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2.0L Engine - Service Information: Application Jeep Compass I рестайлинг

Mechanical 2 illustrations ~589 words

SEALER APPLICATION

Mopar® Gasket Maker material should be applied sparingly 1 mm (0.040 in.) diameter or less of sealant to one gasket surface. Be certain the material surrounds each mounting hole. Excess material can easily be wiped off. Components should be torqued in place within 15 minutes. The use of a locating dowel is recommended during assembly to prevent smearing material off the location.

Mopar® Engine RTV GEN II or ATF RTV gasket material should be applied in a continuous bead approximately 3 mm (0.120 in.) in diameter. All mounting holes must be circled. For corner sealing and "T" joint locations, a 3.17 or 6.35 mm (1/8 or 1/4 in.) drop is placed in the center of the gasket contact area. Uncured sealant may be removed with a shop towel. Components should be torqued in place while the sealant is still wet to the touch (within 10 minutes). The usage of a locating dowel is recommended during assembly to prevent smearing material off the location.

Mopar® Gasket Sealant in an aerosol can should be applied using a thin, even coat sprayed completely over both surfaces to be joined, and both sides of a gasket. Then proceed with assembly. Material in a can w/applicator can be brushed on evenly over the sealing surfaces.

Scheme 242

Scheme 242: CYLINDER HEAD CORE PLUGS
Scheme 242: CYLINDER HEAD CORE PLUGS

Using a blunt tool (3) such as a drift and a hammer, strike the bottom edge of the cup plug (5). With the cup plug rotated, grasp firmly with pliers or other suitable tool (2) and remove plug (5).

CAUTIONDo not drive cup plug into the casting as restricted cooling can result and cause serious engine problems.

Thoroughly clean inside of cup plug hole in cylinder head. Be sure to remove old sealer. Lightly coat inside of cup plug hole with Mopar® Stud and Bearing Mount (or equivalent). Make certain the new plug is cleaned of all oil or grease. Using proper drive plug, drive plug into hole so that the sharp edge of the plug is at least 0.5 mm (0.020 in.) inside the lead-in chamfer.

It is not necessary to wait for curing of the sealant. The cooling system can be refilled and the vehicle placed in service immediately.

Scheme 243

Scheme 243: MEASURING BEARING CLEARANCE USING PLASTIGAGE
Scheme 243: MEASURING BEARING CLEARANCE USING PLASTIGAGE

Engine crankshaft bearing clearances can be determined by use of Plastigage or equivalent. The following is the recommended procedure for the use of Plastigage

  1. Remove oil film from surface to be checked. Plastigage is soluble in oil.
  2. Place a piece of Plastigage (1) across the entire width of the journal. (In addition, suspected areas can be checked by placing the Plastigage in the suspected area). Tighten the bearing cap bolts of the bearing being checked to the proper specifications. Refer to «Specifications»(ref-462490-S21593874222012040500000) .
  3. Remove the bearing cap and compare the width of the flattened Plastigage with the scale provided on the package. Locate the band closest to the same width. This band shows the amount of clearance. Differences in readings between the ends indicate the amount of taper present. Record all readings taken. Compare clearance measurements to specs found in engine specifications. Refer to «Specifications»(ref-462490-S21593874222012040500000) . Plastigage generally is accompanied by two scales. One scale is in inches, the other is a metric scale. NOTE: Plastigage is available in a variety of clearance ranges. Use the most appropriate range for the specifications you are checking.
  4. Install the proper crankshaft bearings to achieve the specified bearing clearances.
DESCRIPTIONSPECIFICATION
MetricStandard
TypeIn-Line OHV, DOHC
Number of Cylinders4
Firing Order1-3-4-2
Compression Ratio10.5:1
Displacement2.0 L122 cu. in.
Bore86 mm3.386 in.
Stroke86 mm3.386 in.
Compression Pressure1172 - 1551 kPa170 - 225 psi
Max. Variation Between Cylinders25%

GENERAL SPECIFICATIONS

DESCRIPTIONSPECIFICATION
MetricStandard
MaterialCast Aluminum
Cylinder Bore Diameter
A86.0 - 86.010 mm3.3858 - 3.3862 in.
B86.010 - 86.020 mm3.3862 - 3.3866 in.
C86.020 - 86.030 mm3.3866 - 3.3869 in.
Cylinder Bore Out-of-Round (Max.)0.020 mm0.0008 in.
Cylinder Bore Taper (Max.)0.028 mm0.001 in.
Main Bearing Bore Diameter
156.000 - 56.006 mm2.2047 - 2.2049 in.
256.006 - 56.012 mm2.2049 - 2.2051 in.
356.012 - 56.018 mm2.2051 - 2.2054 in.
Main Bearing Bore Diameter Taper (Max.)0.0082 mm0.0003 in.

