2001-2003 GL1800/ A ECM Replacement/ Cooling System REPAIR PROCEDURES

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Filed Under (Honda) by admin on 29-01-2011

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Install the new ECM, then reinstall the cruise/ reverse control module in the reverse order of removal. NOTE: When you start the vehicle – after completing ALL procedures – the new ECM will require initialization . To initialize the new ECM, perform the following procedure: • Start the bike and allow it to warm up to normal operating temperature and remain at idle for at least 90 seconds . Do not operate the throttle during this time; if you do, the ECU will not initialize properly and the process will need to be repeated. 5. Proceed to the Cylinder Head Inspection section below. Use the Cylinder Head Inspection Kit for the Cylinder Head Inspection procedure. Use the kit for each GL1800/A you inspect. Do NOT dispose of kit items. 1) 19X20 mm cap (2) (cap B) 2) 8X15 mm cap (cap A) 3) Hose plug 4) Bottle/cap w/feed hose 5) Harness clips (10) 6) Harness tape 7) Inspection mirror A limited number of additional Cylinder Head Inspection Kits are available: call TechLine at 800-421-1900, ext. 1 if you need one. Kit contents are NOT available separately as parts. NOTE: • The following late ’03 models do not have to have their cylinder heads inspected: • Perform the following procedure with the engine at room temperature. • Both Left and Right cylinder heads must be inspected. • Use the Cylinder Head Inspection Kit for the following procedure. 1. Remove the front lower fairing. (See S/M, 2-6) 2. Remove and suspend the rear brake reservoir, being careful not to stress the brake hose. (See S/M, 15-A-8) CONNECTOR B (22-GRY) CONNECTOR C (6-BLK) CONNECTOR A (22-BLK) ECM (ENGINE CONTROL MODULE) 1 2 3 4 5 6 7 Late ’03 (Non-ABS): after VIN 1HFSC470*3A204632 Late ’03 (ABS): after VIN 1HFSC474*3A201020 Cylinder Head Inspection Kit Cylinder Head Inspection

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2001 GL1800 Oxygen Sensor Replacement / REPAIR PROCEDURE

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Filed Under (Honda) by admin on 29-01-2011

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1. Remove the top shelter (see page 2-10 in the Service Manual). 2. Remove the left and right O 2 sensors from the exhaust pipes. • You do not have to remove the exhaust pipes to remove the O 2 sensors. • Be sure to note the wire routing for proper reassembly. 3. Install the new O 2 sensors and route the wires properly (see pages 1-33 and 1-34 in the 2001- Service Manual). 4. Connect the black 4P female coupler of the sub- harness kit to the wire harness side black 4P male coupler (for the left-side O 2 sensor). 5. Connect the new left O 2 sensor to the black 4P coupler on the sub-harness. 6. Route the sub-harness from left to right, across the front edge of the fuel tank and secure it with the clip on the cruise actuator

2001 – 2002 GL1800/ GL1800A Rear Tire Inspection

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Filed Under (Honda) by admin on 27-11-2010

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1. Inspect the motorcycle for a punch mark as described in Identification on page 2. If a punch mark is present no further action is necessary, return the unit to the customer. 2. Qualify the unit/customer as follows: •Is the tire on the motorcycle the original factory installed tire? •Is the air pressure loss more than three psi per month? Note: Refer to page 145 in the Owner’s Manual. “Even tires that are in good condition may lose one to two psi per month if not checked and adjusted regularly” . If the GL1800 meets the above qualifications, proceed with the repair procedure. 3. Place the motorcycle on a lift and secure it on the centerstand. 4. Remove the rear wheel as described on page 14-9 of the Service Manual. 5. Starting at the valve stem/balance mark area, carefully remove the rear tire from the wheel. Be sure to use plenty of commercially available tire lubricant on the inside and outside of both beads. 6. Carefully inspect the entire circumference of both tire beads. Inspect both the inside and outside of the bead for any distortion or injuries. See examples of injuries below. 2001 – 2002 GL1800/GL1800A Rear Tire Inspection GL1800 #6 OCTOBER 2001 MTB 9430 (0109) 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 Honda. These procedures should not be attempted by “do-ityourselfers,” and you should not assume this bulletin applies to your Honda, or that your Honda has the condition described. To determine whether this information applies, contact an authorized Honda dealer. Service Bulletin American Honda Motor Co., Inc. 2001-2002 GL1800/GL1800A Rear Tire Inspection 0110 GL1800 #6*GL1800 #6*0110*2001-2002 GL1800/GL1800A Rear Tire Inspection*GL1800/GL1800A, Rear Tire Inspection, Bead, Tread*Motorcycle*1800 2 of 4 ©2001 American Honda Motor Co., Inc. – All Rights Reserved GL1800 #6 OCTOBER 2001 Inside BeadInjury Outside BeadInjury Outside BeadInjury 7. Carefully inspect the entire circumference of both tire beads. Inspect both the inside and outside of the bead for any distortion or injuries. See examples of injuries below. 8. If there is no evidence of bead damage, re-install the tire on the rim. Be sure to use plenty of commercially available tire lubricant on the inside and outside of both beads. Be sure to align the balance dot with the valve stem. Inflate the tire to 41 psi. Install the wheel assembly on the motorcycle and proceed to the Identification and then to the Warranty section. 9. If any damage or injury is present replace the tire and valve stem. Be sure to use plenty of commercially available tire lubricant on the inside and outside of both beads. Balance the new tire as necessary

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