A16-054

Service Bulletin
October 22, 2020
16-054
04242 Version 3
Timing Belt Chirps
Supersedes 16-054, dated August 11, 2016; to revise the information highlighted in yellow.
AFFECTED VEHICLES
Year
Model
2016-18
Pilot
2016-18
Pilot
2019
Pilot
2019
Pilot
2019
Passport
2017-18
Ridgeline
2019
Ridgeline
2019
Ridgeline
2018
Odyssey
2019
Odyssey
Trim
2WD
AWD
2WD
AWD
AWD
ALL
2WD
AWD
ALL
ALL
VIN Range
ALL
ALL
5FNYF5…KB000001 to 5FNYF5…KB011472
5FNYF6…KB000001 to 5FNYF6…KB033234
5FNYF8…KB000001 to 5FNYF8…KB000081
ALL
5FPYK2…KB000001 to 5FPYK2…KB004685
5FPYK3…KB000001 to 5FPYK3…KB020778
ALL
5FNRL6...KB000001 to 5FNRL6...KB046487
REVISION SUMMARY
• Under AFFECTED VEHICLES, Odyssey, Passport, and Ridgeline were added, and the model years were updated.
• WARRANTY CLAIM INFORMATION was updated.
• INSPECTION and REPAIR PROCEDURE were updated.
SYMPTOM
The timing belt area makes a chirping noise after the engine warms up.
POSSIBLE CAUSES
The timing belt contacts the back edge of the crankshaft pulley.
CORRECTIVE ACTION
Do the inspection and, if needed, install an idler pulley shim.
PARTS INFORMATION
Part Name
Idler Pulley Shim
Timing Belt Idler Bolt
Flange Bolt 10 mm x 60 mm
O-Ring
Flange Bolt 10 mm x 85 mm
Flange Bolt 10 mm x 105 mm
Flange Bolt 12 mm x 45 mm
Part Number
14559-RCA-305
14551-RCA-A01
90168-TA1-A00
91319-R70-A01
90002-R70-A00
95801-10105-08
90165-SDA-A00
Quantity
1
1
2
1
1
2
1
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.
© 2020 American Honda Motor Co., Inc. – All Rights Reserved
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TOOL INFORMATION
Part Name
Tool Number
Quantity
Holder Handle
07JAB-001020B
1
Pulley Holder
07MAB-PY3010A
1
Breaker Bar
07JAA-001020A
1
WARRANTY CLAIM INFORMATION
The normal warranty applies.
Model
Operation
Number
Flat Rate
Time
Defect
Code
Symptom
Code
Template
ID
Failed Part
Number
Pilot
1110A7
Diagnose and install
an idler pulley shim.
2.6 hr
07403
04201
A16054A
14400-R9P-A01
Odyssey
1110A7
Diagnose and install
an idler pulley shim.
2.6 hr
07403
04201
A16054B
14400-R9P-A01
Passport
1110A7
Diagnose and install
an idler pulley shim.
2.6 hr
07403
04201
A16054C
14400-R9P-A01
Ridgeline
1110A7
Diagnose and install
an idler pulley shim.
2.6 hr
07403
04201
A16054E
14400-R9P-A01
Skill Level:
Description
Repair Technician
INSPECTION
NOTE
During the diagnosis and repair, follow the procedures listed below. For more detail about any of these procedures, see
the applicable service information.
• Wheel Removal and Installation
• Engine Undercover Removal and Installation
• Drive Belt Removal and Installation
• Crankshaft Pulley Removal and Installation
• Timing Belt Removal and Installation
• Side Engine Mount Removal and Installation
• Timing Belt Auto-Tensioner Removal and Installation
1. Start the engine, let it warm up, and listen for a chirp.
Below is an example of the chirp noise:
NOTE
It can take up to 30 minutes for the engine to become hot enough to hear a chirp.
Do you hear a chirp?
• If you hear a chirp coming from the timing belt area, go to step 2.
• If you hear a chirp coming from the high pressure fuel pump, refer to S/B 16-013, High Pressure
Fuel Pump Chirps (does not apply to 2019 Passport or Pilot).
• If you do not hear a chirp, this bulletin does not apply. Continue with normal troubleshooting procedures.
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2. Remove the drive belt and retest the engine while it is hot.
•
•
If you hear a chirp, go to step 3.
If you do not hear a chirp, this bulletin does not apply. Continue with normal troubleshooting procedures.
3. Remove the right front wheel.
4. Remove the engine undercover.
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5. Hold the crankshaft pulley with the holder handle and the pulley holder.
6. Remove the crankshaft bolt with a heavy duty 19 mm socket and a breaker bar, then remove the crankshaft pulley
and washer. Temporarily reinstall the crankshaft bolt.