CYLINDER BLOCK

DESCRIPTIONSPECIFICATION
MetricStandard
Piston Diameter
A85.995 - 86.015 mm3.3856 - 3.3864 in.
B86.005 - 86.025 mm3.3860 - 3.3868 in.
C86.015 - 86.035 mm3.3864 - 3.3872 in.
Clearance to Bore(-0.015) - 0.015 mm(-0.0006) - 0.0006 in.
Weight345 - 355 grams12.17 - 12.52 oz.
Land Clearance (Diametrical)0.60 - 0.73 mm0.0236 - 0.0287 in.
Piston Length49.0 mm2.929 in.
Piston Ring Groove Depth No. 13.51 - 3.68 mm0.1382 - 0.0256 in.
Piston Ring Groove Depth No. 24.05 - 4.25 mm0.1594 - 0.1673 in.
Piston Ring Groove Depth No. 32.70 - 2.90 mm0.1063 - 0.1142 in.

PISTONS

DESCRIPTIONSPECIFICATION
MetricStandard
Ring Gap-Top Compression Ring0.15 - 0.30 mm0.0059 - 0.0118 in.
Wear Limit0.8 mm0.031 in.
Ring Gap-2nd Compression Ring0.30 - 0.45 mm0.0118 - 0.0177 in.
Wear Limit0.8 mm0.031 in.
Ring Gap-Oil Control Steel Rails0.20 - 0.70 mm0.0079 - 0.0276 in.
Wear Limit1.0 mm0.039 in.
Ring Side Clearance-Compression Rings0.03 - 0.07 mm0.1182 - 0.0028 in.
Wear Limit0.10 mm0.004 in.
Ring Side Clearance-Oil Ring Pack0.06 - 0.15 mm0.0024 - 0.0059 in.
Ring Width-Top Compression Ring2.95 - 3.25 mm0.1161 - 0.1280 in.
Ring Width-2nd Compression Ring3.45 - 3.75 mm0.1358 - 0.1476 in.
Ring Width-Oil Ring Pack2.30 - 2.60 mm0.0906 - 0.1024 in.
Ring Thickness-Top Compression Ring1.17 - 1.19 mm0.0461 - 0.0469 in.
Ring Thickness-2nd Compression Ring1.17 - 1.19 mm0.0461 - 0.0469 in.
Ring Thickness-Oil Ring Pack1.88 - 1.95 mm0.0740 - 0.0768 in.

PISTON RINGS

DESCRIPTIONSPECIFICATION
MetricStandard
Bearing Clearance0.032 - 0.060 mm0.001 - 0.002 in.
Wear Limit0.070 mm0.0027 in.
Bore Diameter-Piston Pin20.974 - 20.985 mm0.8257 - 0.8261 in.
Bore Diameter-Crankshaft End51 - 51.015 mm2.0078 - 2.0084 in.
Side Clearance0.1 - 0.25 mm0.0039 - 0.0098 in.
Wear Limit0.27 mm0.0106 in.
Weight-Total (Less Bearing)490 grams17.28 oz.

CONNECTING ROD

DESCRIPTIONSPECIFICATION
MetricStandard
Connecting Rod Journal Diameter
Journal Grade
147.966 - 47.972 mm1.8884 - 1.8886 in.
247.960 - 47.966 mm1.8884 - 1.8881 in.
347.954 - 47.960 mm1.8879 - 1.8881 in.
Rod Journal- Taper (Max)0.005 mm0.0001 in.
Main Bearing Journal Diameter
Journal Grade
051.985 - 51.988 mm2.0466 - 2.0467 in.
151.982 - 51.985 mm2.0465 - 2.0466 in.
251.979 - 51.982 mm2.0464 - 2.0465 in.
351.976 - 51.979 mm2.0462 - 2.0464 in.
451.973 - 51.976 mm2.0461 - 2.0462 in.
Journal Out-of-Round (Max.)0.005 mm0.0001 in.
Journal Taper (Max.)0.006 mm0.0002 in.
End Play0.05 - 0.25 mm0.0019 - 0.0098 in.
Wear Limit0.30 mm0.0118 in.
Main Bearing Diametrical Clearance0.028 - 0.048 mm0.0011 - 0.0018 in.
Main Bearing Diametrical Clearance (Max)0.058 mm0.0022 in.

CRANKSHAFT

DESCRIPTIONSPECIFICATION
MetricStandard
Cam Bearing Bore
Front Intake30.000 - 30.021 mm1.1810 - 1.1819 in.
Front Exhaust40.000 - 40.024 mm1.5747 - 1.5756 in.
Cam Bearing Bore No. 1-424.000 - 24.021 mm0.9448 - 0.9457 in.

