Honda Civic. Manual — part 447

Fig. 87: Identifying Intermediate Shaft Assembly And Differential Oil Seal
Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Install the flange bolt (A) and the two shoulder bolts (B).

Fig. 88: Identifying Shoulder Bolts With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Install the heat shield (A), and tighten the three bolts.

2008 Honda Civic GX

2006-08 DRIVELINE/AXLES Driveline/Axle - Civic (All Except Hybrid)

Fig. 89: Identifying Heat Shield Bolts With Torque Specification
Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Install the right driveshaft (see DRIVESHAFT INSTALLATION ).
7. Refill the transmission with the recommended transmission fluid (see

TRANSMISSION FLUID INSPECTION AND REPLACEMENT ).

8. Test-drive the vehicle.

2008 Honda Civic GX

2006-08 DRIVELINE/AXLES Driveline/Axle - Civic (All Except Hybrid)

2006-08 ENGINE PERFORMANCE

EGR System (R18A1) - Civic (All Except Hybrid)

COMPONENT LOCATION INDEX

Fig. 1: Locating EGR System Components
Courtesy of AMERICAN HONDA MOTOR CO., INC.

DTC TROUBLESHOOTING

DTC P0400: EGR SYSTEM LEAK DETECTED

1. Check for a loose or damaged EGR pipe.

NOTE:

Before you troubleshoot, record all freeze data and any on-
board snapshot, and review the general troubleshooting
information (see GENERAL TROUBLESHOOTING
INFORMATION ).

2008 Honda Civic EX

2006-08 ENGINE PERFORMANCE EGR System (R18A1) - Civic (All Except Hybrid)

2008 Honda Civic EX

2006-08 ENGINE PERFORMANCE EGR System (R18A1) - Civic (All Except Hybrid)

Is the EGR pipe OK?

YES - Go to step 2.

NO - Reconnect or replace the EGR pipe, then go to step 7.

2. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or

neutral) until the radiator fan comes on, then let it idle.

3. Test-drive under these conditions:

Engine coolant temperature (ECT SENSOR 1) above 158°F (70°C)

A/T in D position (M/T in 4th gear)

Vehicle speed at 25 mph (40 km/h) for 5 minutes or more

Maintain the vehicle speed at 32 mph (50 km/h) for 5 minutes or more
with cruise control set

4. Monitor the OBD STATUS for DTC P0400 in the DTCs MENU with the

HDS.

Does the screen indicate FAILED?

YES - Go to step 5.

NO - If the screen indicates PASSED, intermittent failure, the system is OK at
this time. Check for poor connections or loose terminals at the EGR valve and
the ECM/PCM. If the screen indicates NOT COMPLETED, go to step 3 and
recheck.

5. Turn the ignition switch OFF.
6. Replace the EGR valve (see EGR VALVE REPLACEMENT ).
7. Turn the ignition switch ON (II).
8. Reset the ECM/PCM with the HDS.
9. Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN

PROCEDURE ).

10. Test-drive under these conditions:

Engine coolant temperature (ECT SENSOR 1) above 158°F (70°C)

2008 Honda Civic EX

2006-08 ENGINE PERFORMANCE EGR System (R18A1) - Civic (All Except Hybrid)