GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple


Information and questions on GL1100 Goldwings (1980-1983)
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bobbybiscuit
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GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby bobbybiscuit » Sat Sep 17, 2016 10:11 am



Does anyone know the size of the bolt thread that fits the rear caliper on the GL1100a 1982 Aspencade - my bleed nipple is totally seized and despite several attempts by garages it wont budge.
So I am settling to buy a combined banjo bolt with a bleed nipple on top. Thanks.



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roadwanderer2
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby roadwanderer2 » Sat Sep 17, 2016 12:05 pm

if you feel adventurous, you can try this. i did it with my brake caliper......remove the caliper from the bike, drain all the brake fluid out of it, remove the dust boot and seal, take a small Bunsen burner propane torch and slowly heat up the bleeder nut area,(NOT THE BLEEDER SCREW) of the caliper. dont let it get too hot, but just enough to gently break the bleeder screw loose. let the caliper cool down and rebuild it using new seals and dust boot. use fine emery cloth to clean down the caliper piston. once you get the bleeder screw out you can replace it with a new one or use a welders torch tip cleaner or a piece of piano wire to clean the bleeder.

this WILL work if you have the time and patience to do it.

stuart.

bobbybiscuit
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby bobbybiscuit » Sat Sep 17, 2016 12:24 pm

Thanks for the information. I am not sure what the garage heated when they done it but I have had two different garages try. I dont have a bunsen burner torch but i could try and source one. Would still be interested in knowing though the size of the screw thread so i can of where the banjo bolt goes in because I just want to get my bike on the road. It needs a MOT test to get it back on the road and would love to get some rides in before November when the colder weather sets in.

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roadwanderer2
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby roadwanderer2 » Sat Sep 17, 2016 12:30 pm

im not sure what the size of the banjo bolt is but i'll do some research and let you know. give me a couple of hours or less.

stuart.

bobbybiscuit
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby bobbybiscuit » Sat Sep 17, 2016 12:44 pm

Thanks - its OK - no rush. Shops are stores are closed now until tomorrow anyway. I am in UK (its 18.42 here).

I have been looking on ebay for a blow torch - looks line there are some that may be suitable - what temperature do you reckon yours gets up to.

bobbybiscuit
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby bobbybiscuit » Sat Sep 17, 2016 12:45 pm


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roadwanderer2
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby roadwanderer2 » Sat Sep 17, 2016 1:05 pm

thats what you might be able to use to heat the caliper up with. none of my websites or any of my Honda manuals show that bolt. it shows everything else except for the banjo bolt. but, have a look at this. it says its a bolt,oil............90145-300-000 go onto your UK eBay site and type that number into the search box it should bring up a whole page of banjo bolts. scroll down to the 2nd listing. to me it looks like a brake line banjo bolt which should be a 10 mm x 1.25 thread pitch. it even gives you the total length of the bolt.

hope this helps you.

stuart.

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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby bobbybiscuit » Sat Sep 17, 2016 2:43 pm

yes sir, thank you - had a look and and you are spot on. Thank you. Its lists a GL1100 so looks good to me. Will go and order one now.

When does your bike season end? I am in the South West of the UK (plymouth) where the Pilgrim Fathers set said from. Our weather is generally mildish but wet during the winter but we do have some long cold blasts.

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roadwanderer2
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby roadwanderer2 » Sat Sep 17, 2016 3:15 pm

bobbybiscuit, im glad i was able to help you. it would be nicer if you could back out that bleeder screw. our riding season usually goes from mid march to...........whenever lol. down here in the mid southeastern states,(Tennessee) most "sensible" rides stop riding late October-mid November, then there are die-hard riders who ride up until the first snow flake. then theres me, i ride all year round. i have arctic weather riding gear. long johns that protect me down to -20*F, arctic gloves and insulated waterproof boots, that and i ride 3 layers thick. long-johns, jogging pants and top and jeans plus my insulated rain suite if needed lol. as long as theres no ice or snow on the ground, im riding.

stuart.

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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby bobbybiscuit » Sat Sep 17, 2016 4:00 pm

-20!!!!! wow never had it that cold here. You are a die hard. Because my bike has been off the road for 14 months due to lack of funds, I am making an effort to get the bike back on the road. I have won bids on several rear master cylinders and that has been my bug bear. Keep seizing despite new kits fitted by a garage. I have purchased two new rear master cylinder kits and bidding on a new rear caliper on ebay. I am building up a supply. I have also a second hand carbs to be fitted to my bike earlier next year. The seller seems to have done some reconditioned work on them. Bike started well recently but did not run near perfect until engine had totally warmed up - winter its a nightmare to wait so long for bike to warm up. Hence i bought a run around - BMW R1100RS. very very reliable and great in winter.

