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Discussion Starter #1
I am going to be buying a 98 TDI beetle from a buddy of mine who bought it just to sell(Hes a high school auto shop teacher) . The car has 96K miles on it and is a 5 speed.

When he go the car it had a hard time starting. (Long crank before starting) He is rebuilding some type of pump to fix the problem. He is cleaning the intake because it is really clogged with carbon. The A/C, Radio and wipers dont work.

I am buying the car just as a daily driver because i have a long drive to work.

I am paying $2,000 for the car.

question 1: Is that a fair deal for the car?

Question 2: Is there anything else i should be looking for that cold be wrong? Is there any know problems with these?


Thanks for your input!
 

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Peace Love & T.o.D.
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That is a bargain that I and a lot of other people would kill for. Maybe not kill, that's pretty harsh. But I might do some back stabbin.
But it. Drive it. Love it!
 

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5/23/10 <3
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Is he rebuilding the injection pump? If he is, I'd be wary of that. IPs are not the easiest to mess with. Not sure why he's rebuilding it though. At 96k, that shouldn't be the problem. Not sure if he's really done the proper troubleshooting. But that really depends.

$2k is an awesome deal though. TDIs are usually quite pricey. But I'd make sure the timing belt has been done. If not, that needs done ASAP.
 

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Discussion Starter #4
I know he he did a lot of research to see what the problem is. He said its the Quality Adjuster in the injection pump. Does that make sense?

How difficult/expensive is the timing belt to change?
 

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Sounds like a deal to me. Just had the timing belt done in my '06, my dealer said the timing belt in a 2.0 gas engine is a 40 minute job (i've done two) the tdi requires their expert mechanic and a lot more time.
 

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5/23/10 <3
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I know he he did a lot of research to see what the problem is. He said its the Quality Adjuster in the injection pump. Does that make sense?

How difficult/expensive is the timing belt to change?
Depends on the code(s) being thrown and what he's done to troubleshoot as to if the QA is the problem. TDIClub has a lot of info on it.

As for the timing belt, there are some really good DIYs out there, but you have to have the correct tools, as well as VAG-COM to do it. TDIclub has a list of trusted mechanics, which are great people who know the cars and engines well and can do the job no problem. Parts run around $300 or so. You can pay around $700 or so total for the whole job.
 

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Discussion Starter #7
Depends on the code(s) being thrown and what he's done to troubleshoot as to if the QA is the problem. TDIClub has a lot of info on it.

As for the timing belt, there are some really good DIYs out there, but you have to have the correct tools, as well as VAG-COM to do it. TDIclub has a list of trusted mechanics, which are great people who know the cars and engines well and can do the job no problem. Parts run around $300 or so. You can pay around $700 or so total for the whole job.
When is the timing belt recommended to be changed?
 

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5/23/10 <3
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Should have been done at 60k. Depends on what belt was on put on (if it was done then) as to the interval then. Also depends on when, as in time. Belt should be done every 6 years. Its likely due no matter what.
 

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When he go the car it had a hard time starting. (Long crank before starting)
This can be due to something as simple as a battery not up to snuff for a diesel, or a glow plug issue. It could be an injection pump issue as well....

He is rebuilding some type of pump to fix the problem.
... um.. does he know what he is doing... taking it apart and putting it together VS knowing how to take it apart and put it back together are 2 different things.

He is cleaning the intake because it is really clogged with carbon.
Yep, they will do that. If he is doing it now, saves you having to deal with it next week.

The A/C, Radio and wipers dont work.
Remove the steering column trim pieces, I dare say you will find a rather hot/melted wire at the ignition switch. The terminal housing will most likely be messed up as well. New terminal housing, electrical part of the ignition switch and a wiring harness repair terminals with butt connector.... no soldiering allowed on the wiring harness.


question 1: Is that a fair deal for the car?
Maybe... maybe not. Is the car in good condition, or does it look like some 17 year old girl ran over curbs all the time with it? Do you feel like it is a fair deal?


Question 2: Is there anything else i should be looking for that cold be wrong? Is there any know problems with these?
I'd hope that with the injection pump off, he is going ahead and doing a complete timing belt job with updated parts (100K timing belt instead of the original 60K belt). With VWs, if you don't know how old the timing belt is, you replace the timing belt ASAP!
 

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Discussion Starter #10
He knows what he is doing. Like I said, hes a auto teacher at a high school. He did a lot of research and he diagnosed it as the Quality Adjuster in the injection pump and he doesn't have to remove to it to fit it. Now im not sure if that right but he said it will start and run fine when I get it. I am going to inspect the timing belt when i get it. He is still working on the car so it might be another week or so.
 

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5/23/10 <3
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Just because he's an auto teacher doesn't mean he knows what he's doing. TDIs are a different animal. There is a reason that there is a list of specific TDI specialist mechanics. If he is working on the injection pump, and even to do the proper diagnostics on the car, he needs VAG-COM, which I doubt he has. I'm still skeptical.
 

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Discussion Starter #12
I know what you mean. He is a big cummins guy and also has a new jetta tdi. So hes not new to diesel motors. He has a Genesis scanner. The only major difference is the genesis cant do reprogramming.
 

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Does it also allow you to check measuring blocks, etc? That is a big part of VAG-COM. Can it also allow you to check the IP timing on the TDI? If not, then its not the right tool. If he is messing with the IP, checking timing of it will be important after.
 

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Discussion Starter #14
Does it also allow you to check measuring blocks, etc? That is a big part of VAG-COM. Can it also allow you to check the IP timing on the TDI? If not, then its not the right tool. If he is messing with the IP, checking timing of it will be important after.
Yeah im not to sure... Do you recommend that I purchase the program and cable or should i just take it somewhere? This will be my first TDI so im a little ignorant on how they exactly work. I have messed with gas motor tuning.
 

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Discussion Starter #15
Does it also allow you to check measuring blocks, etc? That is a big part of VAG-COM. Can it also allow you to check the IP timing on the TDI? If not, then its not the right tool. If he is messing with the IP, checking timing of it will be important after.
If there isnt a check engine light on, is it worth getting? Also, is the IP timing done with the vcds or is it manually done and just checked with the vcds?

Thanks!
 

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Read up on VAG-COM/VCDS here: Ross-Tech: Home

Its way more than just a reader for when your CEL comes on. It clears codes, allows you to monitor measuring blocks, check IP timing and IQ (injection quantity), etc. Its a very powerful tool and if you are going to be doing your own work, its a good tool to have.

And yes, you do change IP timing mechanically, but you need VCDS to check it. You can also make slight changes in timing with VCDS I believe. IQ is another important value that once again, you do change manually but you have no clue what the actual value is without VCDS. IP timing and IQ are very important for proper running on a TDI.
 

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Discussion Starter #17
Read up on VAG-COM/VCDS here: Ross-Tech: Home

Its way more than just a reader for when your CEL comes on. It clears codes, allows you to monitor measuring blocks, check IP timing and IQ (injection quantity), etc. Its a very powerful tool and if you are going to be doing your own work, its a good tool to have.

And yes, you do change IP timing mechanically, but you need VCDS to check it. You can also make slight changes in timing with VCDS I believe. IQ is another important value that once again, you do change manually but you have no clue what the actual value is without VCDS. IP timing and IQ are very important for proper running on a TDI.
Ok great. Thanks for all the info! Greatly appreciated!
 

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Sounds like an awesome deal! I bought a 99 beetle (tdi) 3 years ago for $4500 with 100k miles. So far I've put 54k miles on it and have not had any major issues. Just done some normal maintenance. Mine has been a slow starter as long as I've owned it .. It just cranks a little longer but never seems week, and has always started. It's starting to sound clunky in the rear and I think it's due to worn rear axle bushings. But the car is a tough little car and I love it. I average 42 mpg city/hwy mixed and I drive 80mpg for half my commute to work, 120 miles a day... I've seen 50+ on Long trips. You'll not regret your purchase I promise. You may have quirks with the door switch/ power locks , but if you learn to deal with it or fix little probs yourself, you'll have no probs. good luck!
 
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