Wobbly alternator - update

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Ralf85
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Location: West London - 1985 westie pop top, LHD, 1900 DF engine

Wobbly alternator - update

Post by Ralf85 »

In the last week, I noticed a screech from the drive belt, when starting the engine. So, I thought let's check and adjust the alternator tension, to cure the problem. Wrong. It turns out, that one of the studs holding the alternator bracket onto the back of the engine had fallen out and the second one was about to fail as the nut had fallen off. Getting some new studs and nuts and things should be sorted soon. The lesson? Check the belt tension more often!
Last edited by Ralf85 on 22 Jul 2016, 18:56, edited 2 times in total.

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CJH
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Re: Wobbly alternator

Post by CJH »

It's possible those replacement studs won't stay in long. I had the same problem - replaced the stud, and a few hundred miles later it had gone again. I had to put in a helicoil as the threaded hole was too worn, or the stud had been overtightened before.
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Ralf85
Registered user
Posts: 4447
Joined: 13 Jan 2010, 12:42
80-90 Mem No: 4418
Location: West London - 1985 westie pop top, LHD, 1900 DF engine

Re: Wobbly alternator - update

Post by Ralf85 »

Noted CJH. My mechanic buddy Mike popped around this morning and decided to fix it. He came back this afternoon with bolts and nuts. With the metal coolant pipe obstructing the studs it took a couple of hours to fix. However it's now done. We discovered that the only thing keeping the alternator in place was the adjuster bracket. We put a new fanbelt on too. That was close. I'm a happy bunny again!

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