How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask David Your Own Question

David
David, VW Master Technician
Category: VW
Satisfied Customers: 2364
Experience:  VW Master Technician Certified for 9 years, ASE Master Technician Certified
5856072
Type Your VW Question Here...
David is online now
A new question is answered every 9 seconds

2000 vw jetta: It has a top end noise..tapping sound

Resolved Question:

I have a 2000 vw jetta vr6 with 122k miles. It has a top end noise. It is a tapping sound. I am a dealer with an in house mechanic who has little experience with vw. For what it is worth someone locally has the opinion that the noise is 2 timing chain tensioner. Does that sound correct or is there something else common in this car?
Submitted: 6 years ago.
Category: VW
Expert:  David replied 6 years ago.
if you are hearing a rattling noise around 1200 rpms it is probally the intake runner in between chaning from long to short at which time it would be a normal noise. they tend to rattle between 1200 and 1600 rpms. If not please advise for further
David, VW Master Technician
Category: VW
Satisfied Customers: 2364
Experience: VW Master Technician Certified for 9 years, ASE Master Technician Certified
David and 4 other VW Specialists are ready to help you
Customer: replied 6 years ago.
I can still hear it ay higher rpms
Expert:  David replied 6 years ago.
Try to listen and see if it is coming from the intake, if it is and still rattling at higher RPMs then the intake is warped and the runner and intake would need to be replaced. But if the noise is coming from the back of the engine timing area, then it is possible the a chain tensioner is causing the noise. Normally this engine does not see many problems with the timing chain and do see more issues with the intake as it is plastic and can warp.
Customer: replied 6 years ago.
David I am going to go listen to try to see if the noise is coming from the intake or the timing area and I will get back to you shortly.
Thanks
Expert:  David replied 6 years ago.
Ok I will be leaving shortly, but will check the board when I get to the shop
Customer: replied 6 years ago.
David when we unplug the #5 plug the noise almost goes way
Expert:  David replied 6 years ago.

If that is the case you may have interal issue, removing the load from a rattle and knock would indicate a loose piston and or bearing.

 

Customer: replied 6 years ago.
Thanks David.
Any chance you think it could be a lifter or a cam shaft?
Expert:  David replied 6 years ago.
I dont see how a lifter would quiet down when removing the load, I have not seen too many mechanical problems with this motor, other then the intake making noise. Try this, on the left side of the intake near the battery you will find a vacuum valve that moves the runner, try holding the RPMs at 1200 - 1400 were you hear the rattle, then move the runner by hand or apply some presure to see if the noise changes.
Customer: replied 6 years ago.
David,
We tried that and it does not make any difference.
I appricate the extra effort on your part.
Expert:  David replied 6 years ago.
Thats cool, sorry I could not be of more help, let me know if there is any thing else you might need later.

Thank you for using Just Answer

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P Elm City, NC
< Last | Next >
  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P Elm City, NC
  • used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future. David L. Richmond, TX
  • 9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much. Phil Marysville, CA
  • Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible. Charles Walnut Creek, CA
  • As a single woman, I really appreciate an excellent and affordable opinion.
    Thank you Geordie, I will not hesitate to contact justanswer in the future!
    Sue Charleston, WV
  • Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff. Jim Castleberry, FL
  • Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help. Mary C. Freshfield, Liverpool, UK
 
 
 

Meet The Experts:

 
 
 
  • vwnewton

    VW Owner,ASE Master and L1 Advanced

    Satisfied Customers:

    307
    25 years of VW obsession turned into a job, last 15 years as a VW Tech.
< Last | Next >
  • http://ww2.justanswer.com/uploads/vwnewton/2008-12-27_221405_JA_avatar.jpg vwnewton's Avatar

    vwnewton

    VW Owner,ASE Master and L1 Advanced

    Satisfied Customers:

    307
    25 years of VW obsession turned into a job, last 15 years as a VW Tech.
  • http://ww2.justanswer.com/uploads/audidoc/2008-12-23_175252_headshot.jpg VWDoc's Avatar

    VWDoc

    Independent VW Shop owner

    Satisfied Customers:

    1713
    20 years of experience working with VW's. Independent European shop owner and technician.
  • http://ww2.justanswer.com/uploads/35/350matt/2012-6-7_182356_matsavatr.64x64.jpg Matt's Avatar

    Matt

    Engineer

    Satisfied Customers:

    506
    Mechanical Engineer with 20 years experience in the auto industry, 8 yrs in formula 1 engine testing
  • http://ww2.justanswer.com/uploads/CA/carbezerk/2011-3-13_103612_SAM0048.64x64.JPG Martin's Avatar

    Martin

    auto electrical

    Satisfied Customers:

    475
    South African Trade Diploma in Auto Electrical
  • http://ww2.justanswer.com/uploads/terocoga/2009-08-17_050126_015.JPG RobJackson's Avatar

    RobJackson

    VW Mechanic

    Satisfied Customers:

    416
    Started working in VW/Audi dealership in 1999. 2009 Registered and Certified VW Tech. ASE Master
  • http://ww2.justanswer.com/uploads/TI/tim37857/2011-10-28_23053_S6301814.64x64.JPG Tim's Auto Repair's Avatar

    Tim's Auto Repair

    mechanic

    Satisfied Customers:

    397
    Have owned a repair shop for 25 yrs.
  • http://ww2.justanswer.com/uploads/RO/rodcuda/2011-7-25_224114_Donhoff1.64x64.JPG Neal's Avatar

    Neal

    VW Mechanic

    Satisfied Customers:

    391
    Shop owner and experienced in most brands.
 
 
 
Chat Now With A VW Mechanic
David
David
Shop Foreman / Lead Technician
2140 Satisfied Customers
VW Master Technician Certified for 9 years, ASE Master Technician Certified