FixVault
Home › Chevrolet › 2016 › Colorado Base › Repair and Diagnosis › External Pages › Different variant/trim › Section 11 (Engine Mechanical - 2.8L (LWN) Diesel) › Specifications › Engine Mechanical Specifications

Engine Mechanical Specifications

WARNING: This page is about a different variant/trim than selected.
Application Specification
Metric English
General
  • Engine Type
 Inline 4 Cylinder
  • Displacement
 2.8 Liter 171 cu in
  • RPO
 LWN
  • Bore
 94 mm 3.7008 in
  • Stroke
 100.05 mm 3.9390 in
  • Compression Ratio
 16.5:1
  • Maximum compression pressure variation between 2 cylinders
 500 KPa 72.5 psi
  • Idle Speed
 760 RPM (ATX)
875 RPM (MTX)
  • Firing Order
 1-3-4-2
Block
  • Cylinder Bore Internal Diameter
 94 mm 3.700 in
  • Cylinder Bore Out-of-Round
 0.007 mm 0.0003 in
  • Cylinder Head Deck Surface Flatness - Flatness/Span
 0.02 mm/75 mm 0.03 mm/106 mm 0.1 mm/400 mm 0.0008 in/2.95 in 0.0012 in/4.17 in 0.0039 in/15.75 in
Camshaft
  • Camshaft End Play - Maximum
 0.350 mm 0.013 in
  • Camshaft End Play - Minimum
 0.150 mm 0.006 in
  • Camshaft Inner Journal Diameter - at Cylinder Head
 26.000-26.015 mm 1.027-1.033 in
  • Camshaft Journal Clearance
 0.03-0.075 mm 0.001-0.003 in
  • Camshaft Lobe Lift - Exhaust - Production
 4.5 mm 0.177 in
  • Camshaft Lobe Lift - Intake - Production
 4.5 mm 0.177 in
  • Camshaft Outer Journal Diameter - at Crankshaft
 25.95 mm 1.021 in
Connecting Rod
  • Connecting Rod Diameter - Large End
 57.563 mm 2.266 in
  • Connecting Rod Diameter - Small End
 32 mm 1.26 in
Cooling System
  • Thermostat Opening Temperature
 80°C 176°F
Crankshaft
  • Crankshaft End Play
 0.10-0.33 mm 0.004-0.013 in
  • Crankshaft Journal Clearance - Maximum
 0.075 mm 0.003 in
  • Crankshaft Journal Clearance - Minimum
 0.030 mm 0.0012 in
  • Crankshaft Main Journal Diameter - Production
 65 mm 2.559 in
Cylinder Head
  • Cylinder Head Height
 135.5 mm 5.334 in
  • Surface Flatness - Deformation Tolerance - Flatness/Span
 0.05 mm/15 mm 0.075 mm Total 0.0019 in/0.59 in 0.0030 in Total
Exhaust Manifold
  • Surface Flatness - Deformation Tolerance
 0.075 mm 0.0030 in
Intake Manifold
  • Surface Flatness - Deformation Tolerance
 0.075 mm 0.0030 in
Lubrication System
  • Oil Capacity - with Filter
 6.0 qt 5.7 L
  • Oil Pressure - Minimum - Warm - at idle
 70 KPa 10 psi
  • Oil Pressure - Minimum - 3800 RPM
 250 KPa 36 psi
  • Oil Relief Valve Opening Pressure
 500 KPa 72.5 psi
Oil Pump
  • Oil Pump Inner Rotor End Play - Maximum
 0.01 mm 0.0004 in
  • Oil Pump Inner Rotor End Play - Minimum
 0.09 mm 0.0036 in
  • Oil Pump Outer Rotor End Play - Maximum
 0.09 mm 0.0036 in
  • Oil Pump Outer Rotor End Play - Minimum
 0.01 mm 0.0004 in
  • Oil Pump Outer Rotor to Body Diameter Clearance - Maximum
 0.130 mm 0.0051 in
  • Oil Pump Outer Rotor to Body Diameter Clearance - Minimum
 0.230 mm 0.0091 in
Piston Rings
  • Piston Ring End Gap - First Compression Ring
 0.25-0.65 mm 0.0098-0.0256 in
  • Piston Ring End Gap - Second Compression Ring
 0.30-0.45 mm 0.0118-0.0177 in
  • Piston Ring End Gap - Oil Control Ring
 0.25-0.50 mm 0.0098-0.0196 in
  • Piston Ring to Groove Clearance - First Compression Ring
 0.080-0.13 mm 0.0031-0.0051 in
  • Piston Ring to Groove Clearance - Second Compression Ring
 0.070-0.110 mm 0.0027-0.0043 in
  • Piston Ring to Groove Clearance - Oil Control Ring
 0.040-0.080 mm 0.0015-0.0031 in
Pistons and Pins
  • Piston Diameter - Production (as measured 39 mm from bottom of piston)
 93.793-93.807 mm 3.6926-3.6932 in
  • Piston Pin to Bore Clearance - Production
 0.015 mm 0.0006 in
  • Piston Pin Diameter
 32 mm 1.26 in
  • Piston Pin Length
 70.7-71.0 mm 2.78-2.79 in
Valve System
  • Valve Face Angle
 45 degrees 30'
  • Valve Head Diameter - Exhaust
 29.4 mm 1.15 in
  • Valve Head Diameter - Intake
 32.0 mm 1.25 in
  • Valve Lifters Diameter
 11.994 mm 0.472 in
  • Valve Seat Angle
 45 degrees
  • Valve Seat Runout
 0.6 mm 0.024 in
  • Valve Seat Width - Exhaust
 1.5-1.75mm 0.059-0.069 in
  • Valve Seat Width - Intake
 1.5-1.75mm 0.059-0.069 in
  • Valve Spring Free Length
 50.8 mm 2.00 in
  • Valve Spring Installed Height - Closed Valve
 38 mm 1.49 in
  • Valve Spring Installed Height - Open Valve
 29 mm 1.14 in
  • Valve Stem Diameter - Exhaust
 5.96 mm 0.235 in
  • Valve Stem Diameter - Intake
 5.97 mm 0.235 in
  • Valve Stem-to-Guide Clearance - Exhaust
 0.040-0.070 mm 0.0016-0.0028 in
  • Valve Stem-to-Guide Clearance - Intake
 0.030-0.060 mm 0.0012-0.0024 in
About FixVault