Allow tappet to bleed down to give a solid tappet effect.
8. Install a dial indicator so plunger contacts the #2 intake valve spring retainer as nearly perpendicular as
possible. Zero the indicator.
9. Rotate the engine clockwise until the intake valve has lifted .254 mm (0.010 in.).
10. Degree wheel should read 6 degrees BTDC to 6 degrees ATDC.
MEASURING TIMING CHAIN WEAR
Fig. 233: Measuring Timing Chain Wear
Courtesy of CHRYSLER LLC
1. Position a scale next to timing chain so that any movement of chain may be measured.
2. Position a torque wrench and socket on the camshaft sprocket attaching bolt. Apply force in the direction
of crankshaft rotation to take up slack to the following torque:
CAUTION: Do not turn crankshaft any further clockwise as intake valve might
bottom and result in serious damage.
1 - TORQUE WRENCH
NOTE:
With torque applied to the camshaft sprocket bolt, crankshaft should not
be permitted to move. It may be necessary to block crankshaft to prevent
rotation.
2010 Jeep Wrangler Sport
2010 ENGINE 3.8L - Service Information - Wrangler
viernes, 1 de octubre de 2021 05:18:32 p. m.
Page 188
© 2011 Mitchell Repair Information Company, LLC.
