INTRODUCTION
Use this article to quickly find specifications related to servicing and on-vehicle adjustments. This is a quick-reference article to use when you are familiar with an adjustment procedure and only need a specification.
CAPACITIES
| Application | (1) Quantity |
|---|
| Crankcase (Includes Filter) | 7.8 Qts. (7.4L) |
| Cooling System (Includes Heater) |
| With Front Heater Only | 13.2 Qts. (12.5L) |
| With Front & Rear Heater | 14.2 Qts. (13.4L) |
| Automatic Transmission (Dexron-II) |
| Dry Refill | 11.6 Qts. (11.0L) |
| Drain & Refill | 2.0 Qts. (1.9L) |
| Differential (SAE 80W-90/API GL-5) |
| Front Axle |
| With Front & Rear Differential Lock | 2.8 Qts. (2.7L) |
| Without Front & Rear Differential Lock | 3.0 Qts. (2.8L) |
| Rear Axle | 3.4 Qts. (3.2L) |
| Transfer Case (SAE 75W-90/API GL-5) | 1.8 Qts. (1.7L) |
| (1) Approximate quantity listed. |
| (1) | Approximate quantity listed. |
SERVICE INTERVALS & SPECIFICATIONS
| Component | Months | Miles |
|---|
| Air Filter | 24 | 30,000 |
| Automatic Transmission Fluid (1) |
| Normal Service | (2) | (2) * |
| Severe Service | 12 | 15,000 |
| Coolant | 24 | 30,000 |
| Differential Fluid (1) |
| Front Differential |
| Normal Service | (2) | (2) * |
| Severe Service | 12 | 15,000 |
| Rear Differential |
| Normal Service | (2) | (2) * |
| Severe Service | 12 | 15,000 |
| Oil & Filter (1) |
| Normal Service | 6 | 7500 |
| Severe Service | 4 | 5000 |
| Repack Front Wheel Bearings | 24 | 30,000 |
| Spark Plugs | 24 | 30,000 |
| Transfer Case Fluid (1) |
| Normal Service | (2) | (2) |
| Severe Service | 12 | 15,000 |
| (1) Different interval is required for normal service and severe service. Severe service is described as trailer towing, police, taxi, local delivery service or operating in dusty conditions. (2) Service interval is not available from manufacturer. |
| (1) | Different interval is required for normal service and severe service. Severe service is described as trailer towing, police, taxi, local delivery service or operating in dusty conditions. |
| (2) | Service interval is not available from manufacturer. |
| Application | Months | Miles |
|---|
| Land Cruiser, LX450 (1) | 48 | 60,000 |
| (1) Manufacturer recommends listening for valve noise from excessive valve clearance. Adjust valve clearance is valve noise exists. |
| (1) | Manufacturer recommends listening for valve noise from excessive valve clearance. Adjust valve clearance is valve noise exists. |
VALVE CLEARANCE ADJUSTMENT INTERVALS
| Application | New Belt | (2) Used Belt |
|---|
| A/C | 150 (68) | 100 (45) |
| Generator | 130 (59) | 88 (40) |
| (1) Tension in Lbs. (kg) using Burroughs tension gauge. (2) Used belt is a belt in operation at least 5 minutes. |
| (1) | Tension in Lbs. (kg) using Burroughs tension gauge. |
| (2) | Used belt is a belt in operation at least 5 minutes. |
ENGINE COMPRESSION
Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed and throttle wide open.
| Application | Specification |
|---|
| Compression Ratio | 9.0:1 |
| Compression Pressure | 171 psi (12.0 kg/cm 2 ) |
| Minimum Compression Pressure | 128 psi (9.0 kg/cm 2 ) |
| Maximum Variation Between Cylinders | 14 psi (1.0 kg/cm 2 ) |
COMPRESSION SPECIFICATIONS
VALVE CLEARANCE
| Application | (1) In. (mm) |
|---|
| Intake | .006-.010 (.15-.25) |
| Exhaust | .010-.014 (.25-.35) |
| (1) Adjust valve clearance with engine cold. |
| (1) | Adjust valve clearance with engine cold. |
VALVE CLEARANCE SPECIFICATIONS
IGNITION COIL
| Application | Primary | Secondary |
|---|
| Cold (1) | .36-.55 | 9000-15,400 |
| Hot (2) | .45-.65 | 11,400-18,100 |
| (1) Cold is with temperature of 14-122°F (-10-50°C). (2) Hot is with temperature of 122-212°F (50-100°C). |
| (1) | Cold is with temperature of 14-122°F (-10-50°C). |
| (2) | Hot is with temperature of 122-212°F (50-100°C). |
IGNITION COIL RESISTANCE - Ohms
DISTRIBUTOR SENSORS
| Application | In. (mm) |
|---|
| Land Cruiser, LX450 | .008-.016 (.20-.40) |
| (1) Distributor Less Ignition System (DIS) is used. |
| (1) | Distributor Less Ignition System (DIS) is used. |
DISTRIBUTOR PICK-UP COIL AIR GAP (1)
| Pick-Up Coil Terminals (1) | Ohms |
|---|
| Cold (14-122°F (-10-50°C)) |
| G1 & G | 185-275 |
| G2 & G | 185-275 |
| NE & G | 185-275 |
| Hot (122-212°F (50-100°C)) |
| G1 & G | 240-325 |
| G2 & G | 240-325 |
| NE & G | 240-325 |
| (1) For proper testing and terminal identification, see BASIC TESTING article. |
| (1) | For proper testing and terminal identification, see BASIC TESTING article. |
