Acura RL. Manual - part 717

Fig. 211: Identifying ECT Sensor Connector And ECT Sensor With Torque Specifications 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

3. Remove ECT sensor 2 (B).  

4. Install the parts in the reverse order of removal with a new O-ring (C), then refill the radiator with 

engine coolant (see COOLANT CHECK ).  

CKP SENSOR REPLACEMENT 

1. Move the auto-tensioner to remove tension from the drive belt, then remove the belt (see TIMING 

BELT REMOVAL ).  

2. Remove the crankshaft pulley (see CRANKSHAFT PULLEY REMOVAL AND 

INSTALLATION ).  

3. Remove the upper and lower timing belt covers from the engine (see TIMING BELT REMOVAL ). 

4. Remove CKP sensor A/B (A) from the oil pump. 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE PGM-FI System - RL

  

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Page 210  © 2005 Mitchell Repair Information Company, LLC. 

Fig. 212: Identifying CKP Sensor A/B With Torque Specifications 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

5. Install the parts in the reverse order of removal.  

6. Clear the CKP pattern with the HDS.  

7. Do the CKP pattern learn procedure (see CRANK (CKP) PATTERN CLEAR/CRANK (CKP) 

PATTERN LEARN ).  

KNOCK SENSOR REPLACEMENT 

1. Remove the intake manifold (see REMOVAL ).  

2. Remove the fuel rails and the intake runner base.  

3. Disconnect the knock sensor connector (A), then remove the knock sensor (B). 

Fig. 213: Identifying Knock Sensor Connector And Knock Sensor With Torque Specifications 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

4. Install the parts in the reverse order of removal. 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE PGM-FI System - RL

  

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Friday, June 05, 2009 2:35:00 PM

Page 211  © 2005 Mitchell Repair Information Company, LLC. 

CMP SENSOR REPLACEMENT

1. Set the No. 1 piston at top dead center (see TIMING BELT REMOVAL ).  

2. Remove the upper covers from the engine (see step 10 under TIMING BELT REMOVAL ).  

3. To hold the timing belt adjuster in its current position, thread in the battery clamp bolt hand-tight (see 

step 14 under TIMING BELT REMOVAL ).  

4. Loosen the idler pulley bolt about five or six turns, then remove the timing belt from the front 

camshaft pulley (see step 16 under TIMING BELT REMOVAL ).  

5. Remove the front camshaft pulley (A). 

Fig. 214: Identifying Front Camshaft Pulley, CMP Sensor Connector And CMP Sensor With 
Torque Specifications 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

6. Disconnect the CMP sensor connector (B), then remove the back cover (C).  

7. Remove the CMP sensor (A) from the back cover. 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE PGM-FI System - RL

  

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Friday, June 05, 2009 2:35:00 PM

Page 212  © 2005 Mitchell Repair Information Company, LLC. 

Fig. 215: Identifying CMP Sensor With Torque Specifications 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

8. Install the parts in the reverse order of removal. Reinstall the timing belt (see TIMING BELT 

INSTALLATION ) and other removed parts.  

9. Do the CKP pattern clear/CKP pattern learn procedure (see CRANK (CKP) PATTERN 

CLEAR/CRANK (CKP) PATTERN LEARN ).  

IAT SENSOR REPLACEMENT 

1. Remove the engine cover (see step 1 under INTAKE MANIFOLD REMOVAL AND 

INSTALLATION ).  

2. Disconnect the IAT sensor connector (A). 

Fig. 216: Identifying IAT Sensor Connector And IAT Sensor With Torque Specifications 
Courtesy of AMERICAN HONDA MOTOR CO., INC.

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE PGM-FI System - RL

  

me 

 

Friday, June 05, 2009 2:35:00 PM

Page 213  © 2005 Mitchell Repair Information Company, LLC.