Service Bulletin
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Service Bulletin Applies To: 2008-12 Accord V6 A/T – Check the iN VIN status for eligibility 13-078 February 26, 2014 Warranty Extension: MIL Comes On With DTCs P0301 Through P0304 (Supersedes 13-078, dated October 9, 2013, to revise the information marked by the black bars) REVISION SUMMARY Under PISTON CLEANING PROCEDURE, information was updated. PARTS INFORMATION NOTE: Do the DIAGNOSIS first to determine which cylinders you will need to repair. Required Parts BACKGROUND American Honda is announcing a powertrain warranty extension as a result of a settlement of a class captioned, Soto et al.v..American Honda Motor Co., Inc., Case No. 3:12-cv-1377-SI (N.D. Cal.). Part Name Part Number Cyl 1-3 Cyl 1-4 Cyl. Gasket (Fr) 12251-R70-A01 Cyl. Gasket (Rr) 12261-R70-A01 1 1 94109-14000 1 1 EGR Pipe Gasket A 18716-R70-A01 1 1 EGR Pipe Gasket B 18719-R70-A01 1 1 Ex. Chamber Gasket 18115-R70-A01 1 2 American Honda is extending the powertrain warranty to cover repairs related to engine misfire (that triggers DTCs P0301 through P0304) to 8 years with unlimited mileage from the original date of purchase and has settled a class action based on this remedial measure. Ex. Pipe Gasket 18212-SA7-003 2 2 This warranty extension does not apply to any vehicle that has ever been declared a total loss or sold for salvage by a financial institution or insurer, or has a branded or similar title under any state’s law. The piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. This can set DTCs P0301 through P0304 and cause the MIL to come on. CUSTOMER NOTIFICATION Owners of affected vehicles will be sent a class action settlement notice regarding this warranty extension starting in October 2013. Before doing work on a vehicle, verify its eligibility by doing an iN VIN status inquiry. Refer customers seeking information about settlement benefits to www.enginemisfiresettlement.com, or instruct them to call 888-888-3082. CORRECTIVE ACTION Inspect the vehicle and, if necessary, clean the pistons, and replace the piston rings in the affected cylinders. Drain Washer 14 mm 1 Head Gasket Set 12030-R70-A00 Head Gasket Rr. 12050-R70-A00 1 1 1 In. Manifold Gasket 17146-R70-A01 1 1 In. Manifold Gasket 17105-RCJ-A01 1 1 Oil Filter 15400-PLM-A02 1 1 O-ring (7.47 mm x 3.6 mm) 91301-PLC-000 2 2 O-ring (31.2 mm x 4.1 mm) 91314-PH7-003 2 2 Piston Ring Set 13011-5G0-A02 3 4 Pre-chamber Gasket 18393-SDB-A00 1 1 Self-locking Nut (8 mm) 90212-RCA-A01 4 8 Self-locking Nut (10 mm) 90212–SA5-003 9 9 *Spark Plug (KA) 12290-R70-A01 4 4 *Spark plug (KL) 12290-R71-L01 4 4 Strainer O-ring 15221-RYE-A01 1 1 Timing Belt Bolt 14551-RCA-A01 1 1 Water Gasket Fr. 19411-P8A-A03 1 1 Water Gasket Rr. 19412–P8A-A02 1 1 * Depending on your vehicle’s emission level for model years 2008–09, you will need either KA or KL spark plugs. 2014 American Honda Motor Co., Inc. – All Rights Reserved ATB 50006-51066 REV2 (1402) 1 of 15 CUSTOMER INFORMATION: The information in this bulletin is intended for use only by skilled technicians who have the proper tools, equipment, and training to correctly and safely maintain your vehicle. These procedures should not be attempted by “do-it-yourselfers,” and you should not assume this bulletin applies to your vehicle, or that your vehicle has the condition described. To determine whether this information applies, contact an authorized Honda automobile dealer. Replace Parts as Needed Connecting Rod Bolt: P/N 13204-P8A-A01 Head Cover Washer: P/N 90442-P8A-A00 Washer-Bolt (12 x 163): P/N 90005-PAA-A01 WARRANTY CLAIM INFORMATION 2008–10 Accord NOTE: The procedure in this bulletin is different than the service manual. This procedure does not require the complete removal of the power steering pump, catalytic converter(s), engine and transmission, or the crankshaft. As a result, the operation number is unique and the FRT is reduced. OP# REQUIRED MATERIALS Honda Long-Life Antifreeze/Coolant Type 2 (3 gallons) P/N OL999-9011 Honda Genuine Motor Oil 0W–20 (all models): P/N 08798–9036 (6 quarts) or Honda Genuine Motor Oil 5W–20 (2008-10) (if requested) P/N 08798-9032 (6 quarts) Description FRT 1171G9 Procedure A Update the PCM and replace spark plugs 1–4 (includes diagnosis). 