1.6L SOHC Engine
WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
GENERAL SPECIFICATIONS
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Type | In-Line OHV, SOHC | |
| Number of Cylinders | 4 | |
| Compression Ratio | 10.5:1 | |
| Firing Order | 1-3-4-2 | |
| Max. Variation Between Cylinders | 25% | |
| Metric | Standard | |
| Displacement | 1.6 Liters | 97.6 cu. in. |
| Bore | 77.0 mm | 3.03 in. |
| Stroke | 85.8 mm | 3.377 in. |
| Compression Pressure | 1172-1551 kPa | 170-225 psi |
ENGINE BLOCK
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Cylinder Bore Diameter | 76.9924-77.0076 mm | 3.031-3.0317 in. |
| Out-of-Round (Max.) | 0.0076 mm | 0.0002 in. |
| Taper (Max.) | 0.051 mm | 0.002 in. |
PISTONS
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Piston Diameter | 76.956-76.974 mm | 3.029-3.030 in. |
| Clearance @ 40.25 mm (1.58 in.) from top of piston | 0.018-0.52 mm | 0.0008-0.0020 in. |
| Weight | 219-224 grams | 7.5-8.8 oz. |
| Land Clearance (Diametrical) | 0.758-0.790 mm | 0.0299-0.0312 in. |
| Piston Length | 46.25 mm | 1.82 in. |
| Piston Pin Hole Diameter | 19.008-19.015 mm | .748-.750 in. |
| Piston Ring Groove Width - Top Compression Ring | 1.215-1.235 mm | 0.0478-0.0486 in. |
| Piston Ring Groove Width - 2nd Compression Ring | 1.215-1.235 mm | 0.0478-0.0486 in. |
| Piston Ring Groove Width - Oil Ring | 2.521-2.541 mm | 0.0993-0.1000 in. |
PISTON PINS
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Clearance in Piston | 0.008-0.015 mm | 0.0003-0.0006 in. |
| Clearance in Connecting Rod | Interference | |
| Diameter | 18.995-19.000 mm | 0.7478-0.7480 in. |
| End Play | None | |
| Length | 56.50-57.00 mm | 2.224-2.2244 in. |
PISTON RINGS
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Ring Gap-Top Compression Ring | 0.20-0.36 mm | 0.007-0.014 in. |
| Wear Limit | 0.8 mm | 0.031 in. |
| Ring Gap-2nd Compression Ring | 0.25-0.46 mm | 0.009-0.018 in. |
| Wear Limit | 1.0 mm | 0.039 in. |
| Ring Gap-Oil Control Steel Rails | 0.20-0.58 mm | 0.0078-0.0228 in. |
| Wear Limit | 1.0 mm | 0.039 in. |
| Ring Side Clearance-Compression Rings | 0.025-0.065 mm | 0.0010-0.0026 in. |
| Wear Limit | 0.10 mm | 0.004 in. |
| Ring Side Clearance-Oil Ring Pack | 0.004-0.178 mm | 0.0002-0.0070 in. |
| Ring Width-Compression Rings | 1.17-1.19 mm | 0.046-0.047 in. |
| Ring Width-Oil Ring Pack | 2.354-2.517 mm | 0.093-0.099 in. |
CONNECTING ROD
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Bearing Clearance | 0.023-0.067 mm | 0.0009-0.0026 in. |
| Wear Limit | 0.075 mm | 0.003 in. |
| Bore Diameter-Piston Pin End | 18.96-18.98 mm | 0.746-0.747 in. |
| Bore Diameter-Crankshaft End | 47.005-46.991 mm | 1.8505-1.8500 in. |
| Connecting Rod - Length | 135.6 mm | 5.34 in. |
| Connecting Rod - Weight (less bearing) | 241.32 grams | 8.51 oz. |
| Side Clearance | 0.13-0.38 mm | 0.005-0.015 in. |
| Wear Limit | 0.40 mm | 0.016 in. |
CRANKSHAFT
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Connecting Rod Journal Diameter | 43.992-44.008 mm | 1.731-1.732 in. |
| Main Bearing Journal Diameter | 47.922-48.008 mm | 1.731-1.890 in. |
| Journal Out-of-Round (Max.) | 0.006 mm | 0.0002 in. |
| Journal Taper (Max.) | 0.008 mm | 0.0003 in. |
| End Play | 0.09-0.24 mm | 0.0035-0.0094 in. |
| Wear Limit | 0.37 mm | 0.015 in. |
| Main Bearing Clearance | 0.022-0.062 mm | 0.0008-0.0024 in. |
| Connecting Rod Bearing Clearance | 0.023-0.067 mm | 0.0009-0.0026 in. |
ROCKER ARM SHAFT
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Rocker Arm Shaft Diameter | 18.966-18.984 mm | 0.7466-0.7474 in. |
ROCKER ARM/HYDRAULIC LASH ADJUSTER
| DESCRIPTION | SPECIFICATIONS | |
|---|---|---|
| Metric | Standard | |
| Rocker Arm Inside Diameter (Shaft Bore) | 19.00-19.02 mm | 0.7480-0.7488 in. |
| Rocker Arm Shaft Clearance | 0.016-0.054 mm | 0.0006-0.0021 in. |
| Lash Adjuster Body Diameter | 11.978-11.966 mm | 0.4716-0.4711 in. |
