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TDI 101 Got a simple/basic TDI question? Are you a newbie (new to the forums). Feel free to post your question here.

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Old September 14th, 2009, 07:10   #1
NB_TDi
 
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Default How-To: Hammer Mod w/Pics & Cake!

First I'm not trying to steal anyone's thunder. I did NOT come up with this. I simply performed it twice myself so I took pictures this time and figured I'd share the information I gathered with everyone. Pictures help me with mods, so hopefully they can help you.

First steps before you get started...

Tools
Hammer, Mallet...whichever
T30 Torx Bit 3/8 Drive is best
3" Extension
Obviously the wrench
Sharpie or other marker
VCDS a MUST.

Step one; Ensure via VCDS that your IQ isn't adjusted software wise. If it is reset it back to the 'stock' value.
To check this; connect VCDS to your running car and head into the engine controller. Click the 'Login' button and enter '12233'. Then hit the 'Adaptation' Button. Enter channel '01'. Now you can actually see your IQ and it's value. If it says '32768 then it's fine to procede. If it's a different value set it back to '32768' click 'test' then click 'save'.

Step two; Warm up the car, take 'er for a spin you want your IQ to be where it's normally at when you are all warmed up. This is important.

Step three; Remove your engine cover, if you have one. Find your Injector Pump. Then locate the three T3 bolts we will be dealing with.



Step four; Take your Sharpie and mark a line on each bolt so you know how far you've turned it. Trust me this is a good idea. Then mark where your pump is currently sitting.



Step five; Take your T30 bit and start working off the bolts. You only need 1/2 turn, that's 180 Degrees. They are PLENTY loose by this time. So no further!



Step six; Take your hammer, mallet, block of cheese or whatever you got and strike the top portion of the pump. Don't wack the crap out of it, it's not a nail. You aren't building a deck! Simply watch the mark you made of the position to see how far it moves. Once it starts to move, one or two wacks. STOP tighten the bolts back to their position and check your IQ via VCDS again. You want to get it around ~3-5.



Step seven; If required repeat. Just remember don't beat the living hell out of it. It took me two wacks to get it moving. One to free it one to move it. It moved literally a hair's width. Brought my IQ from 0.8 to 4.2!


Comments, suggestions and pokes are welcome. Oh and the cake was a lie. Portal fans will get that.
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Last edited by NB_TDi; September 19th, 2009 at 07:28.
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Old September 14th, 2009, 07:15   #2
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if you are good you can have the car running with VCDS displaying the IQ reading while you whack it. (not hard!) that takes the guesswork out of it

if you loosen the bolt too much, it squirts you with fuel... tighten it a little.

altho pay attention as you tighten the bolts, the IQ value may change...

it would also be a good idea to get the special bit from metalnerd to loosen the 4th bolt, makes the job much easier.

Good How to BTW
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Old September 14th, 2009, 07:18   #3
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Great information Aaron. I was tempted to do it this time with the engine running, but with my luck I'd spray fuel everywhere. I'd imagine it would be easier since you could hear the change too.

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Old September 18th, 2009, 15:49   #4
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It worked!! Cars runs smooth as butter now! This should be a sticky!
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Old September 18th, 2009, 17:40   #5
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I don't own a TDI with VE-IP. Can you tell me what's the purpose of this mods? The reason I ask is that I'm in the market of replacing my '95 Passat VR6 with either an '03 Golf GLS TDI 5-spd or an '04 Jetta Sport TDI-PD 5-spd
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Last edited by T_D_I_POWER; September 18th, 2009 at 17:50.
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Old September 18th, 2009, 18:05   #6
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Quote:
Step one; Ensure via VCDS that your IQ isn't adjusted software wise. If it is reset it back.
How about an edit to clarify these:
What's the VCDS data field that should be looked at and what would be limits on the values in it?
What is a "normal" value and what is the value of one that is "adjusted software wise"?
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Old September 18th, 2009, 18:18   #7
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Quote:
Originally Posted by NB_TDi
the cake was a lie.


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Old September 19th, 2009, 07:29   #8
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Quote:
Originally Posted by Lug_Nut
How about an edit to clarify these:
What's the VCDS data field that should be looked at and what would be limits on the values in it?
What is a "normal" value and what is the value of one that is "adjusted software wise"?
Done.

I'd love for this to be a sticky. It's hard to find the information required for this all in one thread. Hopefully I did that. Mmmm this cake is good.
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Old September 19th, 2009, 14:45   #9
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Here's a picture I made a while back that consolidates most of the procedure.

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Old September 19th, 2009, 16:54   #10
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Good writeup! Here are some my notes with some VCDS screenshots too. http://www.myturbodiesel.com/1000q_h...thammermod.htm

whoops, you're right I'll change it now.

Last edited by chittychittybangbang; September 19th, 2009 at 17:33.
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Old September 19th, 2009, 17:05   #11
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Quote:
Originally Posted by chittychittybangbang
Good writeup! Here are some my notes with some VCDS screenshots too. http://www.myturbodiesel.com/1000q_h...thammermod.htm
I like your write up too, although you put the bit as T20, it's actually T30.
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Old September 25th, 2009, 18:50   #12
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Nice write-up/consolidation NB.
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Old September 26th, 2009, 15:50   #13
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Quote:
Originally Posted by Lug_Nut
How about an edit to clarify these:
What's the VCDS data field that should be looked at and what would be limits on the values in it?
What is a "normal" value and what is the value of one that is "adjusted software wise"?
I hate to seem like the dummy, but I don't think I saw an answer to this question. Did I miss something??
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Old October 5th, 2009, 07:49   #14
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Quote:
Originally Posted by Matthew_S
Here's a picture I made a while back that consolidates most of the procedure.

Thanks got it. Btw how did you attach the text & arrow symbols?
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Old October 5th, 2009, 11:09   #15
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Quote:
Originally Posted by T_D_I_POWER
Thanks got it. Btw how did you attach the text & arrow symbols?
MS Picture It Digital Image Pro, IIRC. I'm sure you could do it with any photo editing software.
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