Announcement

Collapse
No announcement yet.

2.8L (VVT) Specifications

Collapse
X
Collapse
  •  

  • 2.8L (VVT) Specifications

    Application Specification
    Metric English
    General
    • Engine Type
    V-6
    • Displacement
    2.8*Liter 171*cu*in
    • RPO
    LP1
    • VIN
    T
    • Bore
    89*mm 3.5039*in
    • Stroke
    74.8*mm 2.9449*in
    • Compression Ratio
    10.0:1
    • Cranking RPM - at 40° C (104°F)
    80*RPM
    • Idle Speed
    600 A/C Off - 700 A/C On
    • Firing Order
    1-2-3-4-5-6
    • Spark Plug Gap
    1.1*mm 0.0433*in
    Block
    • Crankshaft Main Bearing Bore Diameter
    72.867-72.881*mm 2.8688-2.8693*in
    • Cylinder Bore Diameter
    88.992-89.008*mm 3.5036-3.5042*in
    • Cylinder Bore Out-of-Round - Production Max.
    0.013*mm 0.0005*in
    Camshaft
    • Camshaft Bearing Inside Diameter - Front Number*1
    35.000-35.020*mm 1.3779-1.3787*in
    • Camshaft Bearing Inside Diameter - Middle and Rear Number 2-4
    27.000-27.020*mm 1.0630-1.0638*in
    • Camshaft End Play
    0.045-0.215*mm 0.0018-0.0085*in
    • Camshaft Journal Diameter - Front Number*1
    34.936-34.960*mm 1.3754-1.3764*in
    • Camshaft Journal Diameter - Middle and Rear Number*2-4
    26.936-26.960*mm 1.0605-1.0614*in
    • Camshaft Journal Out-of-Round
    0.006*mm 0.0002*in
    • Camshaft Journal to Bore Clearance
    0.040-0.084*mm 0.0016-0.0033*in
    • Camshaft Lobe Duration - Exhaust @ 0.150*mm (0.0059*in) Lift
    252*degrees
    • Camshaft Lobe Duration - Intake @ 0.150*mm (0.0059*in) Lift
    237*degrees
    • Camshaft Lobe Lift - Exhaust
    42.456-42.756*mm 1.6715-1.6833*in
    • Camshaft Lobe Lift - Intake
    42.385-42.685*mm 1.6687-1.6805*in
    • Camshaft Lobe Overlap @ 0.150*mm (0.0059*in) Lift
    0*degrees
    • Camshaft Runout - Front and Rear Number 1 and 4
    0.025*mm 0.0010*in
    • Camshaft Runout - Middle 2 and 3
    0.050*mm 0.0020*in
    • Camshaft Timing @ 0.15*mm (0.0059*in) Lift
    • Valve Opens - Exhaust
    -283*degrees BTDC
    • Valve Opens - Intake
    14*degrees ATDC
    • Centerline - Exhaust
    118*degrees ATDC
    • Centerline - Intake
    132*degrees ATDC
    • Valve Closes - Exhaust
    9*degrees ATDC
    • Valve Closes - Intake
    251*degrees ATDC
    • Valve Lift - Exhaust
    10.8*mm 0.4252*in
    • Valve Lift - Intake
    10.8*mm 0.4252*in
    Cooling System
    • Thermostat Full Open Temperature
    95°C 203°F
    Connecting Rod
    • Connecting Rod Bearing Clearance
    0.010-0.070*mm 0.0004-0.0028*in
    • Connecting Rod Bore Diameter - Bearing End
    59.620-59.636*mm 2.3472-2.3479*in
    • Connecting Rod Bore Diameter - Pin End
    24.007-24.021*mm 0.9452-0.9457*in
    • Connecting Rod Length - Center to Center
    155.8*mm 6.1338*in
    • Connecting Rod Side Clearance
    0.095-0.355*mm 0.0037-0.0140*in
    • Connecting Rod Width - Bearing End
    • Production
    21.775*mm 0.8573*in
    • Service
    21.770-21.780*mm 0.8571-0.8575*in
    • Connecting Rod Width - Pin End
    • Production
    26.000*mm 1.0236*in
    • Service
    25.950-26.050*mm 1.0217-1.0256*in
    Crankshaft
    • Connecting Rod Journal Diameter
    55.992-56.008*mm 2.2044-2.2050*in
    • Connecting Rod Journal Out-of-Round
    0.005*mm 0.0002*in
    • Connecting Rod Journal Taper
    0.005*mm 0.0002*in
    • Connecting Rod Journal Width
    • Production
    22.000*mm 0.8661*in
    • Service
    21.920-22.080*mm 0.8630-0.8693*in
    • Crankshaft End Play
    0.100-0.330*mm 0.0039-0.0130*in
    • Crankshaft Main Bearing Clearance
    0.010-0.060*mm 0.0004-0.0024*in
    • Crankshaft Main Journal Diameter
    68.000*mm 2.6772*in
    • Crankshaft Main Journal Out-of-Round
    0.005*mm 0.0002*in
    • Crankshaft Main Journal Taper
    0.005*mm 0.0002*in
    • Crankshaft Main Journal Thrust Wall
    • Runout
    0.000-0.040*mm 0.0000-0.0016*in
    • Square
    0.000-0.010*mm 0.0000-0.0004*in
    • Crankshaft Main Journal Width, #2, 4
    • Production
    24.000*mm 0.9449*in
    • Service
    23.900-24.100*mm 0.9409-0.9488*in
    • Crankshaft Main Journal Width, #3
    • Production
    24.400*mm 0.9606*in
    • Service
    24.360-24.440*mm 0.9591-0.9622*in
    • Crankshaft Pilot Bearing Bore Diameter
    20.965-20.995*mm 0.8254-0.8266*in
    • Crankshaft Rear Flange Runout
    0.025*mm 0.0010*in
    • Crankshaft Reluctor Ring Runout - Maximum
    2.000*mm 0.0787*in
    • Crankshaft Runout
    0.030*mm 0.0012*in
    • Crankshaft Thrust Bearing Clearance
    0.076-0.305*mm 0.0030-0.0120*in
    • Crankshaft Thrust Surface - Height Diameter
    95.000*mm 3.7401*in
    • Crankshaft Thrust Surface Runout
    0.040*mm 0.0016*in
    Cylinder Head
    • Combustion Chamber Volume
    49.4*cc 3.015*cu*in
    • Valve Guide Bore - Exhaust
    6.000-6.020*mm 0.2362-0.2370*in
    • Valve Guide Bore - Intake
    6.000-6.020*mm 0.2362-0.2370*in
    • Valve Guide Installed Height
    14.050-14.550*mm 0.5531-0.5728*in
    • Valve Lifter Bore Diameter
    12.008-12.030*mm 0.4728-0.4736*in
    Lubrication System
    • Oil Capacity - With or Without Oil Filter Change
    5.7*Liters 6*Quarts
    • Oil Pressure - Minimum @ Idle
    69*kPa 10*psi
    • Oil Pressure - Minimum @ 2,000*RPM
    138*kPa 20*psi
    • Piston Cooling Jet Valve Opening Pressure
    1.7-2.3*bar 25-33*psi
    Oil Pump
    • Gear Diameter - Outer
    87.095-87.175*mm 3.4289-3.4321*in
    • Gear Pocket - Depth
    15.565-15.600*mm 0.6128-0.6142*in
    • Gear Pocket - Diameter
    87.275-87.325*mm 3.4360-3.4380*in
    • Gear Thickness - Drive/Driven
    15.511-15.536*mm 0.6107-0.6117*in
    • Gear-to-Cover Clearance - Drive/Driven
    0.030-0.085*mm 0.0012-0.0033*in
    • Gear-to-Housing Clearance - Drive/Driven
    0.100-0.230*mm 0.0039-0.0091*in
    • Inner Gear Tip Clearance
    0.075-0.180*mm 0.0030-0.0071*in
    • Crankshaft Clearance to Housing
    0.040-0.130*mm 0.0016-0.0051*in
    • Inner Gerotor Hub Diameter
    53.310-53.335*mm 2.0988-2.0998*in
    • Housing Hub Diameter
    53.380-53.420*mm 2.1016-2.1031*in
    • Inner Gerotor Hub Clearance to Housing
    0.045-0.110*mm 0.0018-0.0043*in
    Piston Rings
    • Piston Ring End Gap
    • First Compression Ring
    0.150-0.300*mm 0.0059-0.0118*in
    • Second Compression Ring
    0.280-0.480*mm 0.0110-0.0189*in
    • Oil Control Ring
    0.150-0.600*mm 0.0059-0.0236*in
    • Piston Ring to Groove Clearance
    • First Compression Ring
    0.030-0.065*mm 0.0012-0.0026*in
    • Second Compression Ring
    0.015-0.060*mm 0.0006-0.0024*in
    • Oil Control Ring
    0.030-0.170*mm 0.0012-0.0669*in
    • Piston Ring Thickness
    • First Compression Ring
    1.175-1.190*mm 0.0463-0.0469*in
    • Second Compression Ring
    1.470-1.495*mm 0.0579-0.0589*in
    • Oil Control Ring
    2.360-2.480*mm 0.0929-0.0976*in
    Pistons and Pins
    • Piston
    • Piston Diameter
    88.956-88.974*mm 3.5022-3.5029*in
    • Piston Pin Bore Diameter
    24.007-24.012*mm 0.9452-0.9454*in
    • Piston Ring Groove Width - First Compression Ring
    1.220-1.240*mm 0.0480-0.0488*in
    • Piston Ring Groove Width - Second Compression Ring
    1.510-1.530*mm 0.0595-0.0602*in
    • Piston Ring Groove Width - Oil Control Ring
    2.510-2.530*mm 0.0988-0.0996*in
    • Piston to Bore Clearance
    0.022-0.032*mm 0.0008-0.0013*in
    • Pin
    • Piston Pin Clearance to Connecting Rod Bore
    0.007-0.024*mm 0.0003-0.0010*in
    • Piston Pin Clearance to Piston Pin Bore
    0.007-0.015*mm 0.0003-0.0006*in
    • Piston Pin Diameter
    23.997-24.000*mm 0.9448-0.9449*in
    • Piston Pin Length
    65.24-65.74*mm 2.5685-2.5882*in
    Valve System
    • Valves
    • Valve Face Angle
    44.25*degrees
    • Valve Face Runout
    0.038*mm 0.0015*in
    • Valve Face Width - Exhaust
    2.750*mm 0.1083*in
    • Valve Face Width - Intake
    2.180*mm 0.0858*in
    • Valve Head Diameter - Exhaust
    30.470-30.730*mm 1.1996-1.2098*in
    • Valve Head Diameter - Intake
    35.03-35.29*mm 1.3791-1.3894*in
    • Valve Installed Height
    35.23-36.69*mm 1.3870-1.4445*in
    • Valve Length - Exhaust
    97.11*mm 3.8232*in
    • Valve Length - Intake
    101.23*mm 3.9854*in
    • Valve Seat Angle - Seating Surface
    45*degrees
    • Valve Seat Angle - Relief Surface
    30*degrees
    • Valve Seat Angle - Undercut Surface
    60*degrees
    • Valve Seat Runout - Maximum
    0.050*mm 0.0020*in
    • Valve Seat Width - Exhaust Seating Surface
    1.400-1.800*mm 0.0551-0.0709*in
    • Valve Seat Width - Exhaust Relief Surface
    0.700-0.900*mm 0.0276-0.0354*in
    • Valve Seat Width - Intake Seating Surface
    1.000-1.400*mm 0.0394-0.0551*in
    • Valve Seat Width - Intake Relief Surface
    0.500-0.700*mm 0.0197-0.0276*in
    • Valve Stem Diameter - Exhaust
    5.945-5.965*mm 0.2341-0.2348*in
    • Valve Stem Diameter - Intake
    5.955-5.975*mm 0.2344-0.2352*in
    • Valve Stem-to-Guide Clearance - Exhaust
    0.035-0.075*mm 0.0014-0.0030*in
    • Valve Stem-to-Guide Clearance - Intake
    0.025-0.065*mm 0.0010-0.0026*in
    • Valve Lifters
    • Valve Lifter Diameter
    11.989-12.000*mm 0.4720-0.4724*in
    • Valve Lifter-to-Bore Clearance
    0.037-0.041*mm 0.0015-0.0016*in
    • Rocker Arms
    • Valve Rocker Arm Ratio
    1.68 to 1
    • Valve Rocker Arm Roller Diameter
    17.740-17.800*mm 0.6987-0.7008*in
    • Valve Springs
    • Valve Spring Coil Thickness
    3.250 x 3.900*mm 0.1280 x 0.1535*in
    • Valve Spring Diameter - Inside Top
    12.090-12.590*mm 0.4760-0.4957*in
    • Valve Spring Diameter - Outside Top
    20.140*mm 0.7929*in
    • Valve Spring Diameter - Inside Bottom
    17.950-18.450*mm 0.7067-0.7264*in
    • Valve Spring Diameter - Outside Bottom
    26.000*mm 1.0236*in
    • Valve Spring Free Length
    42.050-44.850*mm 1.6555-1.7657*in
    • Valve Spring Installed Height - Closed
    35.000*mm 1.3779*in
    • Valve Spring Installed Height - Open
    24.000*mm 0.9449*in
    • Valve Spring Load - Closed
    247-273*N 56-61*lb
    • Valve Spring Load - Open
    598-662*N 134-149*lb
    • Valve Spring Total Number of Coils
    7.1

