CTS V6-3.2L VIN N (2003)
1. Choose the correct camshaft to be installed.
Camshaft Identification
+
2.6L (LY9)
-
The intake camshaft is stamped with the letter "F" next to bearing 1.
-
The exhaust camshaft is stamped with the letter "N" next to bearing 1.
+
3.2L (LA3)
-
The intake camshaft is stamped with the letter "G" next to bearing 1.
-
The exhaust camshaft is stamped with the letter "J" next to bearing 1.
2. Lubricate the following with GM P/N 1052367 (Canadian P/N 992869), or equivalent:
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Camshaft bearing surfaces
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Camshaft lobes
Important: Ensure the pin on the exhaust camshaft is approximately in the 11 o'clock position and/or that the pin on the intake camshaft is
approximately in the 12 o'clock position to allow for minimal load on the camshaft when installing the bearing caps.
3. Install the camshafts to the cylinder head.
Important: DO NOT allow the sealer to get into the oil journal of the cap.
4. Apply a small amount of GM P/N 1052942 (Canadian P/N 10953466), or equivalent on the forward edge of the front bearing caps to ensure an
adequate seal between the bearing cap and the cylinder head.
