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  #1  
Old 12-06-2009, 11:52 PM
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Default Auxiliary water pump

I took my '01 2.8 A6 Audi in to a local indy to see if they could tell me whether or not the the TB and water pump have been done. They couldn't, however there are no stickers indicating that it has but the belt doesn't look that bad or really old they said. However they did tell me that I have a leaky auxiliary water pump and that it's gonna be about $600 for that. And I have a worn tie rod, which is gonna be about $250 w/alignment. My question is, how big of a job is it to replace the aux pump? I'm a somewhat capable novice wrench. Also, are the tie-rods a pain on an Audi? Thanks in advance!
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Old 12-07-2009, 04:13 PM
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Its not a big job. You can do it yourself.
Tie rods are very easy. I would recomend replacing both tie rod ends. Since you will need alignment after that it will be cheaper in long run.

You can save around $500 if you do it yourself.

There are 2 pumps depending on your vin number.
So check here depending on one you need.

UP to VIN 3B-1-050,001 split is in the 2001 model year

From VIN 3B-1-050,001 split is in the 2001 model year

Here are upgraded Heavy Duty TRE
HD TRE
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Last edited by kingofnyc22; 12-07-2009 at 04:19 PM.
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Old 12-08-2009, 01:11 AM
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Hey, thanks for the help! Would you happen to know of any good write ups on how to do either? I still need to track down a repair manual before I get into any projects.
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Old 12-08-2009, 08:25 AM
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Is the worn tie rod end an INNER or OUTER? Outers are easy. Inners less so. Make sure you replace the right one otherwise you will be wasting your time and money.

Bob
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Old 12-19-2009, 10:26 PM
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It's the outer. We tried to swap it tonight and can't figure out how to get the bolt with the 5/8" nut off. It has a what appears to be a screwdriver slot in the front, but we couldn't get it to budge. Even after tons of penetrating oil and some "tap" of a sledge... Any thoughts? Thanks!
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Old 12-20-2009, 07:39 AM
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Heat and lots of it. It will smoke as the grease and rubber boot cook so do it outdoors. Use a cold chisel in the slot to expand the holes. Be careful not to melt the aluminum upright. Remove the pinch bolt first, then loosen the top bolt and tap on it to get the tie rod end moving downwards. Repeat until the bolt is all the way out. Then whack the tie rod to get it all the way out.

BTW, if your indy mechanic wanted $250 to replace just an outer tie rod end, you need to find another mechanic. Book time for replacing it is .3 hours. An alignment should cost $75, the part $75 at the very most, leaving $100 labor for .3 hours, which comes to$333.33 per hour labor rate.

Bob
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Old 12-20-2009, 11:45 AM
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The 2.8L engine doesn't have an auxillary water pump, only the 2.7T does under the intake manifold. The mechanic doesn't know his *** from a hole in the ground, or he is trying to set you up for a major repair. Find a different mechanic.
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Old 12-20-2009, 12:16 PM
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By the way, Blauparts has a full tie rod assembly for $ 90. The outer end is $ 26 (Ocap), or $ 41 (Meyle-full metal).
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Old 02-06-2012, 06:46 PM
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Hi I have a 2001 A6 2.7T and I need to get the auxilary water pump replaced. The tech is telling me this is in an entirely different area than the timing belt so the timing belt would be a separate job. What do you estimate the labor hours to be on this job? What is a fair price for this repair? Also, while they are in there replacing this pump are there any other parts I should have them replace that do not require much extra labor? Any advice or suggestions you have would be highly appreciated. Thanks!
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Old 02-07-2012, 08:00 PM
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Quote:
Originally Posted by JJAudi View Post
Hi I have a 2001 A6 2.7T and I need to get the auxilary water pump replaced. The tech is telling me this is in an entirely different area than the timing belt so the timing belt would be a separate job.
That is correct. The aux water pump is under the intake manifold. Timing system would be a separate job as it's on the front of the engine.

Quote:
What do you estimate the labor hours to be on this job? What is a fair price for this repair? Also, while they are in there replacing this pump are there any other parts I should have them replace that do not require much extra labor? Any advice or suggestions you have would be highly appreciated. Thanks!
We did an aux pump delete on a friend's S4 last summer. The old pump was shot, so we removed it and put in a section of heater hose to replace it. He knows to drive out of boost the last few miles and to let the car idle once he stops, so that excess heat is bled away. Doing this religiously, you don't have to have the aux pump.

Where do you live? You may find an experienced forum member in your area who can tackle the job for less.

It took us a few hours to do the job as it was our first time doing that. I'd think a mechanic with experience could do it in 2 hours or so. I'd figure 3-4 hours quoted though, and budget accordingly. You could probably have some vacuum lines replaced and throw a new set of intake manifold gaskets on when it's reassembled, but there's not a whole lot else that would HAVE to be done during this, and not much that you couldn't replace at another time without too much trouble.
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  #11  
Old 02-08-2012, 12:42 PM
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Default Re: Auxillary Pump

Thanks a lot. I'm in the Chicago area. NW Suburbs. If anyone in the area could do the job for a good price that would be much appreciated.
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  #12  
Old 02-11-2012, 11:49 PM
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Default 2.8 Aux. Water Pump

My 2.8 has an auxiliary water pump, or at least something that looks just like the auxiliary water pump listed for it on partsgeek. I know because I just had to replace one of the crazy German dogleg, offset, two-different-diameters-in-the-same-hose water lines that are attached to it. I have no idea what it does, but it's there.
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Old 02-12-2012, 07:19 AM
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Link or pics? Maybe we can clarify what you're seeing.
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  #14  
Old 02-12-2012, 08:54 AM
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Default Aux Water Pump

Here are some shots of what looks like an auxiliary water pump. You caught me at a good time since I just did the timing belt and cam/crank seals yesterday and I haven't put the front of the car back on yet.
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Auxiliary water pump-img_0103.jpg   Auxiliary water pump-img_0104.jpg   Auxiliary water pump-img_0106.jpg   Auxiliary water pump-img_0105.jpg  
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1999 A6 2.8 Quattro Avant Auto - 368K miles
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1997 VW Jetta GLX, VR6, 5 spd - 235K miles
1994 Dodge Dakota SLT 4x4 - 355K miles
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Old 02-12-2012, 01:43 PM
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I think you're referring to the secondary air pump. That's an emissions device for cold-start. Nothing to do with coolant.
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  #16  
Old 02-12-2012, 05:28 PM
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I might believe you, but when I replaced the lower hose that attaches to this mystery pump, a very large coolant leak stopped. I'm not saying that couldn't have been a coincidence, but I just crawled under the car again and that same hose connects to a steel line that runs across the front of the oil pan area and then sweeps upward, connecting through another piece of rubber hose to the coolant reservoir. It's too bad it's not actually an air pump, because an air leak of similar proportions to my coolant leak would have been far easier to ignore for a little while.

Unfortunately, the fact that it's a coolant pump still doesn't explain its reason for existing. I know there are plenty of other vehicles out there that are perfectly happy with just one water pump.
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1999 A6 2.8 Quattro Avant Auto - 368K miles
1998 A6 2.8 Quattro Sedan Auto - 135K miles
1997 VW Jetta GLX, VR6, 5 spd - 235K miles
1994 Dodge Dakota SLT 4x4 - 355K miles
1989 Mustang LX 5.0 GT-40 - 132K miles
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  #17  
Old 02-21-2012, 04:25 AM
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It is a simple job to replace the Aux water pump and because i know the engine well now, it only takes an hour to replace.
I ended up searching the Bosch part # when i had the pump in hand and found it much cheaper and got the replacement for less than $80 which beats the $200+ that most places will ask.
Do some homework on the net first.

KIWI
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  #18  
Old 05-01-2013, 11:02 PM
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Quote:
Originally Posted by auditech79 View Post
The 2.8L engine doesn't have an auxillary water pump, only the 2.7T does under the intake manifold. The mechanic doesn't know his *** from a hole in the ground, or he is trying to set you up for a major repair. Find a different mechanic.
I have a 98 A6 2.8. I have the evidence of this pump going bad. i'm half way through taking off the intake manifold (a lot easier said than done).

I ordered the pump, and now I think ordered the wrong one.

Can anyone confirm whether or not mine actually has this pump before I finish taking this manifold off?
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  #19  
Old 05-02-2013, 05:41 PM
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I figured out, mine does not have an auxiliary pump.

My leak was caused by a hose that blew off because the hose clamp was loose.
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  #20  
Old 11-10-2013, 06:27 PM
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Quote:
Originally Posted by K_I_W_I View Post
It is a simple job to replace the Aux water pump and because i know the engine well now, it only takes an hour to replace.
I ended up searching the Bosch part # when i had the pump in hand and found it much cheaper and got the replacement for less than $80 which beats the $200+ that most places will ask.
Do some homework on the net first.

KIWI
simple on a 2.8?

please share your secret how you change this in an hour.
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