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Oil Filter Bracket Choke plug - Missing
by
erice1984
on 02 Jan, 2012 10:57
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Hi guys, I am rebuilding an AAZ engine, and I have noticed that my oil filter housing/bracket does not have the "choke" part (refer to picture) in it. I don't recall removing this part while dissembling the engine. Is this a vital part? Also does anyone know what would happen if I didn't replace it?
Thanks
-Eric
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#1
by
theman53
on 02 Jan, 2012 12:47
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Good question, I just took apart an aaz and it didn't have anything in it either. Being that it is fine thread by the notes I wonder if "choke" means plug and it is for only some engines?
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#2
by
erice1984
on 02 Jan, 2012 13:33
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Good question, I just took apart an aaz and it didn't have anything in it either. Being that it is fine thread by the notes I wonder if "choke" means plug and it is for only some engines?
Possibly. It looks as if it would be hollow in the middle, Just a cylinder that narrows the passage "choking." Thereby reducing the volume of oil that can pass through.
Was the AAZ ever made non-turbo and still designated the "AAZ" engine code? My reason for asking this is that the passage that this "choke" affects is for the turbo oil feed. If there are non-turbo factory AAZ engines then the "choke" may very well be a plug, stopping the flow of oil through that passage (the turbo oil feed line)
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#3
by
theman53
on 02 Jan, 2012 14:42
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I think that there was. 2 of the aaz engines I have didn't have a turbo pump. You would have to ask the Canadians for sure, but I think they did come N/A.
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#4
by
erice1984
on 02 Jan, 2012 16:06
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What I just noticed on my oil filter bracket, I have part number 053115417A Which is the part number for ABA, ACC engines... So, what now?
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#5
by
burn_your_money
on 02 Jan, 2012 18:55
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I think you Americans with the industrial 1.9s would be better to answer the non turbo AAZs. In vehicles, the AAZ was never installed without a turbo in North America. I am pretty sure I have read about some 1.9s without turbos in industrial applications in the states but I don't know if they were marked as AAZs.
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#6
by
erice1984
on 02 Jan, 2012 19:07
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I think you Americans with the industrial 1.9s would be better to answer the non turbo AAZs. In vehicles, the AAZ was never installed without a turbo in North America. I am pretty sure I have read about some 1.9s without turbos in industrial applications in the states but I don't know if they were marked as AAZs.
In that case, I wouldn't expect them to be marked AAZ either. I just wonder if anyone else, with an AAZ, can verify what oil filter bracket their engine is running, I have money in this rebuild and don't want to chance trashing it.
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#7
by
J Z
on 02 Jan, 2012 19:38
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No such thing in my AAZ either
As a sidenote.. The only 1.9 industrial engines (In my list) have these markings
Code size KW/hp install notes
ADE 1.9 55/75 TD - Industrial
ADG 1.9 47/64 N/A - Industrial
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#8
by
Vitwagen
on 03 Jan, 2012 10:50
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I've had 2 AAZ and neither had the choke, but I did buy an oil filter housing from an AHU, and that DID have the choke in the turbo oil feed. It's wound deep into the feed passage in the housing.
It's essentially a large grub screw, with a 1.5mm (ish) hole through it to restrict flow to the turbo.
There was a 1.9NA in the UK, in Mk3 golfs - engine code 1y.
HTH
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#9
by
R.O.R-2.0
on 03 Jan, 2012 11:04
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yea, most of the engines ive seen with that restrictor, were TDI engines. doesnt a TDI filter flange fit on an AAZ?
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#10
by
Vitwagen
on 03 Jan, 2012 13:43
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yea, most of the engines ive seen with that restrictor, were TDI engines. doesnt a TDI filter flange fit on an AAZ?
Yes, but I couldn't say what car my AHU filter flange came from, as it's got the filter mounted at 45 degrees (which I needed to clear my engine mount) - I bought it off ebay.
I'll double check my old filter brackets, as one was from a late AAZ (UK).
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#11
by
R.O.R-2.0
on 04 Jan, 2012 11:00
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yea, most of the engines ive seen with that restrictor, were TDI engines. doesnt a TDI filter flange fit on an AAZ?
Yes, but I couldn't say what car my AHU filter flange came from, as it's got the filter mounted at 45 degrees (which I needed to clear my engine mount) - I bought it off ebay.
I'll double check my old filter brackets, as one was from a late AAZ (UK).
im gonna say a passat or something with a longitudinal engine..
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#12
by
Vitwagen
on 04 Jan, 2012 15:34
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yea, most of the engines ive seen with that restrictor, were TDI engines. doesnt a TDI filter flange fit on an AAZ?
Yes, but I couldn't say what car my AHU filter flange came from, as it's got the filter mounted at 45 degrees (which I needed to clear my engine mount) - I bought it off ebay.
I'll double check my old filter brackets, as one was from a late AAZ (UK).
im gonna say a passat or something with a longitudinal engine..
Passat is transverse - likely an audi TBH
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#13
by
R.O.R-2.0
on 04 Jan, 2012 19:39
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yea, most of the engines ive seen with that restrictor, were TDI engines. doesnt a TDI filter flange fit on an AAZ?
Yes, but I couldn't say what car my AHU filter flange came from, as it's got the filter mounted at 45 degrees (which I needed to clear my engine mount) - I bought it off ebay.
I'll double check my old filter brackets, as one was from a late AAZ (UK).
im gonna say a passat or something with a longitudinal engine..
Passat is transverse - likely an audi TBH
our passats are NOT transverse.. they have north-south engines.. just like a RWD car..
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#14
by
burn_your_money
on 04 Jan, 2012 19:44
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our passats are NOT transverse.. they have north-south engines.. just like a RWD car..
'Fraid not.
that's a 93 Passat