Coolant Resevoir Tank Remove/install - GL1800Riders
LinkBack Thread Tools
post #1 of 17 (permalink) Old 05-26-2016, 09:23 PM Thread Starter
Seasoned Member
Snorebaby's Avatar
Join Date: Apr 2015
Location: South Augusta, Georgia, United States
Posts: 132
Coolant Resevoir Tank Remove/install

How hard is it to replace the Coolant Resevoir Tank? What is involved? The Service Manual doesn't mention how to replace it. I damaged mine taking it off a trailer that I was gonna borrow for a long mileage (short time) trip. I don't see any leaks but it is hanging low and dented. I have ordered another one.


Doug H.

2015 HPNMF - Scarlett
1990 GL1500SE - Pearl (For Sale)
1985 GL1200LTD - Goldie (SOLD)
1986 CMX450C - The Rebel

"You meet the nicest people on a Honda"
"The Instruction Manual is just one man's opinion" ~ Hemingway
Snorebaby is offline  
Sponsored Links
post #2 of 17 (permalink) Old 05-26-2016, 11:14 PM
Seasoned Member
SteelTraveler's Avatar
Join Date: Apr 2011
Location: Central Texas
Posts: 3,515
I believe there is only one screw which holds the tank in place. It's easy to see, so that part is easy. The difficulty is that there are two hoses that connect to the top side of the reservoir tank and Honda has cut the hoses a little too short. Can be pretty darn frustrating trying to reconnect those rascals. Some guys use long needle nose pliers with a bend in them.

2016 Goldwing (Candy Orange)
2009 Goldwing (Black Cherry) - FOR SALE
SteelTraveler is offline  
post #3 of 17 (permalink) Old 05-27-2016, 10:29 AM
Seasoned Member
Big_Bird's Avatar
Join Date: May 2012
Location: MD near DC
Posts: 1,535
The coolant change procedure in Fred Harmon's videos shows you how to remove the reservoir. Perhaps you can find someone locally who has the set.
Big_Bird is offline  
post #4 of 17 (permalink) Old 05-27-2016, 10:31 AM
Seasoned Member
Join Date: Apr 2005
Location: Bountiful, UT
Posts: 4,173
I haven't changed one, but I understand its a bitch.

2005 Billet Silver ABS

....... 1967-1971......

Proud Member Of The PGR
Since 2006
INTHEWIND is offline  
post #5 of 17 (permalink) Old 05-27-2016, 11:56 AM
Seasoned Member
Join Date: Feb 2007
Location: Glendale Arizona
Posts: 405
Coolant Tank

I just drained my radiator and dropped the coolant tank, and replaced the coolant.
Done it several times now, and believe me........if I can do it, ANYBODY can do it! It ain't that difficult!
One bolt holds the tank on, and 2 hoses are connected to the tank. Like someone else said, the hoses are a little short but use a needle nose pliers, and you'll be o.k.!
When you're all done, invest in a belly pan, saves a lot of things down low in the engine bay (including the coolant tank) from getting beat up!

***I can fix it, but if I can't fix it, I can fix it so nobody can fix it***
Clamper and Barrycuda67 like this.

2007 GL1800 Honda ABS, NAVI, Comfort, Audio
Full Monty Traxxionized 04/2009
Fullest Monty Traxxionized with Triple Clamps 03/2012
Riding on Bridgestones (accept no substitutes)
1995 GL1500 Honda Aspencade
1985 GV1400 Suzuki Cavalcade
1981 GL1100 Honda Interstate
1981 XS850 Yamaha Venturer
1978 XS1100 Yamaha (XS Eleven)
1977 CB750F2 Honda Super Sport
1974 CB450 Honda
07 orange crate is offline  
post #6 of 17 (permalink) Old 05-27-2016, 07:42 PM
Seasoned Member
Pigeon Roost's Avatar
Join Date: Jan 2004
Location: WV
Posts: 13,921
On a scale of one to ten; one being inserting the ignition key and 10 being engine/tranny rebuild, I would give this one a 2. Would rate lower if Ya didna have to get down on floor.


2002 Black Standard Brakes "TE MEGA MONTY"


"Well, Chester; choos'n friends goes kinda fast once the shoot'n starts." Mathew Dillon to Chester Goode
Pigeon Roost is online now  
post #7 of 17 (permalink) Old 05-27-2016, 10:21 PM
Seasoned Member
au wng's Avatar
Join Date: Oct 2012
Location: Swansea, IL
Posts: 157

I just replaced my coolant today, and the hoses where probably the most difficult part of the procedure, but it wasn't that hard.

L.D. Walters
2002 Yellow Goldwing
1977 Orange Corvette
au wng is offline  
post #8 of 17 (permalink) Old 05-28-2016, 08:07 AM
Super Moderator
Ironhorse1800's Avatar
Join Date: Mar 2012
Location: Sugar Land, Texas
Posts: 4,139
Side note. Be sure you bump rear suspension setting to the max before loading or unloading off the trailer. It might help. But the belly pan will protect it for sure.
Barrycuda67 likes this.

Ironhorse1800, Hoss
2004 VTX1800N3 Red, Darkside Goodyear Assurance Tripletred 205/60/R16
2008 GL1800 ABS/NAV Red, Darkside #1273
[B]Michelin Primacy Alpin PA3 195/55/16 / [COLOR=#000000]Yokohama Avid Envigor ZPS
Ironhorse1800 is online now  
post #9 of 17 (permalink) Old 05-28-2016, 09:11 AM Thread Starter
Seasoned Member
Snorebaby's Avatar
Join Date: Apr 2015
Location: South Augusta, Georgia, United States
Posts: 132
Thanks everyone! I thought it should be fairly easy, but just checking with more experienced folks than me. It is my first 1800.

I will remember to up the suspension (at 15 right now) and the CFO has budgeted a belly pan along with our very own new 6x12 trailer with the ramp style door.

Doug H.

2015 HPNMF - Scarlett
1990 GL1500SE - Pearl (For Sale)
1985 GL1200LTD - Goldie (SOLD)
1986 CMX450C - The Rebel

"You meet the nicest people on a Honda"
"The Instruction Manual is just one man's opinion" ~ Hemingway
Snorebaby is offline  
post #10 of 17 (permalink) Old 01-02-2017, 06:34 PM
Seasoned Member
ghmpm's Avatar
Join Date: Nov 2013
Location: Wickenburg, AZ
Posts: 302
I replaced mine today. Not a real easy job but not terrible either. Mine was not leaking but quite banged up and the hose inlet was almost broken. Got a new one (Honda OEM) at Bike Bandit. The hoses on my 2005 were long enough to not be a big headache. One bolt removed, drop tank, remove hoses and replace with new one. Since I had replaced coolant a short time ago, I captured the coolant in a clean bottle and reused it. I purchased the 11 inch Harbor Freight curved needle nose pliers (4 bucks) to assist with this as suggested in other posts. I did not need them however as my hoses had enough play to reach them. The whole job took me almost an hour as I had never done it before. It would be faster next time!


2005 30th Anniversary Gold Wing

2012 Silver Wing

1974 Trail 90

American Legion Riders Post 12
Wickenburg, AZ

ghmpm is offline  

Quick Reply

Register Now

In order to be able to post messages on the GL1800Riders forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome