Carb removal...AAHHH!!!


Information and questions on GL1500 Goldwings (1988-2000)
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glk17l
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Carb removal...AAHHH!!!

Post by glk17l » Tue May 09, 2017 7:45 pm



I am in the process of removing the carbs on a "93 1500. It is leaking coolant from the hose that connects into the carb and it also has the infamous idle surge. I followed the Claymer manual, and everything is disconnected except for the coolant lines that go to the carb. I have to find an extra long pliers to get at it. My problem is that the carb will wiggle a little but will not come out of the rubber insulators. I know it is not going to "slide out" as the book says, however I do to want to pry it too much and damage some thing on the carb. Any advise other than a crow bar?
Thanks, glk17l.
P.S. My Clymer manual only goes up to "92. Is there big difference between "92 and "93 carb removal?



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spiralout
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Re: Carb removal...AAHHH!!!

Post by spiralout » Tue May 09, 2017 10:13 pm

Keep on rocking and pulling on them and eventually they'll come loose. You can give them a spritz of lube from the side, right above the isolators, too.

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keithg64
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Re: Carb removal...AAHHH!!!

Post by keithg64 » Wed May 10, 2017 5:33 am

Loosen the clamps top and bottom on the isolators and stand next to the bike and wiggle her out. It may be a little tight at first but it will come out. And yes, long needle nose pliers are a must. Straight and angled.
It's not what you buy, it's what you build.

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bellboy40
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Re: Carb removal...AAHHH!!!

Post by bellboy40 » Wed May 10, 2017 8:38 am

I used a long tire iron to put under the back side of the carbs and used my hand on the front to rock them back and fourth and they finally popped loose. They are a bear to get out. Don't put too much pressure while prying on them though... gently is the word. I would recommend getting some hose pliers also. I got a set of three from Harbor Freight and the small one was really helpful in getting those hoses back on under the carbs. This is a link to the pliers I got.

https://www.harborfreight.com/catalogse ... ose+pliers

glk17l
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Re: Carb removal...AAHHH!!!

Post by glk17l » Wed May 10, 2017 2:28 pm

I want to thank every one for the input. As soon as I get back to the garage I will let you know how successful I was
I saw some discussion about bypassing the heat riser on the carbs.
How critical is the coolant heat riser to the operation of the 1500, and can it be bypassed without doing any damage. I understand that it circulates coolant to warm up the carbs, can prevent carb icing and for EPA regulations. I remember that they worked great in the hot air type that were on cars that had automatic chokes and the heat warned up the bi-metal temperature spring on the choke linkage. Yah, I know that was about 45 years ago. My thinking, (and I might be incorrect), is that the bike takes longer to heat the coolant than it does for me to shut the manual choke off. It performs fine, well before the coolant gets hot or the Temp gauge even starts to move. By the way I don't ride if it the temperature is below 50F any more, the wind chill is just too cold for me, even with the 1500 heating vents. I don't know if it will affect the altimeter or any of the other systems that work with the carb.
Thanks, glk17l.

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bellboy40
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Re: Carb removal...AAHHH!!!

Post by bellboy40 » Wed May 10, 2017 5:34 pm

Not sure but I doubt it would be a big deal if it was bypassed if you won't be riding in really cold weather. Is there any reason you want to bypass it? If it is not causing any problems, I would leave it as is.

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spiralout
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Re: Carb removal...AAHHH!!!

Post by spiralout » Wed May 10, 2017 7:26 pm

bellboy40 wrote:Not sure but I doubt it would be a big deal if it was bypassed if you won't be riding in really cold weather. Is there any reason you want to bypass it? If it is not causing any problems, I would leave it as is.
OP said he had a leak there, which I'm guessing is why he's pulling the carbs. Still no reason to bypass it instead of cleaning it up and using a new clamp, though. I'm more interested in this "altimeter" on his '93.

glk17l
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Re: Carb removal...AAHHH!!!

Post by glk17l » Wed May 10, 2017 11:26 pm

Yes there is a leak at the heat riser on the base of the carb. I saw a reply on one of the posts here and the question can up about bypassing it, and I was wonder if it would be functional. I decided to order and replace the water tubes, seeming I am that far down into it. There is no slack on these molded tubes to cut a clean end off. As most wing owners know, it is no easy task to strip the bike that far down, not repair it properly, then having to do it all over again.
I am leaving this link about the 1500 induction system. It is long, it's old (late "80's) and blurry video, yet it is a very informative video. I think it might be a training video from Honda Honda.



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spiralout
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Re: Carb removal...AAHHH!!!

Post by spiralout » Wed May 10, 2017 11:57 pm

To the best of my knowledge, the altitude compensating air jet controller and carb control unit were only used on the early models. The air jet solenoids on your '93 should be controlled by the ECM. No altimeter involved.

glk17l
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Re: Carb removal...AAHHH!!!

