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Old February 26th, 2012, 11:40   #2881
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was a problem ten years ago, don't seem to hear of problems any more.
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Old February 26th, 2012, 12:04   #2882
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Originally Posted by PaulGiz View Post
As this thread gets longer, we drift away from the thing that is most important here. It us not the fact that the HPFP can fail, all compnonts can fail. It is not the frequency of failure -- honestly on the scale of mechanical reliability it isn't all that bad.

It is the fact that the design of the fueling system is such that the failure necessitates its complete replacement, to the tune of $8,000 +.

It is unreasonable to think this is okay, especially for a $26,000 "family" vehicle.

I love my JSW. For well under thirty grand it is a bargain. For $34,000 or $42,000, not so much. I shouldn't have to start an escrow account just to make sure my car can continue to run.

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Absolutely. We must all remain fully aware of this.
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Old February 27th, 2012, 07:42   #2883
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To answer a few questions earlier: The dealer had no explanation for the failure. The fuel looked fine and the repair was covered under warranty. The fuel was from PA which has a B5 mandate. I always fuel from one of 3 stations in the area unless on a road trip out town. This failure occurred on a tank from one of my usual stations. Car was driven gently except 1 time driving someone to the ER.

Yeah I guess I could've had contaminated fuel a some point. It wasn't the final tank though.

The pump design sucks - I think we can all agree on that. A bad tank of diesel here or there should not cause a catastrophic failure. At worst it should just ruin my pump and not the whole fuel system. It's the 8K repair bill that is unacceptable, not the failure itself.

While mulling over the decision of keep vs. sell, I was given a company car which made the decision easy. When I have to return this company car I'd love to come back to TDI's if this problem is sorted out. loved the car, but this pump design is BS.
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Old February 27th, 2012, 12:15   #2884
Derrel H Green
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Question Any MBZ Failures

Quote:
Originally Posted by jbright View Post
I'd love to know the HPFP catastrophic failure numbers for all cars with CR engines across the EU.


Is anyone anywhere reporting failures with their MBZ CR diesels?

Sure hope I did not jump from the frying pan into the fire!



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Old February 27th, 2012, 14:00   #2885
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Originally Posted by Lightflyer1 View Post
They do.

Introducing our new B5 Syndiesel (R). This is the new spec fuel for the VW Jetta TDI Cup and it's available ONLY AT HYPERFUELS!!!

But at over $10 a gallon, I don't think anyone is going to be buying it as a primary fuel for their car.
$140/fillup vs $8000 for the system.
i'll take my chances.
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Old February 27th, 2012, 14:13   #2886
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Originally Posted by sudseh View Post
$140/fillup vs $8000 for the system.
i'll take my chances.
If only you could be sure that would save the pump.
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Old February 27th, 2012, 14:40   #2887
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Nobody is sure what will save the pump !!! Nobody is sure if this really is a problem beyond a few bad pumps ... All we know is the collateral damage is huge !
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Old February 27th, 2012, 15:03   #2888
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that's the problem. what could be a minor design issue is a freaking time bomb.
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Old February 27th, 2012, 16:01   #2889
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Excuse this question from a diesel noob , but if any other manufactures common rail HPFP were to fail are there provisions to prevent contaminants to the rail and injectors ? Everyone keeps saying poor design but how much does the flow path differ in our CR TDI's from any other non failing CR fuel system ?
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Old February 27th, 2012, 16:18   #2890
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I agree with DPM above where he posted that all the designs would spread the shrapnel thoughout the system. The design issue is covered in depth with the threads by dwiesel, eddif, and oilhammer covering the root cause of the failures. I think we've seen enough of these failures now to conclude that they aren't all caused by substandard lubricity. This leads me to conclude that the design itself is weak.
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Old February 27th, 2012, 18:07   #2891
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Quote:
Originally Posted by tditom View Post
I agree with DPM above where he posted that all the designs would spread the shrapnel thoughout the system. The design issue is covered in depth with the threads by dwiesel, eddif, and oilhammer covering the root cause of the failures. I think we've seen enough of these failures now to conclude that they aren't all caused by substandard lubricity. This leads me to conclude that the design itself is weak.
I agree with you. After all if the failures were only related to poor fuel, then we would all be on at least our second pump, maybe third or fourth.
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Old February 27th, 2012, 18:15   #2892
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HPFP FAQ
http://www.e90post.com/forums/showthread.php?t=333519
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Old February 27th, 2012, 18:21   #2893
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That is referring to gasoline HPFP failures. Primarily the 335i, if memory serves.
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Old February 27th, 2012, 18:25   #2894
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Quote:
Originally Posted by tditom View Post
That is referring to gasoline HPFP failures. Primarily the 335i, if memory serves.
I know, but all the defective pumps were made by Bosch. If you read toward the end of the post it appears BMW switched to Continental HPFP designs and was retrofitting failed pumps with the new Continental design.

VW appears to be following a similar tract with changing pump manufacturers at least according to the NHTSA inquires with some Blue Motion models. Have yet to see any retrofits from VW.

Last edited by darrelld; February 27th, 2012 at 18:30.
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Old February 28th, 2012, 05:53   #2895
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Then the question becomes, will VW replace all the Bosch pumps on a recall or only replace them under double secret warranty after one fails.
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