Altima GXE L4-2.4L (KA24DE) (1999)
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Engine may need to be lowered to provide clearance for the chain tensioner housing of the timing cover to clear the frame. Engine height may need
to be adjusted when removing the cover.
CAUTION:
Be careful not to tear or damage the cylinder head gasket.
9.
Remove the following parts:
^
Lower timing chain tensioner (push piston in and insert a suitable pin into the hole).
^
Chain tension arm.
^
Lower timing chain guide.
10.
Remove the upper timing chain (refer to "Removal of Upper Timing Chain" in this bulletin).
11.
Wipe off the links of the timing chain next to the timing marks on the sprockets. Apply paint marks to the lower timing chain, matching them with
the mating marks on the crankshaft sprocket and idler sprocket (see Figure 3).
12.
Remove the lower timing chain and sprocket.
Installation of Lower Timing Chain
1.
Install the crankshaft sprocket, making sure the mating marks face the front of the engine.
2.
Install the idler sprocket and lower timing chain using the mating marks and the paint marks made during the removal process.
CAUTION:
Be careful not to tear or damage the cylinder head gasket.
3.
Install chain guide and chain tension arm.
4.
Install lower chain tensioner and remove the pin securing the piston into the tensioner body.
5.
Front cover installation:
a.
Using a scraper or other suitable tool remove all traces of liquid gasket from the cylinder block, oil separator (pre-98' models) and front
cover mating surfaces.
