Altima GXE L4-2.4L (KA24DE) (1999)
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10.
Wipe off the links of the timing chain next to the timing marks on the sprockets. Put paint marks on the timing chain, matching them with the
timing marks on the cam sprockets and idler sprocket (see Figure 1).
11.
Remove cam sprocket bolts, cam sprockets, upper timing chain guides (if equipped) and upper timing chain.
12.
Support lower timing chain by using a suitable tool as shown in Figure 2 to avoid chain tensioner spring from coming out.
NOTE:
This step is only to be applied when the lower cover is not being removed.
13.
Remove the idler sprocket.
Removal of Lower Timing Chain
1.
Drain coolant by removing the cylinder block drain plug and opening the radiator drain cock (Refer to MA section of the Service Manual).
2.
Drain engine oil.
3.
Remove the oil pan (Refer to "Removal" under "Oil Pan" in the Service Manual).
4.
Remove the power steering pump and position it to the side. Remove the idler pulley and bracket as well.
5.
Set # 1 piston at TDC on its compression stroke.
6.
Remove the crankshaft pulley.
7.
Remove the oil separator.
8.
Remove the front cover.
NOTE:
