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Old 12-14-2013, 10:39 PM   #42
satlite440
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2001 SL2
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Service Information


2014 Cadillac ATS | ATS VIN A Service Manual 5576614 | Engine/Propulsion | Engine Mechanical - 2.0L LTG or 2.5L LCV | Specifications | Document ID: 2775431
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Engine Mechanical Specifications (LTG)
Engine Mechanical Specifications Application
Specification

Metric
English

General Data

•Engine Type
Inline 4 Cylinder

•Displacement
2.0 L
122 CID

•RPO
LTG

•Liter (VIN)


•Bore
85.992–86.008 mm
3.3855–3.3861 in

•Stroke
86 mm
3.386 in

•Compression Ratio
9.50

•Spark Plug Gap
0.95–1.10 mm
0.037–0.043 in

Block

•Crankshaft Main Bearing Bore Diameter
60.862–60.876 mm
2.3961–2.3967 in

•Cylinder Bore Diameter
85.992–86.008 mm
3.3855–3.3861 in

•Cylinder Bore Out-of-Round – Maximum
0.013 mm
0.0005 in

•Cylinder Head Deck Surface Flatness – over 25 mm length
0.025 mm
0.001 in

•Cylinder Head Deck Surface Flatness – over 150 mm length
0.050 mm
0.002 in

Engine Block to Bedplate Flatness — overall
0.1 mm
0.0039 in

Engine Block to Bedplate Flatness — straightness
0.050 mm in 100 mm
0.002 in in 3.937 in

Piston Deck Height — Below Deck
1.155–1.725 mm
0.0455–0.0679 in

Camshaft

•Camshaft End Play
0.040–0.307 mm
0.0016–0.0121 in

•Camshaft Journal Diameter – Journal 1
34.935–34.960 mm
1.3754–1.3764 in

•Camshaft Journal Diameter – Journal 2 thru 5
26.935–26.960 mm
1.0604–1.0614 in

•Camshaft Thrust Width – Camshaft with Phaser installed
30.025–30.175 mm
1.1821–1.1880 in

•Camshaft Thrust Width – Cylinder Head
29.868–29.890 mm
1.1759–1.1768 in

Connecting Rod

•Connecting Rod Bearing to Crankpin Clearance
0.030–0.073 mm
0.0012–0.0029 in

•Connecting Rod Bore Diameter – Bearing End
52.118–52.134 mm
2.0519–2.05252 in

•Connecting Rod Bore Diameter – Pin End
24.007–24.017 mm
0.9452–0.9455 in

•Connecting Rod Side Clearance
0.070–0.370 mm
0.0028–0.0146 in

•Connecting Rod Straightness – Bend – Maximum
0.017 mm
0.0007 in

•Connecting Rod Straightness – Twist – Maximum
0.040 mm
0.0016 in

Crankshaft

•Connecting Rod Pin Diameter
48.999–49.015 mm
1.9291–1.9297 in

•Crankshaft End Play
0.040–0.270 mm
0.0016–0.0106 in

•Crankshaft Main Bearing Clearance
0.020–0.048 mm
0.0008–0.0019 in

•Crankshaft Main Journal Diameter
55.993–56.009 mm
2.2044–2.2051 in

Cylinder Head

•Surface Flatness – Block Deck – in 25 mm
0.025 mm
0.0001 in

•Surface Flatness – Block Deck – in 150 mm
0.050 mm
0.0019 in

•Surface Flatness – Block Deck – between bolts
0.030 mm
0.0012 in

•Surface Flatness – Block Deck – Overall
0.100 mm
0.0039 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 Lifter Bore Diameter – Stationary Lash Adjusters
12.008–12.030 mm
0.4728–0.4736 in

