Engine Mechanical problem
1996 Nissan Altima 4 cyl Front Wheel Drive Automatic 160000 miles
COULD YOU SEND A PICTURE POSITION OF THE CAMSHAFT TIMING MARKS DOHC WITH CHAIN THERE IS 2 TIMING CHAINS THE NO. 1 AT TDC BUT I NEED TO KNOW CAMSHAFT MARKS POSITIN 2 CAMSHAFT WITH KEY WAY AND DOT INDENT WISH WAY SHOLD THEY BE FACING. PLEASE SEND A PICTURE WITH YOUR ANSWER THANK YOU
Install crankshaft sprocket with sprocket teeth toward front of engine, and shoulder toward rear of engine. Install oil pump drive spacer. Ensure cylinder No. 1 is at TDC, with crankshaft sprocket keyway at 12 o'clock position.
Install inner timing chain onto crankshaft sprocket and idler sprocket. Hold idler sprocket in position. Ensure mating marks on sprockets align with Silver chain links. Install chain guide and tensioner.
Apply lithium grease to front cover oil seal. Apply a .08-.12" (2-3 mm) diameter bead of sealant to front cover. Install front cover. Install crankshaft pulley. Tighten bolt to specification.
Install oil strainer, oil pan, accessory drive components and belts. Install front engine mount. Install cylinder head and NEW gasket, and temporarily snug cylinder head bolts. Install outer timing chain, chain tensioner and chain guide. Ensure mating marks align.
. Hold outer timing chain in position.
Apply sealant to camshaft sprocket cover sealing surfaces. Install camshaft sprocket cover. Tighten bolts to specification.
Tighten cylinder head bolts to specification. Install camshafts and bearing caps. Tighten bearing cap bolts in sequence to specification.
Install camshaft sprockets and chain guide. Apply sealant to cylinder head rubber plugs.
Install rubber plugs. Install cylinder head cover. To complete installation, reverse removal procedure