DISTRIBUTOR PICK-UP COIL RESISTANCE
| Application | Ohms |
|---|
| Cold (14-122°F (-10-50°C)) | 1630-2740 |
| Hot (122-212°F (50-100°C)) | 2065-3225 |
CRANKSHAFT POSITION SENSOR RESISTANCE
HIGH TENSION WIRE RESISTANCE
| Application | Maximum Ohms |
|---|
| Land Cruiser, LX450 | 25,000 Per Wire |
| (1) Distributorless Ignition System (DIS) is used. No high tension wires are used. |
| (1) | Distributorless Ignition System (DIS) is used. No high tension wires are used. |
HIGH TENSION WIRE RESISTANCE (1)
SPARK PLUGS
| Application | NGK No. | Nippondenso No. |
|---|
| Land Cruiser, LX450 | BKR5EYA | K16R-U |
| Application | Gap: In. (mm) | Torque: Ft. Lbs. (N.m) |
|---|
| Land Cruiser, LX450 | .031 (.80) | 15 (20) |
SPARK PLUG SPECIFICATIONS
Scheme 1
| Application | Firing Order |
|---|
| 6-Cylinder (1) | 1-5-3-6-2-4 |
| (1) Cylinder No. 1 is located at timing belt or timing chain end of engine. Cylinder No. 6 is located at flywheel end of engine. |
| (1) | Cylinder No. 1 is located at timing belt or timing chain end of engine. Cylinder No. 6 is located at flywheel end of engine. |
IGNITION TIMING
| Application | (2) Base Timing | (3) ECM Controlled Timing |
|---|
| Land Cruiser, LX450 | 3 | 2-13 |
| (1) Check with engine at normal operating temperature, transmission in Neutral, parking brake applied, A/C and all accessories off. (2) With Jumper Wire (SST 09843-18020) installed between terminals TE1 and E1 on data link connector No. 1. (3) With jumper wire removed from data link connector No. 1. |
| (1) | Check with engine at normal operating temperature, transmission in Neutral, parking brake applied, A/C and all accessories off. |
| (2) | With Jumper Wire (SST 09843-18020) installed between terminals TE1 and E1 on data link connector No. 1. |
| (3) | With jumper wire removed from data link connector No. 1. |
IGNITION TIMING (Degrees BTDC @ Idle) (1)
FUEL PUMP
Note. Fuel pump performance measures fuel pressure, not regulated fuel pressure.
| Application | Pressure: psi (kg/cm 2 ) |
|---|
| Land Cruiser, LX450 | (1) 38-44 (2.7-3.1) |
| (1) Check fuel pressure with engine off and using scan tester connected to data link connector No. 3 with ignition on to activate fuel pump or by connecting battery voltage to terminals on electric fuel pump. |
| (1) | Check fuel pressure with engine off and using scan tester connected to data link connector No. 3 with ignition on to activate fuel pump or by connecting battery voltage to terminals on electric fuel pump. |
| Model/ Application | At Idle W/Vacuum psi (kg/cm 2 ) | At Idle W/O Vacuum psi (kg/cm 2 ) |
|---|
| Land Cruiser, LX450 | 31-37 (2.2-2.6) | 38-44 (2.7-3.1) |
| Application | Ohms |
|---|
| Land Cruiser, LX450 | .2-3.0 |
FUEL PUMP RESISTANCE - Ohms @ 68°F (20°C)
FUEL INJECTOR RESISTANCE
| Application | Ohms |
|---|
| Land Cruiser, LX450 | 13.4-14.2 |
FUEL INJECTOR RESISTANCE - Ohms @ 68°F (20°C)
IDLE SPEED
| Application | RPM |
|---|
| Land Cruiser, LX450 | 600-700 |
| (1) Check with engine at normal operating temperature, transmission in Neutral, parking brake applied, ignition timing properly set and with A/C and all accessories off. |
| (1) | Check with engine at normal operating temperature, transmission in Neutral, parking brake applied, ignition timing properly set and with A/C and all accessories off. |
IDLE SPEED SPECIFICATIONS (1)
DASHPOT SPECIFICATIONS
| Application | RPM |
|---|
| Land Cruiser, LX450 | 1900-2500 |
THROTTLE OPENER
| Application | RPM |
|---|
| Land Cruiser, LX450 | 700-1000 |
| (1) Check with engine at normal operating temperature and with electric cooling fan turned off (if equipped). |
| (1) | Check with engine at normal operating temperature and with electric cooling fan turned off (if equipped). |
THROTTLE OPENER SPECIFICATIONS (1)
FUEL CUT
| Application | Fuel Return RPM |
|---|
| Land Cruiser, LX450 | 1200 |
| (1) Check with engine at normal operating temperature and A/C off. |
| (1) | Check with engine at normal operating temperature and A/C off. |
FUEL CUT SPECIFICATIONS (1)
THROTTLE POSITION (TP) SENSOR
| Application | Clearance In. (mm) | Terminal | Ohms |
|---|
| 4.5L (1) | 0 (0) | VTA & E2 | 200-5700 |
| " | .020 (.50) | IDL & E2 | 2300 Or Less |
| " | .030 (.75) | IDL & E2 | No Continuity |
| " | Fully Open | VTA & E2 | 2000-10,200 |
| " | " | VC & E2 | 2500-5900 |
| (1) Apply vacuum to throttle opener before checking TP sensor. |
| (1) | Apply vacuum to throttle opener before checking TP sensor. |
TPS RESISTANCE SPECIFICATIONS
