1998 chevy astro 4.3 v6 torque specs include :
* foot pounds *
balance shaft (if equiped) gear bolt = step 1 = 15 ft.lbs. step2 = additional 35 degrees.
camshaft sprocket bolt = 18 ft. lbs.
connecting rod cap = step 1 = 20 ft. lbs. step 2 = additional 70 degrees.
crankshaft damper bolt = 74 ft. lbs.
crankshaft oil deflectorbolt/nut = 27 ft.lbs.
cylinder head bolts = step 1 = 15 ft. lbs. step 2 = additional 73 degrees. (tighten in sequence)
exhaust manifold bolts = step 1 = 11 ft. lbs. step 2 = 22 ft. lbs.
flywheel bolt = 74 ft. lbs.
main bearing cap bolts = step 1 = 15 ft. lbs. step 2 = additional 73 degrees.
oil filter adapter bolt = 15 ft. lbs.
oil pan bolt/nut = 18 ft. lbs.
oil pump bolt = 66 ft. lbs.
rocker arm with press in studs = 18 ft. lbs.
rocker arm with screw in studs = 19 ft. lbs.
valve lifter retainer bolt = 12 ft. lbs.
water pump bolt = 33 ft. lbs.
* inch pounds *
balance shaft retaining plate bolt = 106 in. lbs.
camshaft retainer plate bolt = 106 in. lbs.
front cover bolt = 106 in. lbs.
intake manifold upper = step 1 = 44 in. lbs. step 2 = 88 in. lbs.
intake manifold lower = step 1 = 27 in. lbs. step 2 = 106 in. lbs. step 3 = 133 in. lbs. ** (tighten bolts in sequence)
thanks for your vote !
what is the rocker arm torque specs for 3.8 liter
what is the rocker arm torque specs
rocker arm torque specs
rocker arm torque specs
what is the rocker arm torque specs on 1997 3.8 engine
what do I torque the rocker arms to
how many inch pounds to torque a rocker arm
×