0.5 hr 1171H0 Procedure B Replace piston rings 1–3 and replace spark plugs 1–4 (includes diagnosis). 6.2 hrs B Add if replacing piston rings on cylinder 4. 0.8 hr Failed Part: P/N 13011-R70-A02 Hondabond HT (2 tubes) P/N 08718-0004 Defect Code: 5V500 Symptom Code: JB600 Honda Genuine Throttle Plate Cleaner: P/N 08700-9204 Skill Level: Repair Technician Nylon Parts Cleaning Brush (commercially available) 2011-12 Accord NOTE: The procedure in this bulletin is different than the service manual. This procedure does not require the complete removal of the power steering pump, catalytic converter(s), engine and transmission, or the crankshaft. As a result, the operation number is unique and the FRT is reduced. 5/16 ID Flexible Hose (commercially available) TOOL INFORMATION Piston Ring Groove Cleaner T/N 07AAZ-TA5A100 Gasket Remover/Pan Separator: T/N LIL50190 OP# Description 1171G9 Procedure A Update the PCM and replace spark plugs 1–4 (includes diagnosis). 0.5 hr 1171H0 Procedure B Replace piston rings 1–3 and replace spark plugs 1–4 (includes diagnosis). 6.2 hrs B Add if replacing piston rings on cylinder 4. 2 of 15 FRT Failed Part: P/N 13011-5G0-A01 Defect Code: 5V500 Symptom Code: JB600 Skill Level: Repair Technician 0.8 hr 13-078 DIAGNOSIS 1. Connect the HDS to the vehicle and check for the following DTCs: P0301, P0302, P0303, P0304. • If any of these DTCs are stored, go to step 2. • If none of these DTCs are stored, this bulletin does not apply. Continue with normal troubleshooting. 2. Check the PCM software and note if it is earlier than shown below, then go to step 3 (all 2012 vehicles are up to date). Program ID (or later) Program P/N (or later) 2008–09 Accord (KA-ULEV) 70A630 37805-R70-A63 2008–09 Accord (KL-SULEV-PZEV) 71L630 37805–R71-L63 2010 Accord (KA-ULEV) 70A750 37805-R70-A75 2011 Accord 2-Door (KA-ULEV) 70A830 37805-R70-A83 2011 Accord 4-Door (KA-ULEV) 84A530 37805-R84-A53 Year/Model 3. Remove and check spark plug(s) on the affected cylinders (example: if P0301 is stored, check the spark plug on cylinder No. 1). • If the spark plug(s) are not fouled, this bulletin does not apply. Continue with normal troubleshooting. • If this vehicle has any of the above DTCs, the spark plug(s) are fouled, and the software is an earlier version, go to REPAIR PROCEDURE A. • If this vehicle has any of the above DTCs, the spark plug(s) are fouled, and the software is a current or later version, go to step 4. NOTE: Below are examples of good and fouled spark plugs. GOOD NO GOOD 4. Note which DTCs are stored in the vehicle. • If the vehicle has one or more of the following stored DTCs: P0301, P0302, P0303, go to REPAIR PROCEDURE B to clean the pistons, replace the piston rings on cylinders 1–3, and replace the spark plugs on cylinders 1–4. • If the vehicle has DTC P0304 with or without any of the other three DTCs stored, go to REPAIR PROCEDURE B to clean the pistons, replace the piston rings on cylinders 1–4, and replace the spark plugs on cylinders 1–4. 13-078 3 of 15 REPAIR PROCEDURE A 1. Update the PCM software. Refer to Service Bulletin 01-023, Updating Control Units/Modules. 2. Replace spark plugs on cylinders 1–4, then return the vehicle to the customer. REPAIR PROCEDURE B The following service manual procedures have been used in full or in part within this service bulletin. For more detail on these procedures, and torque specifications for some components, refer to the appropriate electronic service manual. • Battery Terminal Disconnection and Reconnection • Fuel Pressure Relieving • Fuel Line/Quick-Connect Fitting Removal • Air Cleaner Removal/Installation • Splash Shield Replacement • Drive Belt Removal/Installation • Engine Oil Replacement • Coolant Replacement • Hydraulic Power Steering Fluid Check/Replacement • Intake Manifold Removal and Installation • Timing Belt Removal and Installation • Warm Up-TWC Removal/Installation • Cylinder Head Cover Removal • Cylinder Head Removal and Installation • Piston Ring Replacement • PCM Idle Learn Procedure Engine Repair • Use fender covers to avoid damaging painted surfaces. • To avoid damaging any wires and terminals, unplug the circuit connectors carefully while holding the connector portion. • Mark all the circuits and hoses to avoid misconnection. Make sure they do not contact other circuit wiring, hoses, or interfere with other parts. 1. Using both hood support struts prop up the hood in a wide open position. HOOD SUPPORT STRUT 2. Relieve the fuel pressure. 3. Remove both front wheels so you can fully lower the vehicle. 4. Remove the strut brace. NUTS 8 x 1.25 mm 22 N.m (16 lb-ft) STRUT BRACE NUTS 8 x 1.25 mm 22 N.m (16 lb-ft) BRAKE BOOSTER VACUUM HOSE 5. Do the battery removal procedure. 4 of 15 13-078 6. Disconnect the fuel feed hose line at the bulkhead. 10. Remove the front splash shield. QUICK-CONNECT FITTING COVER FRONT SPLASH SHIELD 11. Drain the engine oil. 12. Loosen the drain plug on the radiator, and drain the coolant. COVER NUTS (2) 9.8 N.m (7.2 lb-ft) DRAIN PLUG 7. Remove the engine cover. ENGINE COVER 13. Install a 5/16th inner diameter rubber hose on the drain bolt located at the rear of the engine block, loosen the drain bolt, and drain all remaining coolant. Then disconnect the oil pressure switch connector. OIL PRESSURE SWITCH 8. Remove the radiator cap. 9. Raise the vehicle. RUBBER HOSE 13-078 DRAIN BOLT 10 N.m (7.4 lb-ft) 5 of 15 14. Remove exhaust pipe A. 19. Disconnect the MAP sensor connector and the breather pipe, then remove the intake air duct. GASKETS Replace. INTAKE AIR DUCT GASKETS Replace. EXHAUST PIPE A BREATHER PIPE SELF-LOCKING NUTS SELF-LOCKING NUTS 54 N.m (40 lb-ft) Replace. MAP SENSOR CONNECTOR 33 N.m (25 lb-ft) Replace. 15. Depending on the diagnosis, remove the appropriate WU-TWC support bracket bolts. 16. Remove the EGR lower pipe nuts. 17. Remove the crankshaft pulley bolt but not the pulley. NOTE: Make sure to apply new oil to the bolt flange and threads before reinstallation. 20. Disconnect the throttle body connector, the EVAP canister purge valve connector, the EVAP hose, the brake booster vacuum hose, and the vacuum hose. 21. Disconnect and plug the water bypass hoses. EVAP CANISTER PURGE VALVE CONNECTOR BRAKE BOOSTER VACUUM HOSE : Remove any oil : Clean : Lubricate with new engine oil CRANKSHAFT PULLEY PULLEY PULLEY WASHER WATER BYPASS HOSES EVAP HOSE THROTTLE BODY CONNECTOR BOLT 22. Remove the drive belt. 18. Lower the vehicle. 6 of 15 23. Remove the drive belt auto-tensioner. 13-078 24. Remove the power steering pump bolts, the power steering bracket then secure the power steering pump out of the way. NOTE: Do not remove any of the hoses. 9.8 N.m (7.2 lb-ft) POWER STEERING HOSE BRACKET 31. Remove the intake manifold bolts and nuts in three steps, then remove the intake manifold. SPECIFIED TORQUE 22 N.m (16 lb-ft) 3 1 5 POWER STEERING PUMP 7 9 8 2 4 6 32. Remove the PCM cover. ECM/PCM COVER ECM/PCM 22 N.m (16 lb-ft) 25. Remove the engine harness holder bolt on the side engine mount. 