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Well my alternator died today and I think the pump is the culprit. 

Anyone have experience of working on these pumps or rebuilding them? 

New ones are expensive and hard to come by here. It's a 1998 mk4

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7 hours ago, Matt1986 said:

Well my alternator died today and I think the pump is the culprit. 

Anyone have experience of working on these pumps or rebuilding them? 

New ones are expensive and hard to come by here. It's a 1998 mk4

On the early one is was often simply a case of replacing an o ring, but as I say, I'm not sure about the later one.  Someone will be able to give you more info soon I'm sure.

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I rebuilt one but it was on my Mark 1 the Mark 4 is different in the reservoir attachment but is still the same with regards to the pump parts ,the rebuild kit is available but not from Lexus.

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Got the pump off with no dramas so very pleased. It's covered in oil and dirt. I've had a quote from a place to rebuild it for £115 so I'm sending it off this afternoon. Hopefully I can have her back on the road by next week. Although complex I didn't encounter and stuck bolts or rusted bits. A testament to the quality of the car and it's parts. 

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9 hours ago, Matt1986 said:

Got the pump off with no dramas so very pleased. It's covered in oil and dirt. I've had a quote from a place to rebuild it for £115 so I'm sending it off this afternoon. Hopefully I can have her back on the road by next week. Although complex I didn't encounter and stuck bolts or rusted bits. A testament to the quality of the car and it's parts. 

So is the pump the culprit re the whine?

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I think the whine was the alternator as it died but the pump was leaking and the alternator covered in oil so I'm having it rebuilt anyway. Mostly as a precaution as its a known issue and I've got it all in bits anyway. She's also getting a full service and new drive belt and pulleys whilst I'm at it. Total cost £400. I intend to keep her on the road for a long time so it's worth it to me. I just hope this is it for a while!

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I believe its possible to make a shield for the Alternator to stop a P/S pump from leaking onto  it?   Must take a look as I do have a very slow leak and its not just the "o" ring below the canister which I've changed.

Too lazy to do a complete rebuild of the pump so happy just to top up, but......that alternator I don't want going down.

 

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