7. If equipped, remove the injector control module and move it to the side.
8. Remove the front and rear upper covers.
NOTE
Keep the A/C pressure sensor harness out of the way of moving parts by attaching it to the A/C line with a zip tie.
9. Remove the lower cover.
10. If equipped, install the injector control module.
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11. Start the engine while it is still hot, then spray the back edge of the timing belt with water while it is running.
Do you still hear a chirp?
• If the chirp lessens, changes pitch, or goes away, go to REPAIR PROCEDURE.
• If the chirp does not change, this bulletin does not apply. Continue with normal troubleshooting procedures.
REPAIR PROCEDURE
1. Make sure the engine is off, then try to insert a 0.95 mm feeler gauge between the top edge of the timing belt idler
pulley and the back side of the side engine mount bracket that overhangs the pulley.
NOTE
Make sure you remove the feeler gauge from its holder to get a more accurate measurement.
• If you can insert the feeler gauge between the timing belt idler pulley and engine mount bracket, go to step 4.
• If you cannot insert the feeler gauge, go to step 2.
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2. Remove the side engine mount bracket.
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3. Using a die grinder with a 2-inch grinding disc, use the circular casting offset as a guide to grind the side engine
mount bracket until the lip measures 2 mm in thickness.
NOTE
Use a vernier caliper or micrometer to confirm the amount of material removed.
4. Set the engine to TDC (top dead center).
•
Align the TDC mark on the tooth of the timing belt drive pulley with the pointer on the oil pump.
•
Align the TDC marks on the camshaft pulleys with the pointers on the back covers.
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5. Thread and hand-tighten a battery clamp bolt as shown to hold the timing belt adjuster in its current position.
NOTE
Do not use a wrench to tighten the battery clamp bolt.
6. Remove the idler pulley.
7. Remove the timing belt.
8. Remove the rocker arm oil pressure sensor from the oil filter housing to access the timing belt auto-tensioner bolts.
•
•
•
Disconnect the rocker arm oil pressure sensor connector.
Remove the rocker arm oil pressure sensor.
Remove any old liquid gasket from the switch and the switch mounting hole.
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9. Remove the battery clamp bolt from the timing belt adjuster, then remove the timing belt auto-tensioner.
10. Place the idler pulley shim between the idler pulley and the oil pump housing, then loosely install the new idler
pulley bolt with Hondalock 1 applied to its threads. Make sure you follow the instructions on the Hondalock 1
container.
NOTE
The shim is tapered from left to right. The word OUT is stamped into the tang and painted white. It should be
readable after the shim is installed.
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11. Install the new idler pulley bolt:
•
Insert the square end of a ¼-inch-drive ratchet extension to keep the shim’s tang in the correct position.
•
•
Tighten the idler pulley bolt to 44 N·m (33 lb-ft).
Bend the shim’s tang slightly toward the oil pump housing to keep it away from the idler pulley.
12. Compress the timing belt auto tensioner.
•
•
Align the holes on the rod and timing belt auto-tensioner housing.
Use a hydraulic press to slowly compress the timing belt auto-tensioner. Insert a 2 mm (5/64 in) pin through the
housing and the rod.
13. Thread and hand-tighten a battery clamp bolt to hold the timing belt adjuster.
NOTE
Do not use a wrench to tighten the battery clamp bolt.
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14. Install the timing belt auto-tensioner. Do not remove the pin.
15. Install the rocker arm oil pressure sensor.
•
Apply Hondabond 4 liquid gasket to the rocker arm oil pressure sensor threads.
•
•
NOTE
Do not use too much liquid gasket because excessive liquid may enter the oil passages or block the end of the
sensor.
Install the rocker arm oil pressure switch with a new O-ring.
Connect the rocker arm oil pressure switch connector.
16. Install the timing belt.
17. Remove the pin from the timing belt auto-tensioner.
18. Remove the battery clamp bolt from the timing belt adjuster and return it to its original location.
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19. If removed, install the side engine mount with the new bolts and torque them as shown.
20. If equipped, remove the injector control module and move to the side.
21. Install the upper and lower covers.
22. If equipped, Install the injector control module.
23. Remove the crank pulley bolt.
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24. Remove any oil and clean the crankshaft pulley, washer, and bolt. Lubricate with new engine oil as shown.
25. Install the crankshaft pulley and torque the bolt to 65 N·m (48 lb-ft).
26. Tighten the bolt an additional 60 degrees.
27. Install the drive belt.
28. Install the engine undercover.
29. Install the right front wheel and torque the nuts to 127 N⋅m (94 lb-ft).
30. Do the CKP-pattern clear and the CKP-pattern learn procedure.
NOTE
If you do not do these procedures, the PCM may falsely detect a misfire and set a DTC when there is no misfire.
END
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