - Voltage low
    59.........Intake Manifold Air Control Solenoid 1 - Voltage low
    61.........Evaporative Emission (EVAP) canister purge valve - Voltage low
    62.........Evaporative Emission (EVAP) canister purge valve - Voltage high
    63.........Intake Manifold Air Control Solenoid 1 - Voltage high
    65.........CO2 adjustment resistor - Voltage high
    66.........CO2 adjustment resistor - Voltage low
    67.........Throttle Position (TP) Switch
    68.........Closed Throttle Position (CTP) Switch - not opening
    69.........Intake Air Temperature (IAT) sensor - voltage low
    71.........Intake Air Temperature (IAT) sensor - voltage high
    72.........Throttle Position (TP) Switch - not opening
    73.........Volume Air Flow (VAF)/Mass Air Flow (MAF) Sensor - Voltage low
    74.........Volume Air Flow (VAF)/Mass Air Flow (MAF) Sensor - Voltage low
    75.........AT Torque Control - voltage low
    76.........AT Torque Control - engaged long
    79.........Traction Control Module - incorrect ignition/injector cut-off
    81.........Injector No. 1 - Voltage low
    82.........Injector No. 2 - Voltage low
    83.........Injector No. 3 - Voltage low
    84.........Injector No. 4 - Voltage low
    85.........Injector No. 5 - Voltage low
    86.........Injector No. 6 - Voltage low
    87.........AC Cut-off Relay - Voltage low
    88.........AC Cut-off Relay - Voltage high
    89.........Heated Oxygen Sensor (HO2S) - Voltage low
    91.........Heated Oxygen Sensor (HO2S) - Voltage high
    92.........Camshaft position (CMP) sensor - incorrect signal
    93.........Camshaft position (CMP) sensor - Voltage low
    94.........Camshaft position (CMP) sensor - Voltage high
    95.........Hot Start Valve - Voltage low
    96.........Hot Start Valve - Voltage high
    97.........Traction Control Module - incorrect signal
    98.........Oxygen Sensor (O2S) - Voltage low
    113........Turbocharger wastegate control - boost pressure high
    114........Turbocharger idle boost pressure - above upper limit
    115........Turbocharger full boost pressure - below lower limit
    116........Turbocharger boost pressure - above upper limit
    117........Turbocharger wastegate regulating valve - voltage low
    118........Turbocharger wastegate regulating valve - voltage high
    119........Manifold Absolute Pressure (MAP) sensor - range/performance
    121........Oxygen Sensor (O2S) - lean mixture
    122........Oxygen Sensor (O2S) - rich mixture
    123........Intake Manifold air control solenoid 1 - blocked
    124........Intake Manifold air control solenoid 2 - blocked
    125........Manifold Absolute Pressure (MAP) sensor - below lower limit
    126........Manifold Absolute Pressure (MAP) sensor - above upper limit
    129........Exhaust Gas recirculation (EGR) system - voltage low
    131........Exhaust Gas recirculation (EGR) system - voltage high
    132........Exhaust Gas recirculation (EGR) system - incorrect signal
    133........Exhaust Gas recirculation (EGR) system 2 - voltage high
    133........Intake Manifold air control solenoid 2 - voltage low
    134........Exhaust Gas recirculation (EGR) system 2 - voltage low
    134........Intake Manifold air control solenoid 2 - voltage high
    135........Malfunction Indicator Lamp (MIL) - voltage low
    136........Engine Control Module (ECM)
    137........Engine Control Module (ECM) box - Temperature high
    138........Manifold Absolute Pressure (MAP) sensor - voltage low
    139........Manifold Absolute Pressure (MAP) sensor - voltage high
    143........Immobiliser - no/wrong signal
    144........Immobiliser - no signal
    145........Immobiliser - wrong signal

  3. #3
    Club Member Club Member Plug's Avatar
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    Anyone got the vacum plumb guide for the c20let? Might be worth putting in here, I've lost my copy and can't find it on my phone any help?
    Formally Known as Gsi_Jimbo, New name No Idea

    my project / my Daily / New track slag project

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    Thought this maybe useful in here


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    Very usefull cheers

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