Question about 1998 Chevrolet Astro
I am rebuilding an engine for my boat, it is a chevy astro engine and I need the torque specs.
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 !
Posted on Dec 28, 2008
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
Here's a link to this great service
Posted on Jan 02, 2017
Tips for a great answer:
Jan 18, 2016 | 1987 Chevrolet Astro Cargo
Aug 10, 2012 | 1998 Chevrolet Malibu
Aug 06, 2017 | 1998 Chevrolet Astro
Nov 13, 2009 | 1998 Chevrolet Astro
Jun 20, 2009 | 1985 Chevrolet Chevy
Mar 02, 2009 | 1998 Chevrolet Astro
Nov 19, 2008 | 1998 Chevrolet C2500
3,689 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: