Posts by billymade
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First why was the maf replaced and what brand is it? We have found oem Bosch; is seemingly the only brand that works correctly.
If the car is running badly; the a/c and drivability issues could be interrelated?
A neglected 1.8T, may take some time, effort; to figure things out, untangle the mess and get things running right.
As to the surging problem; maybe take a video with your phone, post a video to youtube and post a link here? This way; we can see, what you are referring to snd be on the same page? Thanks.
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If the car is running badly; the a/c and drivability issues could be interrelated?
A neglected 1.8T, may take some time, effort; to figure things out, untangle the mess and get things running right.
As to the surging problem; maybe take a video with your phone, post a video to youtube and post a link here? This way; we can see, what you are referring to snd be on the same page? Thanks.
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19,648 Posts
Well, you are going to need a scan tool; to diagnose and repair your car correctly. Reading trouble codes is the first step and then, viewing live data will help confirm problems, bad parts and after repair changes.
We can discuss the purchase of a scan tool but for now, you can typically rent one at most auto parts stores.
As to the maf, that is a low cost aftermarket part and these have a long history if causing problems. If you have the old original oem vw/Bosch maf; you might clean it with some maf cleaner and reinstall it back on the car. These poor quality mafs, can make the car run horribly and in some cases, make it not drivable and go into limp mode.
Here is the maf cleaner; that i use, available at auto parts stores or Walmart:
CRC
MASS AIR FLOW SENSOR CLEANER, 11 WT OZ
Tell us, about the history of the maf trouble code and what it indicated, that meant a replacement was required.
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We can discuss the purchase of a scan tool but for now, you can typically rent one at most auto parts stores.
As to the maf, that is a low cost aftermarket part and these have a long history if causing problems. If you have the old original oem vw/Bosch maf; you might clean it with some maf cleaner and reinstall it back on the car. These poor quality mafs, can make the car run horribly and in some cases, make it not drivable and go into limp mode.
Here is the maf cleaner; that i use, available at auto parts stores or Walmart:
CRC
MASS AIR FLOW SENSOR CLEANER, 11 WT OZTell us, about the history of the maf trouble code and what it indicated, that meant a replacement was required.
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19,648 Posts
Well, the MAF is a big standout right now as a problem; a bad maf, can make the car run horribly and cause rich or lean codes, etc.
Do you still have the original maf(?); it maybe fine. You might clean it snd reinstall; see if the poor running problem goes away.
If you end up needing a new maf; stick with Bosch oem only, you can look up the right one here:
www.boschautoparts.com
Buy from a reputable company; as we seem to be seeing Bosch counterfeit parts from China from eBay and Amazon.
Lately, FCPEURO, has been a great VW parts supplier and they offer free shipping, lifetime warranty on everything they sell.
www.fcpeuro.com
As to the scan tool; a vw specific one would be ideal (VCDS, OBDEleven, “VAG” scanner etc).
For now, we need to read some basic info; like trouble codes and live data, for example the maf readings, fuel trim, etc. Any auto parts stores; should be able to rent you a scanner they can read codes and view live data.
If you want to purchase a VW specific scanner; let us know your budget and what you want to have, etc. The investment in a factory VW scanner; will save you money, enable you to diagnose things and complete repairs. Most VW shops and VW dealerships; are over $100 per hour labor rate and so, it doesn’t take much, to pay for the cost of the scan tool, then you have it for future repairs.
Do you still have the original maf(?); it maybe fine. You might clean it snd reinstall; see if the poor running problem goes away.
If you end up needing a new maf; stick with Bosch oem only, you can look up the right one here:
Home - Bosch Auto Parts - Liferay DXP
www.boschautoparts.com
Buy from a reputable company; as we seem to be seeing Bosch counterfeit parts from China from eBay and Amazon.
Lately, FCPEURO, has been a great VW parts supplier and they offer free shipping, lifetime warranty on everything they sell.
www.fcpeuro.com
As to the scan tool; a vw specific one would be ideal (VCDS, OBDEleven, “VAG” scanner etc).
For now, we need to read some basic info; like trouble codes and live data, for example the maf readings, fuel trim, etc. Any auto parts stores; should be able to rent you a scanner they can read codes and view live data.
If you want to purchase a VW specific scanner; let us know your budget and what you want to have, etc. The investment in a factory VW scanner; will save you money, enable you to diagnose things and complete repairs. Most VW shops and VW dealerships; are over $100 per hour labor rate and so, it doesn’t take much, to pay for the cost of the scan tool, then you have it for future repairs.
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19,648 Posts
Your MAF sensor, seems to be a bit of a oddball; I'm seeing this VW part # and cross reference with this Bosch MAF sensor but some discrepancies on the Bosch site, as to correct fitment:
VW Mass Air Flow Sensor - Genuine VW Audi 06A906461A
Bosch Mass Air Flow Sensors (63136)
www.boschautoparts.com
AutohausAZ has a good price:
www.autohausaz.com
Their description, includes this:
P/N: 63136 Bosch OEM
Description:
Please verify Bosch part number (0280218002) or VW number (06A906461A) on existing unit prior to ordering - some variations may exist due to VW factory changes. 1 per car.
Cross References:
Bosch Auto Part USA: Tech Support:
Phone: 888 715 3616
In North America
8AM - 5PM CST Mon-Fri
VW Mass Air Flow Sensor - Genuine VW Audi 06A906461A
06A906461A - Air mass sensor. AIR METER. Mass Air Flow Sensor - Genuine Volkswagen Part
Genuine Volkswagen Part # 06A906461A (06A-906-461-A) - Air mass sensor. AIR METER. Mass Air Flow Sensor. Fits Beetle, Golf, GTI, Jetta, Jetta Wagon
parts.vw.com
Bosch Mass Air Flow Sensors (63136)
Mass Air Flow Sensors (63136) - Mass Air Flow Sensors - Bosch Auto Parts - Liferay DXP
Bosch is an original equipment global leader in mass air flow technology. Bosch Mass Air Flow (MAF) sensors ensure low levels of harmful emissions with greater fuel efficiency and improved engine performance.
www.boschautoparts.com
AutohausAZ has a good price:
Bosch 63136, 0280218002 Mass Air Flow Sensor - VW | 06A906461A 0986280205 30020 W01331832620
Find Bosch, 0280218002 Mass Air Flow Sensor 63136 at discount prices in our extensive VW auto parts catalog. AutohausAZ offers a large selection of Bosch parts online. Please verify Bosch part number (0280218002) or VW number (06A906461A) on existing unit prior to ordering - some variations may...
www.autohausaz.com
Their description, includes this:
P/N: 63136 Bosch OEM
Description:
Please verify Bosch part number (0280218002) or VW number (06A906461A) on existing unit prior to ordering - some variations may exist due to VW factory changes. 1 per car.
Cross References:
- 0280218002
- 06A906461A
- 0986280205
- 30020
- W01331832620
Bosch Auto Part USA: Tech Support:
Phone: 888 715 3616
In North America
8AM - 5PM CST Mon-Fri
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19,648 Posts
On my 2002 new beetle turbo S; it had 120 amp Valeo original alternator; I bought a Bosch replacement at AutoZone and it worked out a bit of a tight fit compared to the Valeo but Bosch is OEM excellent quality no issues since then.
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Here is a hose i got from EuroJet Racing; its upgraded silicone and hasn’t failed yet.
More info and options here:
What is this Hose part #
I have a 2001 1.8T with only 89000 miles on it. My check engine light has been on with a faulty secondary air pump code for a long time. When replacing a faulty ignition coil the other day I noticed the hose in the attached picture he several tears. I am very suspicious that those are the reason...
www.newbeetle.org
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Since your upper pcv hose is bad; it is very possible, the lower hose, pcv and elbow are bad as well.
![]()
I just rebuilt my pcv system recently and this is what i did, since i already had the upper silicone hose.
Read more here:
www.newbeetle.org
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I just rebuilt my pcv system recently and this is what i did, since i already had the upper silicone hose.
Read more here:
Crankcase tube/hose
What would cause my crankcase tube to partially melt and break off? I just replaced it new 2.5yr ago. It was a cheapo china part I will admit. (6A103213F)
www.newbeetle.org
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19,648 Posts
Good work on the hose repair; you can upgrade later, when you have time.
There is allot of counterfeit and junk parts being sold on Amazon and eBay. That link, shows the alternator as a "parts player" brand; the photo, shows a raw pulley without the clutch, which would be wrong for your 1.8T.
As noted, I would stick with a genuine Bosch Alternator; looking on the Bosch parts site, they seem to list 70 AMP, 90 AMP and 120 AMP units, I would go with 120. Then, they offer brand new or reman; I think, mine may have been a reman, although I believe the warranty is the same but might be a bit less, for the reman?
As for sources for the parts; I would stick with a well known local auto parts store that is easy to work with or a online VW specialist. If you are under the gun; a local supplier, maybe the way to go and I got one from my local Autozone, I believe it was in stock or they got it the same or next day. Looking on the Autozone website; they have 20% off online coupons and other promotions going on. They have the Duralast, Bosch, Valuecraft and Valeo brands; looks like Bosch is middle of the road pricing. The alternator recommended on their site; seems to be related, to which type you had in your car originally (either Bosch, Hitachi or Valeo), then which one is recommended. For some reason Valeo is higher then Bosch; go figure, that is why I went with Bosch, when I replaced mine.
There is allot of counterfeit and junk parts being sold on Amazon and eBay. That link, shows the alternator as a "parts player" brand; the photo, shows a raw pulley without the clutch, which would be wrong for your 1.8T.
As noted, I would stick with a genuine Bosch Alternator; looking on the Bosch parts site, they seem to list 70 AMP, 90 AMP and 120 AMP units, I would go with 120. Then, they offer brand new or reman; I think, mine may have been a reman, although I believe the warranty is the same but might be a bit less, for the reman?
As for sources for the parts; I would stick with a well known local auto parts store that is easy to work with or a online VW specialist. If you are under the gun; a local supplier, maybe the way to go and I got one from my local Autozone, I believe it was in stock or they got it the same or next day. Looking on the Autozone website; they have 20% off online coupons and other promotions going on. They have the Duralast, Bosch, Valuecraft and Valeo brands; looks like Bosch is middle of the road pricing. The alternator recommended on their site; seems to be related, to which type you had in your car originally (either Bosch, Hitachi or Valeo), then which one is recommended. For some reason Valeo is higher then Bosch; go figure, that is why I went with Bosch, when I replaced mine.
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19,648 Posts
AutohausAZ, has some great prices with a current sale going on but it would take longer to show up? NOTE: as far as I know; ALL the 1.8T New Beetle's; had the clutch pulley on their alternators.
www.autohausaz.com
Looking at the sticker on your old alternator; might help you cross reference which one, you currently have.
2000 VW Beetle Alternator | AutohausAZ
www.autohausaz.com
Looking at the sticker on your old alternator; might help you cross reference which one, you currently have.
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19,648 Posts
Hmm, well that is the cheapest one they sell AND it DOESN"T have the clutch pulley with it. That would be a extra cost on top of the cost of the alternator; then, I don't know, if that is the right one anyway. The extra pulley cost; could push you into the price of a oem Bosch brand territory?
Did you look at your old one and use your phone; to take a picture of the sticker and part #? That would help you decide; which one, is installed and hopefully, confirm, which would be the stock alternator.
Most of the time, the Bosch alternators; are in stock in the warehouse or at another location, which they can get for you, same or next day? Once you figure out, which is the right one you need; you may need to call and figure out, stock status, etc.
Defintiely, use the online coupons and other promotions; to save some dough!
Take a photo of your alternator/sticker/part # and that can help you figure out, identify specifically, which one you need.
Did you look at your old one and use your phone; to take a picture of the sticker and part #? That would help you decide; which one, is installed and hopefully, confirm, which would be the stock alternator.
Most of the time, the Bosch alternators; are in stock in the warehouse or at another location, which they can get for you, same or next day? Once you figure out, which is the right one you need; you may need to call and figure out, stock status, etc.
Defintiely, use the online coupons and other promotions; to save some dough!
Take a photo of your alternator/sticker/part # and that can help you figure out, identify specifically, which one you need.
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19,648 Posts
Any other stickers or part #'s; anywhere else on the alternator? Now, that you know you have a Bosch; you could figure out, what you need and if you can find more part #'s, then id it specifically, the AMP rating, etc.
If you look at the reviews on the Duralast alternator; failures, seem high and they don't last. Because, replacing the alternator; does take some work, I would invest in a high quality unit and that way, you aren't spending your time, swapping out alternators all the time, possibly leaving you stranded somewhere, needing a tow, etc. Cheap alternators, typically end up being false economic choices; ending up, costing you more money in the long run, brain damage, hassles and making your car down, needing repairs once again.
OEM Bosch, is a solid choice; I have had my new Bosch alternator, installed on my daily driven New Beetle 1.8T, for years and have had NO issues with it at all, quality parts, make a difference.
If you look at the reviews on the Duralast alternator; failures, seem high and they don't last. Because, replacing the alternator; does take some work, I would invest in a high quality unit and that way, you aren't spending your time, swapping out alternators all the time, possibly leaving you stranded somewhere, needing a tow, etc. Cheap alternators, typically end up being false economic choices; ending up, costing you more money in the long run, brain damage, hassles and making your car down, needing repairs once again.
OEM Bosch, is a solid choice; I have had my new Bosch alternator, installed on my daily driven New Beetle 1.8T, for years and have had NO issues with it at all, quality parts, make a difference.
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