BELT TENSION
| Application | (1) Belt Deflection |
|---|
| 1.6L |
| A/C Compressor | .236-.354" (6-9 mm) |
| Generator/Water Pump |
| New Belt | .197-.278" (5-7 mm) |
| Used Belt (2) | .236-.315" (6-8 mm) |
| Power Steering Pump | .236-.354" (6-9 mm) |
| 2.0L |
| Accessory Drive Belt | (3) |
| Cooling Fan |
| New Belt | .157-.197" (4-5 mm) |
| Used Belt (2) | .197-.276" (5-7 mm) |
| All Others (Serpentine Belt) | (3) |
| (1) Deflection is with 22 lbs. (10 kg) pressure applied midway on longest belt run. (2) Used belt is a belt in operation for more than 5 minutes. (3) Adjustment of serpentine belt is not necessary. Belt tension is maintained by spring-tensioned idler pulley (some equipped with belt wear indicator). |
| (1) | Deflection is with 22 lbs. (10 kg) pressure applied midway on longest belt run. |
| (2) | Used belt is a belt in operation for more than 5 minutes. |
| (3) | Adjustment of serpentine belt is not necessary. Belt tension is maintained by spring-tensioned idler pulley (some equipped with belt wear indicator). |
ENGINE COMPRESSION
| Application | Specification |
|---|
| Normal Compression Pressure |
| 1.6L & 2.0L | 199 psi (14.0 kg/cm 2 ) |
| 2.2L, 3.4L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L & 7.4L | (1) |
| 6.5L | (2) |
| Minimum Compression Pressure |
| 1.6 & 2.0L | 170 psi (12.0 kg/cm 2 ) |
| 2.2L, 3.4L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L & 7.4L | (1) |
| 6.5L | (2) |
| (1) Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi (7 kg/cm 2 ). (2) Lowest compression reading should not be less than 80 percent of highest compression reading. No cylinder compression reading should be less than 370 psi (27 kg/cm 2 ). |
| (1) | Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi (7 kg/cm 2 ). |
| (2) | Lowest compression reading should not be less than 80 percent of highest compression reading. No cylinder compression reading should be less than 370 psi (27 kg/cm 2 ). |
ENGINE COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
| Application | In. (mm) |
|---|
| 1.6L |
| Intake |
| Cold | .005-.007 (.13-.17) |
| Hot | .007-.008 (.17-.21) |
| Exhaust |
| Cold | .009-.011 (.23-.27) |
| Hot | .011-.013 (.28-.32) |
| All Others | (1) |
| (1) Equipped with hydraulic lifters. Adjustment is not required. |
| (1) | Equipped with hydraulic lifters. Adjustment is not required. |
VALVE CLEARANCE SPECIFICATIONS
IGNITION COIL
| Application | Ohms |
|---|
| 1.6L | 8500-11,500 |
| All Others | (1) |
| (1) Information is not available from manufacturer. |
| (1) | Information is not available from manufacturer. |
HIGH TENSION WIRE RESISTANCE
| Application | Ohms |
|---|
| 1.6L | 1200-3000 Per Ft. |
| 2.0L | (1) |
| 3.4L | 600 Per Ft. |
| All Others | 30,000 Maximum |
| (1) Not equipped with high tension secondary wires. |
| (1) | Not equipped with high tension secondary wires. |
HIGH TENSION WIRE RESISTANCE
SPARK PLUGS
| Application | Type | Part No. |
|---|
| 1.6L | Denso | K20PR-U11 |
| NGK | BKR6E-11 |
| 2.0L | Denso | SK16PR11 Or PK16PR11 |
| NGK | IFR5G11 Or PFR5G-11 |
| 2.2L | AC | 41-948 |
| 3.4L | AC | 41-940 |
| 4.3L | AC | CR43TSM |
| 4.8L, 5.0L, 5.3L, 5.7L, 6.0L & 7.4L | AC | 41-932 |
| Application | Gap In. (mm) | Torque Ft. Lbs. (N.m) |
|---|
| 1.6L & 2.0L | .039-.043 (1.0-1.1) | 18 (25) |
| 2.2L | .050 (1.27) | 11 (15) |
| 3.4L | .060 (1.52) | 20 (27) |
| 4.3L |
| VIN W | .060 (1.52) | (1) 11 (15) |
| VIN X | .045 (1.14) | (1) 11 (15) |
| 4.8L, 5.0L, 5.3L, 5.7L & 6.0L | .060 (1.52) | (2) 11 (15) |
| 7.4L | .060 (1.52) | (2) 15 (20) |
| (1) Tighten spark plugs to 22 ft. lbs. (30 N.m) if installing into NEW cylinder head. (2) Tighten spark plugs to 22 ft. lbs. (30 N.m) when using NEW iron cylinder head. Tighten spark plugs to 15 ft. lbs. (20 N.m) when using NEW aluminum cylinder head. |
| (1) | Tighten spark plugs to 22 ft. lbs. (30 N.m) if installing into NEW cylinder head. |
| (2) | Tighten spark plugs to 22 ft. lbs. (30 N.m) when using NEW iron cylinder head. Tighten spark plugs to 15 ft. lbs. (20 N.m) when using NEW aluminum cylinder head. |
SPARK PLUG SPECIFICATIONS
FIRING ORDER
Scheme 1
Scheme 1: Firing Order (1.6L, 2.0L & 2.2L)
Scheme 2
Scheme 2: Firing Order, Cylinder Identification & Spark Plug Wire Routing (3.4L)
Scheme 3
Scheme 3: Firing Order, Cylinder Identification & Spark Plug Wire Routing (4.3L)
Scheme 4
Scheme 4: Firing Order & Cylinder identification (4.8L, 5.3L, 6.0L & 6.5L Diesel)
Scheme 5
Scheme 5: Firing Order, Cylinder Identification & Spark Plug Wire Routing (5.0L, 5.7L & 7.4L)
IGNITION TIMING (GASOLINE)
All models are equipped with an electronic computer-controlled ignition system. Timing on this system is only adjustable on Tracker equipped with 2.0L engine. Timing should be set to 5 degrees BTDC. For adjustment procedure, see ON-VEHICLE ADJUSTMENTS - TRUCKS - EXCEPT TRACKER article.
