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I installed the kit and am happy with the result except for the fact that there is a whine coming from it that I find overly loud. Anyone else installed one of these and have the same issue? Wonder how hard it would be to swap the noisy bearing assuming it is a noisy bearing??? or is that just the way they are?
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TR2/3/3A Alternator from British Wiring
- Thread starter karls59tr
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Geo Hahn
Yoda
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Ahh - this perhaps? https://www.britishwiring.com/product-p/ltr3tr4alt.htm
If it is a new alternator making that noise I'd start by talking to the vendor.
If it is a new alternator making that noise I'd start by talking to the vendor.
TR3driver
Great Pumpkin - R.I.P
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Alternators do make a tiny bit of noise normally, but should be no way to hear it over a running TR motor.
I would check carefully around the fan blades, might be rubbing a mounting bolt or something. Then talk to the vendor as Geo said, with an eye towards a replacement.
Bearings are easy enough to change on most alternators, but no way should that be needed with a new unit!
I would check carefully around the fan blades, might be rubbing a mounting bolt or something. Then talk to the vendor as Geo said, with an eye towards a replacement.
Bearings are easy enough to change on most alternators, but no way should that be needed with a new unit!
trglory
Jedi Trainee
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I have a BW alternator on my TR3a and have no whining. Make sure the alternator is aligned with the water pump and crank pulley. Then make sure you don't have the belt adjusted so tight that you put side stress on the bearings. It's hard to get it adjusted right when there is so little play between too much and not enough. I ended up putting a turnbuckle type adjustment rod on my car to be able to dial in a good feel for the tension.
Once you are satisfied that the installation is correct, then talk to the folks at BW.
Once you are satisfied that the installation is correct, then talk to the folks at BW.
"one of these refers" refers to the alternator in the subject of the post.
Not sure what you mean by "turnbuckle type adjustment"?
trglory
Jedi Trainee
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The first photo shows the alternator adjusted out as far as I could get it with the belt attached. Second photo shows the amount of adjustment available between full in and full out .... had a hard time getting the proper tension on the belt and then tightening the bolt without moving the alternator. Third photo shows the turnbuckle adjuster rod I used (I think it came from a Jaguar); adjust till you get the proper tension, then snug up the lock nuts on either side.
