300tdi vacuum pump - Defender Source
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  #1  
Old January 30th, 2007, 04:06 PM
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steve
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300tdi vacuum pump

Anyone ever had any problems with this before??

I'm pretty sure at this point my pump is shot, but please someone tell me I'm wrong.

So I cant get the hose going to the pump to hold vacuum at all. not a bit, and when I measure the vacuum with then engine running the needle on the gauge jumps up and down between 0-5psi and never builds pressure. There also seems to be a slow oil leak from the bottom of the pump.

I'm going to do some more trouble shooting to see if there is a leak int the line, any suggestions would be great.

RN quoted 500+ for the pump

George at RDS hasn't gotten back to me yet.

I starting to think I can't affor this.
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  #2  
Old January 30th, 2007, 04:16 PM
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One of the Sales Reps here has been dealing with a company in NC that has a bunch of 300TDI stuff in stock. TideWater Rover Parts 910/763-3335 ask for John. I know nothing about the company just an FYI.

Eric
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  #3  
Old January 30th, 2007, 04:37 PM
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Julien Dalbin
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Steve, do you have a part number for pump ?
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  #4  
Old January 30th, 2007, 05:31 PM
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steve
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Thanks Eric, I'll give him a call.

I think the part number is ERR-3539 (from rovers north). Do you think you could find a source down there that is cheaper?... I don't mind waiting.

Thanks guys
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  #5  
Old January 30th, 2007, 07:38 PM
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Does anyone know how much vacuum there should be going to the booster(servo)??

I have scoured the LR manuall and nothing.
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  #6  
Old January 30th, 2007, 10:00 PM
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Max boost pressure should be between 13.5 to 15.5 psi.
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  #7  
Old January 31st, 2007, 05:30 PM
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I don;t think that figure is correct.
I'm looking for how much vacuum (inHG or mmHG) there is supposed to be comming off of the vacuum pump.
My pump is currently at idle giving ~4inHG and reved ~10inHG.


I just pulled out the vacuum line and made sure it is sealed... So I need to figure out if it is the pump or the servo. I'm assuming it is the same amout of vacuum created in the V8's for the vacuum servo... can someone tell me what there vacuum on a V8 is?

Follow-up Post:

I'm reading in some places that the vacuum in other trucks should be around 20 inches... I really need to know how much vacuum is supposed to come out of the 300tdi vacuum pump to diagnose weather it is the pump or the servo.

Someone....anyone...please help

Follow-up Post:

I looked at an old LR manual and the 2.5NA diesel is supposed to pull .8bar or ~24 inches of mercury. If the 300tdi is supposed to be anything close to that I need a new pump.
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  #8  
Old January 31st, 2007, 05:33 PM
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Patrick M.
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LR PN: ERR3539 made by Wabco UK suspected to be made in Brazil even if it says made in UK
Wabco PN: 914 005 061 0

http://cgi.ebay.com/ws/eBayISAPI.dll...m=150014951877

Pat
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  #9  
Old January 31st, 2007, 06:22 PM
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Thanks for the link Pat. I actually emailed these guys yesterday for a shipping quote but they havn't goten back to me yet.

Has anyone ever bought from them before?
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  #10  
Old January 31st, 2007, 06:25 PM
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The Landrover retail price is 255.97 + VAT


Delivery costs:-

UK 7.00

Europe 17.00

Rest of World 25.00


I think we fall under Rest of World. Never heard of them before, but lots of stuff. I hope you get your troubles fixed. I wish I could help but I have zero experience with this part.
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  #11  
Old February 1st, 2007, 12:59 AM
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Ah, sorry. I should have read closer- I just saw "Booster Pump" and gave you the boost pressure. Anyhow, i'll look into some of my manuals and see what i can come up with.

Will it it start? Symptoms?
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  #12  
Old February 1st, 2007, 02:50 AM
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Starts fine, the only thing the vacuum is used for in diesels is to boost the brakes. So the pedal is stiff...really stiff...like hurt your knee stiff.

I'm pretty sure that I need a new pump... but if you can find the vacuum pressure that is supposed to be generated by the 300tdi vacuum pump that would be great, I can't find it in my manual.
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  #13  
Old February 1st, 2007, 12:09 PM
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FYI- I ordered a new Wabco vacuum pump form Island4x4 on ebay for about $230 shipped to the US, the exchange rate is sh#$ now. I'll let you all know if it gets here in one piece and fixes the problem. Thanks for the help.
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  #14  
Old February 1st, 2007, 04:47 PM
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OK, just making sure you're not trying to describe engine troubles regarding the EGR. I just replaced the brake booster and it made a world of diff. I never pulled a check on the vacuum b/c it was working but I'll see if I can't dig up the specs.
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  #15  
Old February 1st, 2007, 07:11 PM
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I don't have any EGR left in the truck.
Man I hope it is not the booster. But everyting is pointing to the pump for me.
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  #16  
Old February 2nd, 2007, 07:18 PM
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Julien Dalbin
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Quote:
Originally Posted by D90user
FYI- I ordered a new Wabco vacuum pump form Island4x4 on ebay for about $230 shipped to the US, the exchange rate is sh#$ now. I'll let you all know if it gets here in one piece and fixes the problem. Thanks for the help.
I think you made a good deal. Do you know how much they are charging you
for the shipping ?
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  #17  
Old September 2nd, 2008, 05:04 PM
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George Kase
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Hey Steve...did that vacuum pump solve your problem? I've got the same symptoms...super hard pedal and little to no vacuum registers from the pump...
George
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  #18  
Old September 2nd, 2008, 06:26 PM
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Gren Thomas
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Hi george check the fitting on the brake diaphram, mine was leaking and gave the same symtoms i was lucky to hear the air leak hiss when the engine stopped.

if it is the pump try paddocks in the uk 83.00
http://www.paddockspares.com/pp/DEFE..._-_300TDI.html

regards
Gren
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  #19  
Old September 2nd, 2008, 09:32 PM
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I've dealt with Island4x4 before with good results.
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  #20  
Old April 16th, 2009, 06:56 PM
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Did the pump solve your problem? This is what I am dealing with right now.. I thought it was a bleeding problem but my brakes have no air as suspected.. Just a very hard ( no power brake ) feel...
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