INJECTION PUMP TIMING (DIESEL)
Injection pump timing can be checked using scan tool. See DIESEL INJECTION PUMP TIMING table. For adjustment procedure, see ON-VEHICLE ADJUSTMENTS - TRUCKS - EXCEPT TRACKER article.
| Application | RPM | Degrees BTDC |
|---|
| 6.5L | Idle | 3.5 |
DIESEL INJECTION PUMP TIMING
FUEL PUMP
| Application | Psi (kg/cm 2 ) |
|---|
| 1.6L & 2.0L | (1) 36-43 (2.5-3.0) |
| 2.2L | 41-47 (2.9-3.3) |
| 3.4L | 52-59 (3.7-4.1) |
| 4.3L, 5.0L & 5.7L | 60-66 (4.2-4.6) |
| 4.8L, 5.3L, 6.0L & 7.4L | 55-62 (4.0-4.4) |
| (1) Pressure should maintain at least 26 psi (1.8 kg/cm 2 ) for one minute after fuel pump is turned off. |
| (1) | Pressure should maintain at least 26 psi (1.8 kg/cm 2 ) for one minute after fuel pump is turned off. |
INJECTOR RESISTANCE
| Application | Ohms |
|---|
| 1.6L & 2.0L | 13-16 |
| 2.2L | 2.0-2.3 |
| 3.4L | 11.4-12.6 |
| 4.8L, 5.3L & 6.0L | 11.8-12.6 |
| All Others | (2) |
| (1) Injector resistance specification is at 50-95°F (10-35°C). (2) Resistance values are not available from manufacturer. To check fuel injectors, perform appropriate injector test. See FUEL SYSTEM in appropriate SYSTEM & COMPONENT TESTING article. |
| (1) | Injector resistance specification is at 50-95°F (10-35°C). |
| (2) | Resistance values are not available from manufacturer. To check fuel injectors, perform appropriate injector test. See FUEL SYSTEM in appropriate SYSTEM & COMPONENT TESTING article. |
INJECTOR RESISTANCE SPECIFICATIONS (1)
IDLE SPEED & MIXTURE
Note. Idle speed and mixture is not adjustable on vehicles equipped with diesel engines.
Idle mixture on fuel injected models is controlled by PCM and is not adjustable. Controlled idle speed and IAC count can be checked using scan tool. See CONTROLLED IDLE SPEED & IAC COUNT table. For controlled idle speed adjustment procedures, see appropriate ON-VEHICLE ADJUSTMENTS article.
| Application | Idle RPM | IAC Counts |
|---|
| 1.6L & 2.0L | 725-775 | (1) 17-30 |
| 2.2L | (2) | 5-60 |
| 3.4L | Varies | Varies |
| 4.3L | 650 | 18 |
| 4.8L, 5.3L & 6.0L | (2) | Varies |
| 5.0L & 5.7L | 650 | 48 |
| 7.4L | 650 | 60 |
| (1) Specification is duty cycle percentage. (2) Information is not available from manufacturer. |
| (1) | Specification is duty cycle percentage. |
| (2) | Information is not available from manufacturer. |
CONTROLLED IDLE SPEED & IAC COUNT
THROTTLE POSITION (TP) SENSOR
Note. On 6.5L diesel engines, throttle control is electronic with NO mechanical link from engine to accelerator pedal. The PCM monitors the position of accelerator pedal based on signals from a nonadjustable Accelerator Pedal Position (APP) module. The APP module is mounted above the accelerator pedal.
| Application | Voltage |
|---|
| 1.6L & 2.0L | .50-.80 |
| 2.2L | .20-.90 |
| 3.4L | .20-.74 |
| 4.3L, 5.0L, 5.7L & 7.4L | .47 |
| 4.8L, 5.3L & 6.0L | .40-.90 |
| (1) Specification is with engine idling (throttle closed) at normal operating temperature. |
| (1) | Specification is with engine idling (throttle closed) at normal operating temperature. |
THROTTLE POSITION (TP) SENSOR VOLTAGE (1)
