Removing the alternator while engine is still in car

Boonies

So today I will replace the dying alternator and I dont want to remove the engine. Got a good idea on how to remove it while the engine is still in. Just looking for any good tips or suggestions that anyone has.

thanks

Countyblues · Posted: Sun Aug 13, 2006 9:28 am Post subject:

its not to hard to do it, just remove the deck lid losten the strap and the two side screws and you should be good to go

Boonies · Posted: Sun Aug 13, 2006 9:36 am Post subject:

Two side screw you are speaking of are on the fan shroud correct.

Glenn · Posted: Sun Aug 13, 2006 9:37 am Post subject:

It's a real B!TCH to get the fan shroud off with the engine in.

But you can remove the alternator and leave the shroud in... here's how.

Remove the wires, fan belt and half of the pulley. Reach around the front of the engine and put a 36mm socket with a 3" extension and a breaker bar on the fan nut. Use a large adjustable wrench in the remaining half of the pulley and crank the nut loose. Now remove the alternator strap and the 4 bolts holind thebacking plate to the fan shroud. Tilt the alternator so you can gain access to the 2 10mm nuts and remove them. now pull the alternator out.

To reinstall, just doeverything in reverse. Make sure the fan nut is tight or it might come loose.
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John M. · Posted: Sun Aug 13, 2006 9:39 am Post subject:

Countyblues · Posted: Sun Aug 13, 2006 9:40 am Post subject:

that is very true it can be done that way also and yes I was talking about the two screws on the shroud.

Boonies · Posted: Sun Aug 13, 2006 11:20 am Post subject:

Thanks for the tips guys.

Glenn · Posted: Sun Aug 13, 2006 11:23 am Post subject:

Boonies · Posted: Sun Aug 13, 2006 11:24 am Post subject:

And this "Hoover Bit" is???

Glenn · Posted: Sun Aug 13, 2006 11:26 am Post subject:

It's that small piece of tin that missing on 95% of the engines. It closes off the gap between the oil cooler and the fan shroud.

Image may have been reduced in size. Click image to view fullscreen.

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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"

Member #1009

#BlueSquare

עַם יִשְׂרָאֵל חַי

Boonies · Posted: Sun Aug 13, 2006 12:28 pm Post subject:

What should you torque the 36mm nut to?

volkenstein · Posted: Fri Aug 25, 2006 3:40 am Post subject: Torque value

40-47 ft/lbs.
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sepulvedac · Posted: Tue Sep 05, 2006 12:07 pm Post subject:

Glen, I tried your method but the nut in the back did not budge. Colud not get it loose to save my life. I did exactly what you said and nothing! I used a 12'' adjustable wrench at the front and the 36mm with the breaker bar in the rear. could not use the 3" extension because the firewall would not le me use it.
Any other suggestion besides taking the whole thing out? Then again, that posses another problem, what can I use to hold the a;lternator so it would not move while loosing it. I do not have a vise-grip.
Carlos

John M. · Posted: Tue Sep 05, 2006 12:23 pm Post subject:

sepulvedac · Posted: Tue Sep 05, 2006 12:59 pm Post subject:

Did that. The nut do not want to get loose. And I am a heavy guy, 240lbs of pressure should have done the job, but nothing.

John M. · Posted: Tue Sep 05, 2006 1:30 pm Post subject:

The only other way to get it off would be to pull the engine.

That nut should only be torqued to 44ft lbs. Somone in the past must have used an Impact Wrench to tighten it down.
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sepulvedac · Posted: Tue Sep 05, 2006 2:02 pm Post subject:

I was thinking about that. It is too tough to get loose. I should turn counterclockwise to get it loose, right? Shocked

Boonies · Posted: Tue Sep 05, 2006 2:10 pm Post subject:

Just loosen the fan shroud and you can wiggle it up to a position where you can get the alternator out with the fan on it. If someone has used a numatic wrench to put it on then getting it off could be a real PITA.
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sepulvedac · Posted: Tue Sep 05, 2006 2:22 pm Post subject:

Still, if I take the fan shroud, I am going to need something else to hold the whole thing and balance it. Hard to do it by myself. And the mechanic I know wants to charge me $120. Her says it take 2 hrs and it is too difficult to R&R. Oh, well. I will keep charging my battery until I find a better way to do it.

Boonies · Posted: Tue Sep 05, 2006 2:45 pm Post subject:

I did it by my self with some small blocks to hold up the shourd while i took out the alternator. Really not that hard at all. Just have every thing ready to come out when you loosen the shroud... and take off your carb.
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The Old Speed Shack


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Removing the alternator while engine is still in car
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