Engine Removal/Installation
ENGINE REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5]
WARNING:
- Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
- Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the "Fuel Line Safety Procedure". Before Service Precaution
- Secure the steering wheel using tape or a cable to prevent the steering shaft from rotating after disconnecting the steering shaft. If the steering wheel rotates after the steering shaft and the steering gear and linkage are disconnected, the internal parts of the clock spring could be damaged.
NOTE:
- Perform the engine and transaxle component removal/installation from below the vehicle.
1. Remove the battery cover. Removal and Replacement
2. Disconnect the negative battery cable. Removal and Replacement
3. Remove the plug hole plate. Plug Hole Plate Removal/Installation
4. Remove the PCM cover No.1. Removal and Replacement
5. Disconnect the PCM connector. Service and Repair
6. Remove the battery tray and PCM component. Removal and Replacement
7. Remove the air cleaner component. Service and Repair
8. Remove the front wheels and tires. Service and Repair
9. Remove the aerodynamic under cover No.2 and splash shield as a single unit. Aerodynamic Under Cover No. 2 Removal/Installation Splash Shield Removal/Installation
10. Drain the transaxle oil (MTX) or ATF (ATX). (See G35M-R (5MTX).) (See G66M-R (6MTX).) (See Automatic Transaxle Fluid (ATF) Replacement (ATX).)
11. Drain the engine coolant. Service and Repair
12. Remove the coolant reserve tank. Service and Repair
13. Disconnect the fuel hose. Quick Release Connector Removal/Installation
14. Disconnect the evaporative hose. Quick Release Connector Removal/Installation
15. Disconnect the brake vacuum hose. Service and Repair
16. Disconnect the radiator hose (upper and lower). Service and Repair
17. Disconnect the water hose. Service and Repair
18. Disconnect the heater hose. Service and Repair
19. Disconnect the oil hose. (ATX type B) Removal and Replacement
20. Disconnect the power steering pipe component and then drain the power steering fluid. Service and Repair
21. Disconnect the shift cable and wiring harness. (MTX) (See G35M-R (5MTX).) (See G66M-R (6MTX).)
22. Remove the clutch release cylinder with the pipe still connected. (MTX) (See G35M-R (5MTX).) (See G66M-R (6MTX).)
23. Disconnect the selector cable. (ATX) Automatic Transaxle Removal/Installation
24. Remove the crossmember bracket. Service and Repair
25. Remove the TWC. Service and Repair
26. Disconnect the drive shafts from the engine side, set the drive shafts out of the way. Drive Shaft Removal/Installation
27. Remove the A/C compressor with the cooler hose still connected and secure it using wire or rope so that it is out of the way. Service and Repair
28. Remove the wiring harness installation bolt and nut shown in the figure.
29. Disconnect the ground cable from the No.3 engine mount side.
Tightening torque
- 9-12 Nm {92-122 kgf-cm, 80-108 in-lbf}
30. Disconnect the connectors and the wiring harnesses related to the engine removal/installation.
31. Remove in the order indicated in the table.
32. Install in the reverse order of removal.
33. Start the engine, and inspect and adjust the following:
- Front wheel alignment Front Wheel Alignment
- Power steering fluid air bleeding Service and Repair
- Leakage of engine oil, engine coolant, ATF, transaxle oil, and fuel.
- Runout and contact of pulley and belt.
- Ignition timing, idle speed and idle mixture. Service and Repair
- Engine-driven accessories operation.
No.1 Engine Mount Rubber, Front Crossmember Component Removal Note
1. Loosen the No.1 engine mount rubber installation bolt (front crossmember side) shown in the figure.
MTX
ATX
2. Remove the No.1 engine mount rubber installation bolt (No.1 engine mount bracket side) shown in the figure.
MTX
ATX
3. Remove the No.1 engine mount rubber and the front crossmember component as a single unit. Service and Repair
No.3 Engine Mount, No.4 Engine Mount Rubber Removal Note
1. Secure the engine and transaxle using an engine jack.
Engine Mount Installation Note
NOTE:
- If the No.3 engine mount bracket and the engine are removed, retighten the No.3 engine mount stud bolts.
1. Tighten the No. 3 engine mount stud bolts.
Tightening torque
- 7-13 Nm {72-132 kgf-cm, 62-115 in-lbf}
2. Secure the engine and transaxle using an engine jack.
3. Temporarily tighten the No.3 engine mount installation bolts and nuts.
NOTE:
- Do not tighten the bolts during this step.
4. Temporarily tighten the No.4 engine mount rubber installation bolt as shown in the figure.
5. Install the No.1 engine mount rubber and the front crossmember component as a single unit. Service and Repair
6. Temporarily tighten the No.1 engine mount rubber installation bolts in the order shown.
CAUTION:
- Tighten the bolts in the order shown in the figure to prevent abnormal noise and vibration after assembly.
- Tighten the bolts while being careful of their length to prevent interference between the steering gear housing and bolt.
Bolt stem length
- Front crossmember side: 62mm {2.4 in}
- No.1 engine mount bracket side: 65mm {2.6 in}
MTX
ATX
7. Tighten the No.3 engine mount installation bolts and nuts in the order shown in the figure.
8. Tighten the No.4 engine mount rubber installation bolt.
Tightening torque
- 94-152 Nm {9.6-15 kgf-m, 70-112 ft-lbf}
9. Tighten the No.1 engine mount rubber installation bolts in the order shown.
CAUTION:
- Tighten the bolts in the order shown in the figure to prevent abnormal noise and vibration after assembly.
MTX
ATX
Tightening torque
- 73-90 Nm {7.5-9.1 kgf-m, 54-66 ft-lbf}