I need to know how to replace my timing chain and tension er in my Nissan sentra 91 1.6 with diagrams

AutoZone.com has complete instructions. I will try to paste below, but pics might not come thru.
http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?pageId=0900c152801ce1f2

CA16DE and CA18DE Engines

See Figures 2, 3, 4, 5, and 6



Fig. Fig. 2: Valve timing alignment marks-CA16DE and CA18DE engines



i need to know how - 0900c152801ce1f6.jpg/uploads/images/0900c152801ce1f6.jpg" alt="0900c152801ce1f6.jpg" class="h_mi" /> Fig. Fig. 4: Camshaft timing pulley alignmei need to know how - 0900c152801ce1f7.jpgCA18DE engines



Fig. Fig. 5: Camshaft sprocket plate installation-CA16DE and CA18DE engines



Fig. Fig. 6: A spacer must be installed between the crankshaft and pulley bolt head before rotating the engine-CA16DE and CA18DE engines

1. Disconnect the negative (-) battery cable.
2. Drain the cooling system.

1. Disconnect the upper radiator hose at the elbow and then position it out of the way.
2. Remove the right side engine under cover.
3. Loosen the power steering pump and the air conditioning compressor and then remove the drive belts.
4. Remove the water pump pulley.
5. Matchmark the crank angle sensor to the upper front cover and the remove it. Carefully position it out of the way.
6. Position a floor jack under the engine and raise it just enough to support the engine.
7. Remove the upper engine mount bracket at the right side of the upper front cover.
8. Remove the upper front cover.
9. Align the timing marks on the camshaft pulley sprockets and then remove the crankshaft pulley.

1. Remove the lower front cover.
2. Loosen the tensioner pulley nut to slacken the timing belt and then slide off the belt.

1. Install the crankshaft sprocket with the sprocket plates.
2. Before installing the timing belt, ensure that the No. 1 piston is at TDC of the compression stroke (all sprocket timing marks will be in alignment with the marks on the case).

1. Loosen the timing belt tensioner pulley nut.
2. Temporarily install the crankshaft pulley bolt and then rotate the engine two complete revolutions.

1. Tighten the tensioner pulley bolt to 16-22 ft. lbs. (21-30 Nm).
2. Install the upper and lower front covers.
3. Install the crankshaft pulley with its washer and tighten it to 105-112 ft. lbs. (143-152 Nm).
4. Install the engine mount bracket.
5. Install the water pump pulley. Install the crank angle sensor so that the matchmarks made previously line up and tighten the bolts to 61-70 inch lbs. (7-9 Nm).
6. Install all drive belts and adjust.
7. Install the right side engine under cover.
8. Reconnect the radiator hose and refill the radiator.
9. Connect the battery cable and start the engine. Check engine timing and for any leaks. Road test.