    Fastener Tightening Specifications

    Application Specification
    Metric English
    A/C
    • Compressor Bolt - Front
    50*N·m 37*lb*ft
    • Compressor Bolt - Rear
    22*N·m 17*lb*ft
    • Compressor Bracket Bolt - Front
    50*N·m 37*lb*ft
    • Compressor Hose Assembly Bolt
    9*N·m 80*lb*in
    Camshaft Position Actuator
    • Camshaft Bolt
    58*N·m 43*lb*ft
    • Oil Control Valve Bolt
    10*N·m 89*lb*in
    Camshaft Cap Bolt 10*N·m 89*lb*in
    Camshaft Cover Bolt 10*N·m 89*lb*in
    Camshaft Cover Bolt 10*N·m 89*lb*in
    Camshaft Intermediate Drive Sprocket Bolt - Idler Sprocket 58*N·m 43*lb*ft
    Camshaft Position Sensor Bolt 10*N·m 89*lb*in
    Catalytic Converter
    • Exhaust Manifold Nut
    50*N·m 37*lb*ft
    Close Out Cover Bolt 10*N·m 89*lb*in
    Clutch Pressure Plate Bolts 23*N·m 17*lb*ft
    Connecting Rod Bolt
    • First Pass
    30*N·m 22*lb*ft
    • Second Pass - Counter Clockwise
    Back Off to Zero
    • Third Pass
    25*N·m 18*lb*ft
    • Final Pass
    110*Degrees
    Coolant Outlet Bolt 10*N·m 89*lb*in
    Crankshaft Balancer Bolt
    • First Pass
    100*N·m 74*lb*ft
    • Final Pass
    150*Degrees
    Crankshaft Main Bearing Bolt
    Inner
    • First Pass
    20*N·m 15*lb*ft
    • Final Pass
    80*degrees
    Outer
    • First Pass
    15*N·m 10*lb*ft
    • Final Pass
    110*Degrees
    Side
    • First Pass
    30*N·m 22*lb*ft
    • Final Pass
    60*Degrees
    Crankshaft Position Sensor Bolt 10*N·m 89*lb*in
    Crankshaft Rear Oil Seal Housing Bolt 10*N·m 89*lb*in
    Cylinder Head Bolt - M8
    • First Pass
    15*N·m 10*lb*ft
    • Final Pass
    60*Degrees
    Cylinder Head Bolt - M11
    • First Pass
    45*N·m 33*lb*ft
    • Final Pass
    120*degrees
    Cylinder Head Core Hole Plug 31*N·m 23*lb*ft
    Drive Belt
    • Idler Pulley Bolt
    50*N·m 37*lb*ft
    • Tensioner Bolt
    50*N·m 37*lb*ft
    ECM
    • Bolt
    10*N·m 89*lb*in
    • Bracket Bolt - Front
    23*N·m 17*lb*ft
    • Bracket Bolt - Side
    10*N·m 89*lb*in
    • Grounding Bolt
    4.5*N·m 40*lb*in
    ECT Sensor 22*N·m 16*lb*ft
    Engine Flywheel Bolt
    • First Pass
    30*N·m 22*lb*ft
    • Final Pass
    45*Degrees
    Engine Front Cover Bolt 23*N·m 17*lb*ft
    Engine Mount
    • Bracket Bolt to Engine Block - M8
    38*N·m 28*lb*ft
    • Bracket Bolt to Engine Block - M10
