E 250 3/4 Ton Van V8-5.4L CNG VIN M (1997)
17. Install the Camshaft Holding Tools on the camshafts.
18. Remove the timing chain tensioner bolts and the timing chain tensioners. Remove the timing chain tensioner guides from the dowel pins.
19. Remove the LH and RH timing chains and the crankshaft sprocket.
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Remove the RH timing chain from the camshaft sprocket.