Post by glk17l » Thu May 11, 2017 12:01 pm

Thank you for the update on that. I know there were several changes to the system since it came out, just not sure which was when.

glk17l
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Re: Carb removal...AAHHH!!!

Post by glk17l » Sat May 20, 2017 1:16 pm

After installing and removing the carbs twice I still have a coolant leak under the carbs. The new hoses are dry but the bottom of the carbs by the heat riser are wet. I still can not pin point where on the heat riser it is leaking. I pulled the carbs again and did a simple pressure test on the heat riser. I filled the heat riser aluminum "tube" with water, plugged one end and blew through the other end. Now my eyes have been crossed for the rest of the day. No leaks! Has any one heard of hairline cracks in the riser that might cause it to leak when it gets hot? I read the thread on by clamping or plugging the heat riser, but there is no feed back on the results of doing this, that is if it works or if it cause other problems. I was thinking of by passing the heat riser by connecting the two coolant hoses that go up to the carb with a piece of tubing or a coupler, so the coolant will circulate through he rest of the intake manifold and have the thermal valve still functioning. Any opinions, or am I way off base?

glk17l
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1974 360CL

Re: Carb removal...AAHHH!!!

Post by glk17l » Wed May 24, 2017 12:47 pm

:o Oh oh! Silence? I checked with Honda and the carb heat riser is no longer available. Used parts places will only sell the whole carb assy. I will try the by pass, and send an update on the results.

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spiralout
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Re: Carb removal...AAHHH!!!

Post by spiralout » Wed May 24, 2017 1:16 pm

Not a good way to check for leaks, imo. I'd put vacuum to it and see if it held.
Odds are the leak is at a connection and not the riser itself.

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wingdings
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Re: Carb removal...AAHHH!!!

Post by wingdings » Wed May 24, 2017 1:34 pm

hi - saw your post - I came across this a while back - go click on the link - http://www.jmartino.me/carb/index.htm - you may find it useful in your quest .. :D :D :D :D :D :D

glk17l
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1982 450CM
1974 360CL

Re: Carb removal...AAHHH!!!

Post by glk17l » Fri Jun 02, 2017 1:48 pm

I want to thank every one for their help and input. I did change both the hoses that go to the heat riser. The leaking coolant was not from the riser, it was from the hoses. Then after installing the carb the second leak was from a bad hose clamp that blew coolant onto the heat riser... hard to diagnose or see when the carb is on and running. I also rebuilt the carbs with the Barracuda kit., and a few other O-rings that didn't come in the kit. Put new O-rings on the joint set for the accel. pump, and a new accel. pump diaphragm kit. I found the gaskets and O-rings were all dried up and brittle, yet there was no gumming or sticky varnish in the carbs. However there was a thin, dry film of powdery "varnishing" in the bottom of the bowls. Wonderful gasoline! Or it may be the new "enzyme" type fuel treatment. I am switching back to Sta-bil. All the jets and galleys were clean, for having 43,000 mile on it. I put in new fuel valves and seats. The new ones do not have the little filters on the seats, and I am hoping this will not cause problems later. It runs great; a little rich, but I still have to sink the carbs. I am just waiting for a petcock kit to come in before I put all the "tupper wear" back on. No leaks! The idle surge was from the collapsed vacuum hose on the left intake manifold, under the heat shield, just as shown in the one of the discussions here. Hopefully this should also bring my gas millage up from 24 MPG. Thank goodness for "Goldwing Docs". It is a shame that my local Honda dealer is so tight lipped when I need information.

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spiralout
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Re: Carb removal...AAHHH!!!

Post by spiralout » Fri Jun 02, 2017 2:05 pm

Thanks for the follow up. I hate to hear you used the Saber Cycle kits though. They come with lots unnecessary brass and not enough orings to do the job. I've used them before, against my better judgement, and always had problems such as bowl gasket shrinkage fouling the floats on 1000 carbs, improperly sized orings, leaky needles and seats, etc. Hopefully you'll have a better experience with their garbage than I did.

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bellboy40
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Re: Carb removal...AAHHH!!!

Post by bellboy40 » Fri Jun 02, 2017 3:15 pm

Spiralout is correct in his assessment of Saber Cycle! They have a bad reputation for poor service that is well deserved. Many people have reported having problems with them when trying to get something done about a defective part. They mostly just belittle you for ordering the wrong part, being an idiot, etc. It is never their fault or that of the product according to them.

glk17l
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Re: Carb removal...AAHHH!!!

Post by glk17l » Tue Jun 20, 2017 12:50 pm

So far, so good. I never had it running this good. Again thanks to all that gave input on this. As far a Cyber Cycle, I have not had any problems with them, but I have only purchased a couple of items from them on their Ebay store, and have not had to return any items. I also noticed that they are no longer on Ebay.



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