    60*N·m 45*lb*ft
    • Nut to Engine Mount Bracket
    80*N·m 59*lb*ft
    • Nut to Frame
    80*N·m 59*lb*ft
    EVAP Purge Valve Bolt 10*N·m 89*lb*in
    Engine Wiring Harness Bracket
    • Bolt - Cylinder Head Rear
    40*N·m 30*lb*ft
    • Bolt - ECM Bracket Side
    23*N·m 17*lb*ft
    • Bolt - ECM Bracket Top
    10*N·m 89*lb*in
    • Bolt - Left Side Oil Filter Adapter
    10*N·m 89*lb*in
    • Bolt - Left Side Oil Pan
    10*N·m 89*lb*in
    • Bolt - Near Crankshaft Position Sensor
    50*N·m 37*lb*ft
    • Bolt - Right Side Block Front
    23*N·m 17*lb*ft
    • Bolt - Right Side Head Front
    10*N·m 89*lb*in
    Engine Wiring Harness Ground
    • Bolt - ECM Bracket Top
    10*N·m 89*lb*in
    • Bolt - Left Cylinder Head Side
    10*N·m 89*lb*in
    • Bolt - Right Cylinder Head Rear
    10*N·m 89*lb*in
    Exhaust Manifold
    • Bolt
    20*N·m 15*lb*ft
    • Heat Shield Bolt
    10*N·m 89*lb*in
    Fuel Rail Bolt 10*N·m 89*lb*in
    Generator
    • Bolt
    50*N·m 37*lb*ft
    • Bracket Bolt - Front
    50*N·m 37*lb*ft
    • Bracket Bolt - Side
    22*N·m 16*lb*ft
    • Cable Nut
    13*N·m 115*lb*in
    Ground Cable Bolt 50*N·m 37*lb*ft
    Heater Inlet/Outlet Pipe Assembly Bolt 10*N·m 89*lb*in
    Ignition Coil Bolt 10*N·m 89*lb*in
    Intake Manifold
    • Brace Bolt - Engine Front Cover M12
    65*N·m 48*lb*ft
    • Brace Bolt/Ball Stud - Intake Manifold M6
    10*N·m 89*lb*in
    • Sight Shield Ball Stud
    9*N·m 80*lb*in
    • Tuning Valve Bolt
    10*N·m 89*lb*in
    • Upper-to-Cylinder Head Bolt - Long
    23*N·m 17*lb*ft
    • Upper-to-Cylinder Head Bolt - Short
    23*N·m 17*lb*ft
    • Upper-to-Lower Intake Manifold Bolt
    23*N·m 17*lb*ft
    Knock Sensor Bolt 23*N·m 17*lb*ft
    MAP Sensor Bolt 10*N·m 89*lb*in
    Oil Drain Plug 25*N·m 18*lb*ft
    Oil Filter Cap 25*N·m 18*lb*ft
    Oil Filter Housing Adapter
    • Bolt - Cylinder Head M10
    65*N·m 48*lb*ft
    • Bolt - Engine Block M8
    23*N·m 17*lb*ft
    Oil Gallery Plug 31*N·m 23*lb*ft
    Oil Level Indicator Tube Bolt 10*N·m 89*lb*in
    Oil Level Sensor Bolt 10*N·m 89*lb*in
    Oil Pan
    • Bolt - Block M8
    23*N·m 17*lb*ft
    • Bolt - Crankshaft Rear Oil Seal Housing M6
    10*N·m 89*lb*in
    • Windage Tray Bolt
    10*N·m 89*lb*in
    Oil Pressure Sender 20*N·m 15*lb*ft
    Oil Pump
    • Bolt
    23*N·m 17*lb*ft
    • Cover Bolt
    13*N·m 115*lb*in
    Oxygen Sensor
    • Pump Converter Pipe
    40*N·m 30*lb*ft
    PCV Tube Bracket Bolt 10*N·m 89*lb*in
    Piston Oil Cooling Nozzle Bolt 10*N·m 89*lb*in
    Power Steering Pump
    • Bracket to Engine Bolt
    50*N·m 37*lb*ft
    • Pump to Bracket Bolt
    22*N·m 16*lb*ft
    • Reservoir Bolt - Lower
    25*N·m 18*lb*ft
    • Reservoir Bolt - Upper
    9*N·m 80*lb*in
    Primary Camshaft Drive Chain
    • Left Guide Bolt - Oil Pump
    13*N·m 115*lb*in
    • Tensioner Bolt
    23*N·m 17*lb*ft
    • Upper Guide Bolt
    23*N·m 17*lb*ft
    Radiator Outlet Pipe
    • Bolt - Generator Bracket
    23*N·m 17*lb*ft
    • Bolt - Right Cylinder Head Rear
    50*N·m 37*lb*ft
    • Bolt - Thermostat Housing
    23*N·m 17*lb*ft
    Secondary Camshaft Drive Chain
    • Guide Bolt
    23*N·m 17*lb*ft
    • Shoe Bolt
    23*N·m 17*lb*ft
    • Tensioner Bolt
    23*N·m 17*lb*ft
    Spark Plug 18*N·m 13*lb*ft
    Starter Motor
    • Bolt
    50*N·m 37*lb*ft
    • Cable Nut
    13*N·m 115*lb*in
    Suction Tube Bolt 10*N·m 89*lb*in
    Suction Screen Bolt 10*N·m 89*lb*in
    Thermostat Housing Bolt 10*N·m 89*lb*in
    Throttle Body Bolt 10*N·m 89*lb*in
    Torque Converter Bolt 60*N·m 44*lb*ft
    Transmission
    • Mount Bolt to Transmission - RPO*M82
    60*N·m 45*lb*ft
    • Range Selector Lever Nut
    9.5*N·m 84*lb*in
    • To Engine Bolt
    50*N·m 37*lb*ft
    Water Pump
    • Bolt
    10*N·m 89*lb*in
    • Pulley Bolt
    10*N·m 89*lb*in
      Posting comments is disabled.

    Article Tags

    Collapse

    There are no tags yet.

    Latest Articles

    Collapse

    • 2012 V6 Product Guide
      by bszopi
      GM has recently released their 2012 Product Guide, which details all of the engines and transmissions used in production vehicles, as well as the specs of the engines. Several years ago, we used to outline these updates, but have been lacking in getting the information out for the past few years. In an effort to try to keep the site up on the most recent releases from GM, I am trying to get this information back into articles again. With that said, on to the information.
      ...
      09-20-2011, 01:19 PM
    • 2.8L (VVT) Specifications
      by bszopi
      ...
      04-21-2010, 08:29 PM
    Working...
    X