2003 Honda GL1800A Engine cooling Problems
- Complaints
- 2about this part
- Share
- 13%of 16 total for the year
- Median mileage
- 1,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2003 Honda GL1800A, 13% of the 16 complaints for this model year. Where a mileage was given, the median is 1,500 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Engine appears to be overheating during slow speed operation. Temperature gauge enters the red danger zone during parade mode riding (heavy traffic). Cooling fan operation and brake (light) operation have dramatic impact on gauge indication when the engine is warm. According to Honda's records the heating system recall has been performed on this motorcycle. Local dealer is not aware of this problem or its solution.”
NHTSA complaint #10164505, filed 2006-08, 2,000 miles“The gl1800 overheats to the point of spilling coolant. The coolant overflow hose is in front of the rear tire. Honda has identified the problem and attempted a fix by installing a new ECM, however the problem still exists.”
NHTSA complaint #10041702, filed 2003-10, 1,000 milesRelated service bulletins
- 10018124Jun 6, 2005Camshaft timing - gear noise after completing valve adjustment may be incorrect camshaft timing.
- 10016297May 1, 2005Proportional control valve (pcv) leakage recall reminder. Refer to bulletin gl1800a #16.
Engine cooling: other model years
Other parts of the 2003 Honda GL1800A
10 complaintsBrakes
1 complaintsOther or unknown
1 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 2003 Honda GL1800A
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology