Engine Mechanical
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Contents
Exhaust Related
Oil Pan Muffler Mount
P/N 033251393
1.6na (CS)
1.9 (1Y)
1.9td (AAZ)
CCV Mod
The AAZ has poor CCV at 50deg, upgrading to a TDI CCv setup helps.
Clutched Alt Pulley
Gates 37010P
028903119AA
You'll need a tool/socket for this ebay search Bosch 8088 tool
1.9tdi (1z/AHU)
Headgasket
Sometimes you need to replace it with a new or unknown head.
If so this article on measuring piston protrusion
You'll need a tool/socket for this ebay search Bosch 8088 tool
1.9tdi (1z/AHU/ALH)
Everything under this category is the same/shared between the three engines such as accessory parts.
Clutched Alt Pulley
Gates 37010P
028903119AA
You'll need a tool/socket for this ebay search Bosch 8088 tool
Injector Nozzel Anatomy
Reference
The anatomy of the injector is pretty much the same between the three engines.
[https://www.myturbodiesel.com/d2/1000q/multi/nozzle-install-TDI.htm How to install replacement 1.9 TDI nozzles