| Acura Engine >> ENGINE TICKING NOISE ON 3.2 & 3.5L ENGINES |
Engine Ticking Noise On
1999-2003 Acura 3.2 & 3.5L Engines
The AERA Technical Committee offers the following information regarding an engine ticking noise on 1999-2003 Acura 3.2& 3.5L engines. This noise occurs after the cylinder head has been removed for machining and reinstalled on the engine. The information contained in this bulletin applies to engines reassembled with original equipment head gaskets.
Inadvertently the incorrect cylinder head gaskets may have been installed on this engine. Some cylinder head gaskets were mispackaged with the incorrect cylinder bore diameter in the gasket. Instead of getting the correct 3.5040" (89 mm) bore gasket, gaskets with a 3.3858 (86 mm) bore were packaged for this engine.
The ticking noise that is heard is actually the pistons hitting the head gaskets as they approach top dead center (TDC). If the cylinder head gasket, as shown in Figure 1 below has a P8C stamped on it, the incorrect gasket was installed. The correct gasket should have the letters PGE stamped on it, Part #1255-PGE-A01.
Acura Part Numbers
Front Gasket Set Kit Part #06110-PGK-A11
Rear Gasket Set Kit Part #06120-PGK-A11
The AERA Technical Committee
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