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VW MKIII-A3/B4 TDIs This is a discussion about MKIII-A3/MkIII Jetta/Golf (<99.5) and B4 Passats (96,97) TDI's. Non TDI related postings will be moved or removed.

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Old May 26th, 2011, 13:32   #31
16vjohn
 
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Seems like a lot more work than just rebuilding the old pump... it's really not that hard to do.
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Old January 17th, 2012, 07:08   #32
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Quote:
Originally Posted by G60ING View Post
If I had an 11mm pump on a 1z/AHU I would drop down to 50k belt changes or switch to the wider belt setup.
I just want to note that the AHH belt is not wider, it has a different part number, same goes for the tensioner, but I cannot physically see a difference between the two.
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Old January 22nd, 2012, 13:52   #33
98tdi
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Doing this swap very soon to bring my 97 passat back from the dead!

Last edited by 98tdi; January 22nd, 2012 at 16:08.
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Old March 5th, 2012, 11:00   #34
burpod
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back from the dead... again i'm planning an 11mm pump on an ahu build. related question, can an 11mm alh pump head be installed on an ahu pump? or is there more to it than that? i could get a 11mm pump head for a good price, and have a good ahu ip core....
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Old July 21st, 2012, 15:16   #35
drejck
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""Fortunatly we have an AHH Passat in the USA with an enthusiast for an owner:
JFettig's Passat & pictures:""

IS THIS 11MM PUMP TOO??
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Old July 21st, 2012, 20:18   #36
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yup
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Old August 29th, 2012, 12:19   #37
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I have a really weird question I have a 1998 jetta ahu and rebuild the injection pump and the bottom of the quantity adj the part that slides into the sleve has like a ball end on it, has broke clean off I have a pump from a 2001 jetta ahl and I was wondering if i could just switch the quantity adjuster or be cheaper to machine the ahl pump to work
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Old August 29th, 2012, 15:07   #38
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Just like to add: Since i've done this mod. I've put about 80k or so on a used ALH pump without issue.
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Old August 29th, 2012, 17:07   #39
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How many miles on the ahu belt?
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Old September 18th, 2012, 23:08   #40
libbybapa
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Holy smoke, all you guys shimming the pump over are doing it the hard way. You just have to adjust the belt tracking by rotating the pump bracket. Sprocket down, lines up makes the belt track closer to the block.
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Old September 19th, 2012, 06:05   #41
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Here are some upgrade parts for those doing this swap

AHH timing belt tensioner
028109243K
028109243H - cross references with INA part number to be the same, but cheaper
INA 531 0524 30
CONTITECH V55736
Both VW part numbers are available at worldimpex

AHH timing belt
028109119AA
CONTITECH CT945
DAYCO 94941
GATES 5622XS
I have not found a US distributor for these, RyanP can source them.
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Old September 26th, 2013, 23:13   #42
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Quote:
Originally Posted by libbybapa View Post
Holy smoke, all you guys shimming the pump over are doing it the hard way. You just have to adjust the belt tracking by rotating the pump bracket. Sprocket down, lines up makes the belt track closer to the block.
Andrew Libby is right....no shim BS needed...My ALH Pump swap is washer/shim free...
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Old September 27th, 2013, 05:11   #43
burpod
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no shims for me either. went in with no issue at all. love it
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82 rabbit AHU 17/22 26psi ported head, 11mm pump, pp764s, franko6 cam, custom ce2 wired, vwmikel tuned
1998 jetta AHU 17/22 26psi pp764s etc
vwmikel tuned
88 scirocco
AHU 2056vl build... delayed...05 jetta tdi & 06 golf tdi
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Old September 27th, 2013, 12:52   #44
Abacus
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Quote:
Originally Posted by GTiTDi View Post
Andrew Libby is right....no shim BS needed...My ALH Pump swap is washer/shim free...
Seen any difference over the ribbed AHU pump?
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Old July 12th, 2016, 19:17   #45
Stevesdirtybunny
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Why not just use the alh pump and bracket instead of going threw the trouble of machining the old ahu bracket not sure if there the same or not but if someone knows it be great because I can get a 11mm alh pump off an automatic and the bracket if it bolts right up that would be great
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