•Valve Seat Angle – Relief Surface
30 Degrees

•Valve Seat Angle – Seating Surface
45 Degrees

•Valve Seat Angle – Undercut Surface
60 Degrees

•Valve Seat Runout – Maximum
0.080 mm
0.0031 in

Lubrication System

•Oil Pressure – @700 RPM 100°C
140–200 kPa
20–29 psi

•Oil Capacity — 2WD
4.7L
5.0 quarts

•Oil Capacity — 4WD/AWD
5.7L
6.0 quarts

Piston Rings

•Piston Ring End Gap – Top
0.20–0.35 mm
0.008–0.014 in

•Piston Ring End Gap – Second
0.35–0.55 mm
0.014–0.022 in

•Piston Ring End Gap – Oil Control
0.25–0.75 mm
0.010–0.030 in

•Piston Ring to Groove Clearance – Top
0.04–0.08 mm
0.0015–0.0031 in

•Piston Ring to Groove Clearance – Second
0.030–0.070 mm
0.0012–0.0030 in

•Piston Ring to Groove Clearance – Oil Control
0.024–0.176 mm
0.0009–0.0069 in

•Piston Ring Thickness – Top
1.170–1.190 mm
0.0461–0.0469 in

•Piston Ring Thickness – Second
1.470–1.490 mm
0.0579–0.0587 in

•Piston Ring Thickness – Oil Control – Rail
0.447–0.473 mm
0.0176–0.0186 in

•Piston Ring Thickness – Oil Control – Spacer
0.960–1.040 mm
0.0378–0.0409 in

Pistons and Pins

•Pin – Piston Pin Clearance to Connecting Rod Bore
0.007–0.020 mm
0.0003–0.0008 in

•Pin – Piston Pin Clearance to Piston Pin Bore
0.005–0.013 mm
0.0002–0.0005 in

•Pin – Piston Pin Diameter
23.997–24.000 mm
0.9448–0.9449 in

•Pin – Piston Pin End Play
0.263–1.164 mm
0.0104–0.0458 in

•Piston – Piston Diameter – @14.8 mm up
85.968–85.982 mm
3.3846–3.3851 in

•Piston – Piston Pin Bore Diameter
24.005–24.010 mm
0.9451–0.9453 in

•Piston – Piston Ring Groove Width – Top
1.23–1.25 mm
0.0484–0.0492 in

•Piston – Piston Ring Groove Width – Second
1.52–1.54 mm
0.0598–0.0606 in

•Piston – Piston Ring Groove Width – Oil Control
2.01–2.03 mm
0.0791–0.0799 in

•Piston – Piston to Bore Clearance – w/polymer
−0.022 to +0.024 mm
−0.0009 to +0.0009 in

Valve System

•Valves – Valve Face Angle
45 Degrees

•Valves – Valve Face Runout – Maximum
0.040 mm
0.0016 in

•Valves – Valve Seat Runout – Maximum
0.080 mm
0.0031 in

•Valves – Valve Seat Gauge Ball Height – Exhaust
12.746–12.976 mm
0.4912–0.5038 in

•Valves – Valve Seat Gauge Ball Height – Intake
12.425–12.653 mm
0.4892–0.4981 in

•Valves – Valve Stem Diameter – Exhaust
5.945-5.965 mm
0.2341–0.2348 in

•Valves – Valve Stem Diameter – Intake
5.955–5.975 mm
0.2344–0.2352 in

•Valves – Valve Stem Installed Height
Check and Record

•Valves – Valve Stem to Guide Clearance – Exhaust
0.038–0.082 mm
0.0015–0.0032 in

•Valves – Valve Stem to Guide Clearance – Intake
0.030–0.057 mm
0.0012–0.0022 in

•Valve Lash Adjusters – Valve Lash Adjuster Diameter – Stationary Lash Adjuster
11.986–12.000 mm
0.0005–0.0020 in

•Valve Lash Adjusters – Valve Lash-Adjuster-to-Bore Clearance – Stationary Lash Adjuster
0.013–0.051 mm
3.2210–3.2299 in

•Valve Springs – Valve Spring Installed Height
35.0 mm
1.3779 in

•Valve Springs – Valve Spring Load – Closed – @35 mm
247–273 N
56–61 lb

•Valve Springs – Valve Spring Load – Open – @24 mm
598–662 N
134–149 lb

© 2013 General Motors. All rights reserved.

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