26. Set the engine to TDC cylinder one. 27. Remove the crankshaft pulley. 28. Remove the timing belt. 29. Remove the timing belt idler pulley. BOLTS (3) 30. Remove the engine intake upper cover bolts and nuts. Then remove the cover and the PCV hose. 9.8 N.m (7.2 lb-ft) 33. Remove the PCM connectors and harness clip. Remove the battery cables from the underhood fuse box. SPECIFIED TORQUE 6 x 1.0 mm 12 N.m (8.7 lb-ft) 2 6 UPPER COVER ENGINE WIRE HARNESS CONNECTOR 4 8 9.8 N.m (7.2 lb-ft) HARNESS CLAMPS 10 ECM/PCM CONNECTORS 12 11 7 9 3 5 1 PCV HOSE HARNESS CLAMPS 13-078 BRACKET 7 of 15 34. Remove the appropriate Ignition coils based on the diagnosis. NOTE: Depending on the diagnosis, you will either have to remove the rear bank ignition coils or both ignition coil banks. FRONT SPARK PLUGS 22 N.m (16 lb-ft) 6 x 1.0 mm 12 N.m (8.7 lb-ft) IGNITION COILS IGNITION COIL CONNECTOR REAR IGNITION COILS SPARK PLUGS 22 N.m (16 lb-ft) 35. Depending on the diagnosis, remove some or all of the following: • ECT sensor connector • Front rocker arm oil pressure switch connector • Rear rocker arm oil pressure switch connector • CMP sensor connector • Front A/F sensor one connector • Rear A/F sensor one connector • Front secondary HO2S connector • Rear secondary HO2S connector • Rocker arm oil control solenoid A connector (bank one) • Rocker arm oil control solenoid A connector (bank two) • Rocker arm oil control solenoid B connector (bank one) • Alternator connector and positive alternator cable • • • • • A/C clutch switch connector EGR 5P valve connector Engine ground Knock sensor Fuel injector connectors and clips 36. Remove the quick-connect fitting cover, then disconnect the fuel feed hose. QUICK-CONNECT FITTING COVER 6 x 1.0 mm 12 N.m (8.7 lb-ft) IGNITION COIL CONNECTOR FUEL FEED HOSE 8 of 15 13-078 37. Remove the EVAP canister purge joint with the bracket. 40. Separate the water passage from the heads. GASKETS Replace. 22 N.m (16 lb-ft) EVAP CANISTER PURGE JOINT WATER PASSAGE CONNECTING PIPE 12 N.m (8.7 lb-ft) 38. Remove the fuel rail connecting joint hose. MOUNTING BOLT 22 N.m (16 lb-ft) O-RING Replace. O-RING Replace. 41. Remove the appropriate WU-TWC depending on diagnosis. NOTE: Set the WU-TWC aside and cover the opening with shop towels to prevent coolant from entering. FRONT GASKET Replace. QUICK-CONNECT FITTING FRONT WU-TWC NUTS 39. Remove the EGR pipe mounting bolts, then remove the EGR pipe. 31 N.m (23 lb-ft) Replace. GASKET Replace. GASKET Replace. EGR PIPE REAR GASKET MOUNTING BOLTS 22 N.m (16 lb-ft) Replace. REAR WU-TWC NUTS 31 N.m (23 lb-ft) Replace. 13-078 9 of 15 42. Remove the appropriate head with the injector base attached. NOTE: Depending on diagnosis, you will remove the rear bank head or both heads. 43. Measure the head bolts to determine if they need replacement. If either diameter is less than 11.3 mm (0.445 in), replace the cylinder head bolt. 50 mm (1.97 in) 45 mm (1.77 in) FRONT 5 3 7 1 B 8 2 A 6 4 REAR 5 3 1 7 8 2 4 6 NOTE: Below are the head bolt torque specifications for reinstallation. • First step: torque the cylinder bolts in sequence to 29 N•m (22 lb-ft). • Second step: tighten in sequence an additional 90 degrees. • Third step: tighten in sequence an additional 90 degrees. • If the bolts are new, tighten an additional 90 degrees. FIRST STEP THIRD STEP SECOND STEP (Newbolt) 44. Raise the vehicle. 10 of 15 13-078 45. Remove the CKP sensor cover and bolts, then disconnect the CKP sensor connector. 48. Using a flat blade screwdriver, separate the oil pan from the engine block in the areas shown. BOLT 12 N.m (8.7 lb-ft) CKP SENSOR CONNECTOR 12 N.m (8.7 lb-ft) CKP SENSOR COVER 49. Remove the oil strainer and baffle plate. 