When installing a timing belt, tensioner spring (6L277) and retaining bolt (W700001-S309) must be purchased and properly installed on the engine. First, check to see if these parts are already installed. The tensioner spring will adjust the timing belts tension and should not require further adjustments.
NOTE: Mark the location of the upper front engine support bracket before removing it from the engine support bracket.
NOTE: If the timing belt is to be reused, mark the belt for the direction of rotation before removing to prevent premature wear or failure.
NOTE: It is recommended to purchase a tensioner spring and retaining bolt through the dealer parts to apply the proper tension for used or new belt installations. The spring is bolted to the tensioner assembly and becomes a part of the engine. Ignore this notice if the tensioner spring is already installed.
NOTE: A slight adjustment of the camshafts to allow the insertion of the camshaft alignment timing tool is permissible as long as the crankshaft stays at the TDC location.
NOTE: Before removing the camshaft sprocket(s), be sure that the camshafts are still in alignment and tag each sprocket to the camshaft from which it was removed.
NOTE: The timing chain tensioner automatically adjusts the tension on the timing belt.