I will get the GL1100a up and sorted with the bleed nipple - I have ordered a new blow torch and do what you suggest. But need to get the government testing on the bike(MOT)sorted first.

Thank you for your help

Robert (Bob or Bobbybiscuit)

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roadwanderer2
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby roadwanderer2 » Sat Sep 17, 2016 4:32 pm

true, these 1100's are cold natured to begin with. they take a while to warm up when its below 40*F. mine takes about 2 miles before the temp gauge starts to get off of total cold.

listen, if you decide to use the torch method to break the bleeder screw loose, remember, that the caliper is aluminum and it won't take much heat to damage it. if your ordering another caliper, you can take the one off your bike and do it in a bench vise so it doesn't move. me, im used to using torches as i was an "under vehicle auto tech",(Midas and Meineke for 24 years), and using torches was an every day thing for me so i knew when metal or cast iron is just right for removing broken bolts and studs. lets say for cast iron exhaust manifolds where the exhaust pipe bolts up the the 2 or 3 bolt flange on vehicles from the 60's thru the 80's, you need to get it just about melting point to back out a broken exhaust manifold stud without breaking the stud or the ear of the manifold off. aluminum is different, it takes less heat to get it hot enough to back out a broken bolt or screw or bleeder screw. too much heat and it will melt the casting. just thought you'd want to know, but do NOT get the bleeder screw hot or it WILL snap off leaving the bottom end of the screw inside the caliper housing. make sure you heat AROUND the bleeder screw and not the bleeder screw itself.

you COULD, if you have a local muffler shop take the caliper to them and let them try to remove it. tell them you want the casting heated up so the bleeder screw can be backed out. if their auto techs are as good as i was they shouldn't have a problem doing it. they might tell you that they are not responsible if it does break, but if your replacing the caliper, it won't really matter. at this point you have nothing to loose.

stuart.

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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby RBGERSON » Sun Sep 18, 2016 6:37 am

It could be your master that's locking up your rear caliper..if the return hole is plugged..lots of threads and pics of that hole..you may need to rebuild/clean the master.
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

bobbybiscuit
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby bobbybiscuit » Sun Sep 18, 2016 6:55 am

Thanks for info but have cleaned that out. It has always been one or the other. The piston in the master is definitely seized. I have sorted the caliper - except that bleed nipple seized and I have ordered a new banjo bolt with bleed nipple on top. I have just fitted a replacement master cylinder which I bought as working from the USA. I have just won a bid of the complete rear brake system, cup, rear master cylinder and caliper for $54 off a 1982 bike (all working). I am building of a list of spares for the back brake which has been the bain if my life since I had the bike. Even with new kits fitted!

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roadwanderer2
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby roadwanderer2 » Sun Sep 18, 2016 8:00 am

bobbybiscuit wrote:Thanks for info but have cleaned that out. It has always been one or the other. The piston in the master is definitely seized. I have sorted the caliper - except that bleed nipple seized and I have ordered a new banjo bolt with bleed nipple on top. I have just fitted a replacement master cylinder which I bought as working from the USA. I have just won a bid of the complete rear brake system, cup, rear master cylinder and caliper for $54 off a 1982 bike (all working). I am building of a list of spares for the back brake which has been the bain if my life since I had the bike. Even with new kits fitted!


thats not a bad price for the entire rear braking system. glad you were able to find one.

stuart.

bobbybiscuit
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby bobbybiscuit » Sun Sep 18, 2016 8:41 am

Good morning Stuart. Yes pretty damn lucky. Unfortunately the postage alone is about another 125% on top of the part. Thats the problem with having a USA bike - the postage is a killer. Pity more USA ebay sellers dont sign up to the international seller scheme. Postage is a lot more realistic then. :D

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roadwanderer2
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Location: sweetwater, Tennessee
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby roadwanderer2 » Sun Sep 18, 2016 10:12 am

Good Afternoon Robert.

yes, its the same way when i have to order parts from "across the pond". shipping is a killer unless i order parts from China or Hong Kong. i also wish more over seas eBay sellers would go to "international shipping" it would make things much easier and cheaper for everyone.

stuart.

bobbybiscuit
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Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby bobbybiscuit » Sun Sep 18, 2016 2:25 pm

Hi Stuart - I very rarely buy anything from China - not convinced about the quality. I am surprised you buy from the UK. Thought you would easily get the parts you needed from the States. I have generally found that parts are cheaper in the USA. Strange how it works out.

Robert :D

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roadwanderer2
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Contact:

Re: GL1100a 1982 rear caliper - combined banjo bolt with bleed nipple

Postby roadwanderer2 » Sun Sep 18, 2016 4:22 pm

i'll buy small parts items from china, like some new wire harnesses for the starter solenoid, and some "bling", but unfortunately nothing from the UK because its almost as expensive as the prices and shipping from Canada.

stuart.




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