46. Remove the torque converter case cover and the four bolts securing the oil pan to the transmission. BOLTS (4) OIL STRAINER 12 N.m (8.7 lb-ft) 74 N.m (54 lb-ft) 12 N.m (8.7 lb-ft) O-RING Replace. 12 N.m (8.7 lb-ft) TORQUE CONVERTER CASE COVER 50. Remove the appropriate pistons depending on diagnosis, then go to PISTON CLEANING PROCEDURE. NOTE: When removing the piston rod caps, be sure and keep all caps and bolts with their corresponding pistons for reassembly purposes. 47. Remove all bolts securing the oil pan. BOLTS 12 N.m (8.7 lb-ft) 9 5 BAFFLE PLATE 1 3 7 11 13 15 16 17 18 12 14 13-078 10 6 2 4 8 11 of 15 PISTON CLEANING PROCEDURE 1. Remove the piston rings from the piston using a ring expander. Be careful not to damage the piston. 4. Press the handle on the piston ring groove cleaner tool and slide the cleaning bit onto the appropriate piston ring grooves. OLD PISTON RINGS RING EXPANDER 2. Spray the piston head and piston ring grooves thoroughly with Honda throttle plate cleaner. 3. While holding the piston upright in your left hand, take the piston ring groove cleaner tool in your right hand and line up the cleaner tool guides with the second (middle) piston ring groove. 12 of 15 5. Once the cleaning bit is in the appropriate ring grooves of the piston, make sure the tool handle clicks in to place. NOTE: There is only one notch on the tool for the handle to engage. 13-078 6. Hold the piston steady and rotate the tool counter-clockwise five to six times to remove any carbon deposits in the piston ring grooves. Do not rotate the tool clockwise. NOTE: You can watch this procedure in the Tech2Tech segment “How to Clean Piston Ring Grooves”. 8. Finish cleaning the piston with throttle plate cleaner and the nylon brush. Do not use a steel wire brush. NOTE: Below are some examples of before and after pictures. Depending on mileage and running conditions, the pistons will achieve different levels of cleanliness. 7. Remove the piston groove cleaning tool and clean off the carbon from the tool bit. 13-078 13 of 15 9. Install the piston rings as shown. NOTE: The first (top) ring has a 1D manufacturing mark and the second (middle) ring has an SPR manufacturing mark. The manufacturing marks must be facing upward. 12. Install the piston/connecting rod assembly into the cylinder bore with the arrow on top of the piston facing the timing belt side of the engine. NOTE: Be careful not to damage the cylinder wall when installing the piston. ARROW TOP RING MANUFACTURING MARKS MANUFACTURING MARKS SECOND RING 13. Measure the diameter of the connecting rod bolts to determine if they need replacement. Calculate the difference in diameter between point A and point B. It should not be more than 0–0.1 mm (0–0.004 in). 35 mm (1.38 in) B A 20 mm (0.79 in) 10. Position the ring end gaps as shown. NOTE: If the ring gaps are not positioned correctly, excessive blowby may occur. About 90° OIL RING GAP SECOND RING GAP About 45° TOP RING GAP and SPACER RING GAP OIL RING GAP PISTON PIN 11. Apply new engine oil to the piston, the inside of the piston ring compressor, and the cylinder bore. 14 of 15 13-078 14. Apply new oil to the connecting rod bolt threads and flanges. Torque the bolts to 20 N•m (14 lb-ft) then tighten the connecting rod bolts an additional 90 degrees. After torquing, turn bolt another quarter turn. CONNECTING ROD MARK BOLTS 20 N.m (14 lb-ft) CONNECTING ROD ROD CAP CONNECTING ROD BEARING 15. Reinstall the remaining components in the reverse order of removal. 16. Replace spark plugs 1–4. 17. Replace the oil filter and refill all fluids. 18. Do the idle learn procedure. 13-078 15 of 15