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Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler.

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Old 08-12-2007, 02:49 PM   #1 (permalink)
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Question Adding brake fluid....first timer question

noticed my rear brakes seemed really "squishy", so I checked the rear fluid level and it is right on the "Lower" line, maybe a tad below. So I'm going to add some fluid, but was wondering if and DOT4 fluid is ok or if I need to stick to EXACTLY what was used before? Also, do I need to bleed the brakes after adding fluid? Thanks.
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Old 08-12-2007, 03:08 PM   #2 (permalink)
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Dot 4 is fine and you don't need to bleed the brakes. By the way 4 of us here in Florida checked ours and they were all on the low mark or a hair above it. maybe that's how they save money at the Hinckley Plant. Who knows?

By the way, Vavoline makes a super performance brake fluid that can be used in Dot 3 or 4 or 5. Discount Auto sells it.



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Old 08-12-2007, 03:15 PM   #3 (permalink)
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DOT 4 fluid will be fine - chances are that's what's in there already. It may be worth you checking the wear on the brake pads because as they wear out the fluid level drops.

Provided the pads are okay, you can just top up the fluid. If the brakes feel fine after this there's no need to do more.

If they still feel "squishy" after you ought to bleed them as there could be air present in the system which will reduce braking efficiency markedly. Brake bleeding is pretty easy to do and takes 10 minutes tops. If you've got a buddy who's done it before he/she can show you how it's done.
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Old 08-12-2007, 05:54 PM   #4 (permalink)
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I agree with the above. TIP: use a rag to protect paintwork 'round the reservoir while topping up.
Or don't and find out why you should have...:
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Old 08-12-2007, 07:12 PM   #5 (permalink)
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pads

If your brakes are squishy and you have to add brake fluid you may find that the pads have worn beyond the service limit.If this is the case, replace the pads first as you will only have to take fluid out when you replace them and push the piston back in.Check the pad wear indicators,which are grooves in the pads,if they are not worn beyond the grooves then add fluid and bleed.
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Last edited by amanger; 08-12-2007 at 07:12 PM. Reason: spelling
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Old 08-12-2007, 08:52 PM   #6 (permalink)
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Quote:
Originally Posted by amanger View Post
If your brakes are squishy and you have to add brake fluid you may find that the pads have worn beyond the service limit.If this is the case, replace the pads first as you will only have to take fluid out when you replace them and push the piston back in.Check the pad wear indicators,which are grooves in the pads,if they are not worn beyond the grooves then add fluid and bleed.
Thinking the same thing. Most of us seem to wear our the rear pads at 7K or possibly sooner. Get some EBC pads as replacement, they last twice as long as the OEM pads.
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