1995 Pontiac Trans Am harmonic balancer position

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It does matter where you place the damper.

CRANKSHAFT BALANCER AND HUB

Fig. 10 Crankshaft Damper & Hub Replacement

TOOL REQUIRED: J 39046 Crankshaft Hub Remover/Installer

REMOVE OR DISCONNECT

Raise and suitably support vehicle.
Serpentine drive belt.
Balancer bolts/screws and balancer assembly.
Match-marks crankshaft hub to engine front cover assembly.
Do not crank engine over after match-marking crankshaft hub and engine front cover assembly. Rotating crankshaft assembly will misalign installation of balancer assembly to crankshaft assembly possibly resulting in engine imbalance.
Crankshaft hub bolt/screw and washer.
Crankshaft hub using J 39046.
NOTE: The crankshaft hub can be installed by a different procedure if the engine should accidentally be cranked over after match-marking the hub and engine front cover assembly.

Set number 1 piston assembly to top dead center.
Install crankshaft hub with cast arrow on hub in the 12 o'clock position.
INSTALL OR CONNECT

Crankshaft hub using J 39046.
Crankshaft hub washer and bolt/screws.
Crankshaft balancer assembly and bolt/screws.
IMPORTANT: If balancer assembly is replaced, new balance weights of the same size must be installed on the new balancer assembly in the same hole locations as the old balancer assembly.

TIGHTEN

Crankshaft balancer hub bolt/screw to 100 Nm (74 lb. Ft.).
Crankshaft balancer bolts/screws to 85 Nm (63 lb. Ft.).
Serpentine drive belt.
Lower vehicle.

You want to have cyl 1 at TDC. Usually, u can pull that plug, and hold your finger over the plug hole while someone slowly bars the engine over. When its at tdc, it will force your finger off the hole. However thats not as accurate as pulling your front timing cover, and verifying that your at TDC by timing marks. Once you know your at TDC, the arrow on the balancer points straight up. 12 oclock. Hope this helps a bit.