| Plunger Travel Minimum (Dry) | 2.2 mm | 0.087 in. |
| Dry Lash-Intake | 1.50 mm | 0.059 in. |
| Dry Lash-Exhaust | 1.46 mm | 0.057 in. |
| Rocker Arm Ratio (Camshaft at Base Circle) | - | |
| Intake | 1.8 to 1 | |
| Exhaust | 1.5 to 1 | |
CYLINDER HEAD CAMSHAFT BEARING BORE
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Bearing Bore Diameter | 25.359-25.380 mm | 0.9984-0.9992 in. |
CAMSHAFT
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Journal Diameter | 25.290-25.309 mm | 0.9957-0.9964 in. |
| Bearing Clearance-Diametrical | 0.050-0.090 mm | 0.0027-0.003 in. |
| Bearing Clearance (Max. allowable) | 0.12 mm | 0.0047 in. |
| End Play | 0.05-0.39 mm | 0.002-0.015 in. |
| Lift (Zero Lash) | - | - |
| Intake | 8.55 mm | 0.337 in. |
| Exhaust | 8.00 mm | 0.314 in. |
| Exhaust Valve Timing* | - | |
| Closes (BTDC) | -0.5° | |
| Opens (BBDC) | 37.7° | |
| Duration | 218.2° | |
| Intake Valve Timing* | - | |
| Closes (ABC) | 37.7° | |
| Opens (BTDC) | -4.4° | |
| Duration | 213.3° | |
| Valve Overlap | -3.9° | |
| *All readings in crankshaft degrees, at 0.5 mm (0.019 in.) of valve lift. | ||
CYLINDER HEAD
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Material | Cast Aluminum | |
| Gasket Thickness (Compressed) | 0.60-0.70 mm | 0.023-0.0275 in. |
VALVE SEAT
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Angle | 45° | |
| Seat Diameter-Intake | 31.975-31.950 mm | 1.258-1.257 in. |
| Seat Diameter-Exhaust | 25.20-25.175 mm | 0.992-0.991 in. |
| Runout (Max.) | 0.05 mm | 0.002 in. |
| Valve Seat Width-Intake and Exhaust | 0.90-1.30 mm | 0.035-0.051 in. |
| Service Limit | 1.50 mm | 0.059 in. |
VALVE GUIDE
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | standard | |
| Inside Diameter | 5.975-6.000 mm | 0.235-0.236 in. |
| Guide Height (spring seat to guide tip) | 13.25-13.75 mm | 0.521-0.541 in. |
VALVES
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Face Angle Intake and Exhaust | 45-45.5° | |
| Head Diameter-Intake | 30.10-30.36 mm | 1.185-1.195 in. |
| - | ||
| Head Diameter-Exhaust | 23.13-23.39 mm | 0.910-0.920 in. |
| - | ||
VALVE MARGIN
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Intake | 1.16-1.50 mm | 0.0457-0.0591 in. |
| Service Limit | 0.95 mm | 1/32 in. |
| Exhaust | 1.61-1.95 mm | 0.063-0.077 in. |
| Service Limit | 1.05 mm | 3/64 in. |
VALVE LENGTH
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Intake | 109.28-109.78 mm | 4.302-4.322 in. |
| Exhaust | 118.08-118.58 mm | 4.649-4.669 in. |
VALVE STEM TIP HEIGHT
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Intake | 49.16 mm | 1.935 in. |
| Exhaust | 49.19 mm | 1.937 in. |
VALVE STEM DIAMETER
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Intake | 5.934-5.952 mm | 0.2337-0.2344 in. |
| Exhaust | 5.906-5.924 mm | 0.2326-0.2333 in. |
VALVE STEM TO GUIDE CLEARANCE
| DESCRIPTION | SPECIFICATION | |
| Metric | Standard | |
| Intake | 0.023-0.066 mm | 0.0009-0.0026 in. |
| Max. Allowable | 0.076 mm | 0.003 in. |
| Service Limit | 0.25 mm | 0.010 in. |
| Exhaust | 0.051-0.094 mm | 0.002-0.0037 in. |
| Max. Allowable | 0.101 mm | 0.004 in. |
| Service Limit | 0.25 mm | 0.010 in. |
VALVE SPRINGS
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Free Length (Approx.) | 51.3 mm | 2.02 in. |
| Nominal Force (Valve Closed) | 286-319 N @ 43.0 mm | 64.3-71.71 lbs. @ 1.6 in. |
| Nominal Force (Valve Open) | 759-833 N @ 34.45 mm | 170.63-187.27 lbs. @ 1.28 in. |
| Installed Height | 43.0 mm | 1.69 in. |
OIL PUMP
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| Relief Valve Opening Pressure | 413.69 kPa | 60 psi |
OIL PRESSURE
| DESCRIPTION | SPECIFICATION | |
|---|---|---|
| Metric | Standard | |
| (NOTE: At Normal Operating Temperatures) | ||
| Pressure @ Curb Idle Speed* | 25 kPa | 4 psi |
| Pressure @ 3000 RPM | 170-550 kPa | 25-80 psi |
| *If pressure is ZERO at idle, DO NOT run engine at 3000 RPM. | ||