CYLINDER HEAD CAMSHAFT BEARING BORE DIAMETER

DESCRIPTIONSPECIFICATION
MetricStandard
Cam Journal Diameter
Front Intake Cam29.964 - 29.980 mm1.1797 - 1.1803 in.
Front Exhaust Cam35.984 - 36.000 mm1.4166 - 1.4173 in.
Cam Journal Diameter No. 1-423.954 - 23.970 mm0.943 - 0.944 in.
Bearing Clearance - Diametrical
Front Intake Journal0.020 - 0.057 mm0.0008 - 0.0022 in.
Front Exhaust Journal0.019 - 0.051 mm0.0007 - 0.0020 in.
All Others0.020 - 0.067 mm0.0008 - 0.0026 in.
End Play0.11 - 0.25 mm0.004 - 0.009 in.
Max Lift @ 0.2mm (0.007 in.) lash
Intake9.2 mm0.362 in.
Max Lift @ 0.28mm (0.011 in.) lash
Exhaust8.42 mm0.331 in.
Intake Valve Timing w/VVT in lock-pin position*
Closes (ABDC)49.3°
Opens (ATDC)10.3°
Duration219°
Exhaust Valve Timing w/ VVT in lock-pin position*
Closes (BTDC)8.45°
Opens (BBDC)45°
Duration216.55°
Valve Overlap @ 0.5mm (0.019 in.) w/ VVT in lock-pin position18.75°
* All reading in crankshaft degrees at 0.5 mm (0.019 in.) valve lift.

CAMSHAFT

DESCRIPTIONSPECIFICATION
MetricStandard
MaterialCast Aluminum - Heat treated
Gasket Thickness (Compressed)0.54 mm0.021 in.
Valve Tappet Bore I.D.32.000 - 32.025 mm1.2598 - 1.2608 in.
Valve Tappet O.D31.964 - 31.980 mm1.2584 - 1.2590 in.

CYLINDER HEAD

DESCRIPTIONSPECIFICATION
MetricStandard
Angle44.75° - 45.10°
Seat Outer Diameter - Intake34.45 - 34.61 mm1.3562 - 1.3625 in.
Seat Outer Diameter - Exhaust28.04 - 28.20 mm1.1039 - 1.1102 in.
Runout (Max.)0.05 mm0.002 in.
Valve Seat Width
Intake1.16 - 1.46 mm0.0456 - 0.0574 in.
Service Limit2.0 mm0.079 in.
Exhaust1.35 - 1.65 mm0.0531 - 0.0649 in.
Service Limit2.5 mm0.098 in.

VALVE SEAT

DESCRIPTIONSPECIFICATION
MetricStandard
Diameter I.D.5.500 - 5.518 mm0.2165 - 0.2172 in.
Guide Bore Diameter10.983 - 11.001 mm0.432 - 0.4331 in.
Guide Height (spring seat to guide tip)14.6 - 15.2 mm0.5748 - 0.5984 in.

VALVE GUIDE

DESCRIPTIONSPECIFICATION
MetricStandard
Face Angle - Intake and Exhaust45.25° - 45.75°
Head Diameter - Intake34.9 - 35.1 mm1.374 - 1.3818 in.
Head Diameter - Exhaust28.9 - 29.1 mm1.1377 - 1.1456 in.
Valve Lash
Intake0.17 - 0.23 mm0.006 - 0.009 in.
Exhaust0.27 - 0.33 mm0.010 - 0.012 in.
Valve Length (Overall)
Intake113.18 mm4.455 in.
Exhaust105.887 mm4.168 in.
Valve Stem Diameter
Intake5.465 - 5.480 mm0.2151 - 0.2157 in.
Exhaust5.458 - 5.470 mm0.2148 - 0.2153 in.

VALVES

DESCRIPTIONSPECIFICATION
MetricStandard
Intake0.672 mm0.0264 in.
Exhaust0.744 mm0.02929 in.

VALVE MARGIN

DESCRIPTIONSPECIFICATION
MetricStandard
Intake48.04 mm1.891 in.
Exhaust47.99 mm1.889 in.

VALVE STEM TIP

DESCRIPTIONSPECIFICATION
MetricStandard
Intake0.020 - 0.053 mm0.0008 - 0.0021 in.
Max. Allowable0.076 mm0.003 in.
Exhaust0.030 - 0.060 mm0.0012 - 0.0024 in.
Max. Allowable0.101 mm0.004 in.

VALVE STEM TO GUIDE CLEARANCE

DESCRIPTIONSPECIFICATION
MetricStandard
Free Length (Approx.)47.0 mm1.850 in.
Nominal Force (Valve Closed)179.5 N ± 9 @ 35.0 mm40.35 lbs. @ 1.38 in.
Nominal Force (Valve Open)364.8 N ± 17 N @ 29.25 mm82.01 lbs. ± 3.82 lbs. @ 1.152 in.
Installed Height35.00 mm1.378 in.
Number of Coils8.5 ± 0.1
Wire Diameter2.90 mm ± 0.030.114 in ± 0.001 in.

VALVE SPRINGS

DESCRIPTIONSPECIFICATION
MetricStandard
At Curb Idle Speed*25 kPa4 psi. min.
At 3000 RPM170 - 550 kPa25 - 80 psi.
CAUTION: *If pressure is ZERO at curb idle, DO NOT run engine at 3000 RPM.
CAUTION
*If pressure is ZERO at curb idle, DO NOT run engine at 3000 RPM.

OIL PRESSURE

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