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I need to replace the alternator on a 2001 VW Pasaat

I need instructions to replace the alternator for a 2001 VW Passat

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  • Cars & Trucks Master
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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

WildBill49
  • 97 Answers

SOURCE: check engine light is on

The check engine light coming on indicates that a "trouble code" has been set by the onboard computer and is stored in it's memory. There is a wide range of possible causes, such as bad sensor(s), wiring faults, leaking or disconnected vacuum line(s), out of acceptible range engine environmental variables... Some manufacturers even program the light to come when the maintenance schedule calls for service! (a clever ploy!)
The good news is that most of the larger auto parts stores now offer free computer diagnostic scans, where they can read the trouble code and reset/clear the check engine light. Some causes are a LOT more serious than others, so act accordingly on the indicated problem... and some causes are merely "glitches" in the system when there really is nothing wrong!
Hope this is helpful, and good luck with the Passat... nice car!

Posted on Jun 03, 2008

  • 2 Answers

SOURCE: 1997 VW Passat trouble code

Hi ejj509,

Both my 97 Passat and my wife's 99 Passat were throwing the same OBD codes you listed.

Both VW's had the same problem. There is no "quick" solution for the problem. I can tell you what I found, what I had to do and how I repaired both vehicles so they no longer throw this OBD error code.

I removed the black plastivc AIR pump and found that three of the six aluminum rivets which hold the AIR pump impeller housing together had rotted off so the case was leaking air. I went to a hardware store with one of the aluminum rivets I had removed from the AIR pump and bought six brass machine screws and brass nuts. I gouged the aluminum rivets out and replaced them with the brass machine screws.

After I had replaced the AIR pump in the VW, I cleared the codes and ran the diagnostics again.
It still threw the same codes!!!

Next, I removed the plastic top engine cover from the VW engine (VR6) and located the many air solenoids hidden under the cover. I went to a local NAPA shop and purchased an eight foot length of their smallest gauge neoprene gas line (1/8 inch ID).

I carefully removed each piece of rotted VW vacuum line from the air solenoids and replaced each rotted section with lengths of the new neoprene gas line. I had to follow out each of the old vacuum lines and replace them because they were badly deteriorated. This took about five hours to accomplish.

I replaced the plastic engine cover and connected up my cable from my laptop to the VW's computer port, cleared all of the codes and ran a new scan. This time the scan was clear! Woo Hoo! Apparently, the problem was both the leaking AIR pump and faulty, deteriorated (cheap) Volkswagen vacuum lines.

It was well worth the effort. My driveway has now become a bonafied VW repair shoppe.



Posted on May 16, 2009

  • 144 Answers

SOURCE: Where is the camshaft position sensor located in a 2001 VW Passat

when you are looking at the engine pull off the plastic cover on top then the front cover that covers you timing belt there is a wire harness tha goes right to it in the left upper coner two ten mil bolts and it comes off careful not to drop bolts down in belt that could be bad. it is that easy

Posted on Sep 01, 2009

  • 14036 Answers

SOURCE: how do you remove/replace alternator on 2003 VW

LET VOLKSWAGEN DEALERSHIP FIX IT.BECAUSE ONCE YOU DISCONNECT THE NEGATIVE BATTERY CABLE.YOUR PCM WILL LOSE IT MEMORY CAUSING NO START PROBLEMS.IT TAKES A SPECIAL SCANNER TO REPROGRAM CAR.

Posted on Oct 03, 2009

  • 632 Answers

SOURCE: 2001 passat fuse box diagram

It would be easier if you mention what device you're working with and I can tell you what number location it's fuse is at. Symbols are only there to confuse the hell out of you, although it's true purpose is to be recognized as a global standard. Now if you want to make it easier for yourself, buying a Bentley's repair manual is the only way to go. I hate to tell you that there are no free manuals you can down load, it cost money and someones time to upload a manual just to share it freely on the net.

Posted on Jul 24, 2010

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Check engine light is on


The check engine light coming on indicates that a "trouble code" has been set by the onboard computer and is stored in it's memory. There is a wide range of possible causes, such as bad sensor(s), wiring faults, leaking or disconnected vacuum line(s), out of acceptible range engine environmental variables... Some manufacturers even program the light to come when the maintenance schedule calls for service! (a clever ploy!)
The good news is that most of the larger auto parts stores now offer free computer diagnostic scans, where they can read the trouble code and reset/clear the check engine light. Some causes are a LOT more serious than others, so act accordingly on the indicated problem... and some causes are merely "glitches" in the system when there really is nothing wrong!
Hope this is helpful, and good luck with the Passat... nice car!

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