General How to - Alternator change on A/C K series. - MG-Rover.org Forums
 
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post #1 of 18 (permalink) Old 21-04-2013, 13:52 Thread Starter
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How to - Alternator change on A/C K series.

I was informed that the first A/C K series alternator change how to no longer has any pics, so I was requested to write another.
Iirc all you need for this job is a 10mm spanner, a couple of 13mm spanners and maybe a 15... But dont quote me on that....

Remove leads from battery

Look down the belt that is attatched to the Alternator Pully.
You will see the tensioner

Use a 13mm spanner on the poorly circled lug, to release tension on the belt, slip it off the alt. pully.


On the back of the alternator you will see a small plug and a nut holding a wire on. Undo these


Now the bracked holding the top of the alternator to the head
Remove the large bolt going through the alternator
As seen here;




Now undo the other 2 bolts on the bracket, that fasten it to the head..
One can be seen here...

When thats done, you need to prise the alternator away abit so you can move the bracket.

Directly below the long mounting bolt that went through the alternator, you will find a second one. Too awkward to take a pic of though... Remove that...

Then wiggle the alternator out!


Refitting is the reversal of removal!

Having done this twice on my ZS it only takes 20 minutes... And thats on the side of the road using my in car toolbox.

Last edited by lukenobrains; 21-04-2013 at 13:58.
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post #2 of 18 (permalink) Old 15-05-2013, 19:28
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Belt change

Hi,

I have just changed the alternator on my 2000 Rover 25 K series 1.4 no aircon.

I now need to change the alternator belt and I am stumped, I have removed the belt from the alternator pulley but can not seem to remove the belt at the other end as there is another pulley and belt in the way ( I presume fan belt) how on earth do you fully remove this belt?

Thanks so much for any info!
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post #3 of 18 (permalink) Old 19-05-2013, 14:14
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That would be the power-steering pump belt. A 13mm spanner on the tensioner - from underneath the car - to take off the tension and remove the belt...


gnu
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post #4 of 18 (permalink) Old 02-06-2013, 19:58
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Used this guide to get an alternator replaced on mine today. When putting the belt back on though, I found it easier to only put the bottom bolt through the alternator then pulled it towards to the front of the car, then slipped the belt over. Then with tension released push the alternator in to position and put the top bolt back on. Bit fiddly with only one pair of hands this way, but still doable.

Apart from that, great guide and did it on the side of the road outside the house as well
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post #5 of 18 (permalink) Old 04-08-2013, 22:23
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My lower bolt is loose, should it have a nut on the end or is the bracket threaded? Cheers:-)
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post #6 of 18 (permalink) Old 05-08-2013, 10:45
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Originally Posted by pipcars View Post
My lower bolt is loose, should it have a nut on the end or is the bracket threaded? Cheers:-)
There should be a nut on both bolts, top and bottom.

It's quite a fiddley nut to get to, but should be there.
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post #7 of 18 (permalink) Old 05-08-2013, 13:00
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Many thanks.
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post #8 of 18 (permalink) Old 15-08-2013, 18:44
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Cool Which alterntor?

Hi,

I need a new alternator....

I have an MG ZR 105+, 1.4, 54' Plate facelift model with A/C. I was asked what output I needed a 75 or 85?
How do I know which one????

Please help
Hannah xxx
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post #9 of 18 (permalink) Old 15-08-2013, 20:05
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Quote:
Originally Posted by Hannawah View Post
Hi,

I need a new alternator....

I have an MG ZR 105+, 1.4, 54' Plate facelift model with A/C. I was asked what output I needed a 75 or 85?
How do I know which one????

Please help
Hannah xxx
Welcome to the forum Hannah

Your MG ZR 105 has 1.4 k-series engine. So you need Alternator with maximum output of 75A.
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post #10 of 18 (permalink) Old 16-08-2013, 08:42
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Talking Roverlike Thanks xxx

Awesome 75... Guess what my weekend task will be ....

Replacing said alternator

Wahoooo
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post #11 of 18 (permalink) Old 16-08-2013, 09:51
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Can I use a higher amp alternator?

Hi,

On looking into the alternator I get a few options... It's actually cheaper to put in an alternator with higher output... Is this possible?

Hannah x
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post #12 of 18 (permalink) Old 16-08-2013, 10:01
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Quote:
Originally Posted by Hannawah View Post
Hi,

On looking into the alternator I get a few options... It's actually cheaper to put in an alternator with higher output... Is this possible?

Hannah x
Yes you can. BUT I am not sure if higher alternator is any bigger in size in sense that you might have issues in placing it on the engine... Same goes to belt position. You would need to be sure that higher output one will sit correctly in place of old one and that you will not have problems mounting it in place.
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post #13 of 18 (permalink) Old 09-02-2017, 08:06
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Thumbs up Photo's

Hi, Could you please reload the photo's? I'm going to do this on at the weekend.


Cheers
James
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post #14 of 18 (permalink) Old 09-02-2017, 16:01
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Hi, Could you please reload the photo's? I'm going to do this on at the weekend.


Cheers
James
Original poster was not logged on the forum for almost a year, so I am not sure if you will get these pictures to see.
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post #15 of 18 (permalink) Old 11-02-2017, 19:12
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Thanks,

I have the belt off and have removed the top bolt and the bottom bolt on the mounting bracket.

The Alternator can move freely back and forth but I can't pull it out. Any ideas? Hammer? Hidden third bolt?

Cheers :-)
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post #16 of 18 (permalink) Old 11-02-2017, 22:27
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There is a metal bush that pulls in when the bolt is done up, if you wriggle the alternator it moves enough to release the alternator, you then need to push it out slightly to make fitting the new one easier.
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post #17 of 18 (permalink) Old 12-02-2017, 06:53
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So do i have have to compress a pull this bush out with a wrench?
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post #18 of 18 (permalink) Old 12-02-2017, 11:13
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iirc the bush can move along and jam the alt in place along its pivot point. It needs fiddling free - try some penetrating oil and knocking it out of the way of the bracket for removal.
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