Timing Drive Components: Removal
WARNING: This page is about a different variant/trim than selected.
NOTE:
During engine repair procedures, cleanliness is extremely important. Any foreign material, including any material created while cleaning gasket surfaces, that enters the oil passages, coolant passages or the oil pan may cause engine failure.
- 1.
Remove the engine front cover. Refer to Engine Front Cover .
- 2.
Rotate the crankshaft clockwise and align the timing marks on the Variable Camshaft Timing(VCT) assemblies as shown.
- 3.
Install the Special Tool(s): Tool, Camshaft Holding 303-1248.
NOTE:
The Camshaft Holding Tool will hold the camshafts in the Top Dead Center (TDC) position.
- 4.
Install the Special Tool(s): Tool, Camshaft Holding 303-1248.
NOTE:
The Camshaft Holding Tool will hold the camshafts in the TDC position.
NOTE:
The following 3 steps are for primary timing chains when the colored links are not visible.
- 7.
Mark the timing chain link that aligns with the timing mark on the RH intake VCT assembly as shown.
- 8.
Mark the timing chain link that aligns with the timing mark on the LH intake VCT assembly as shown.
- 9.
Mark the 2 timing chain links that align with the timing mark on the crankshaft sprocket as shown.
NOTE:
The crankshaft sprocket timing mark should be between the 2 colored links.
- 16.
Compress the LH secondary timing chain tensioner and install a suitable lockpin to retain the tensioner in the collapsed position.
- 17.
Remove the LH VCT assembly bolt and the LH exhaust camshaft sprocket bolt. Discard the specified component. Follow local disposal regulations.- Remove the LH VCT assembly, secondary timing chain and the LH exhaust camshaft sprocket as an assembly.
- Discard the bolts.
NOTE:
The VCT bolt and the exhaust camshaft bolt must be discarded and new ones installed. However, the exhaust camshaft washer is reusable.
- 19.
Compress the RH secondary timing chain tensioner and install a suitable lockpin to retain the tensioner in the collapsed position.
- 20.
Remove the RH VCT assembly bolt and the RH exhaust camshaft sprocket bolt. Discard the specified component. Follow local disposal regulations.- Remove the RH VCT assembly, secondary timing chain and the RH exhaust camshaft sprocket as an assembly.
- Discard the bolts.
NOTE:
The VCT bolt and the exhaust camshaft bolt must be discarded and new ones installed. However, the exhaust camshaft washer is reusable.
- 21.
Remove the 2 bolts and the RH secondary timing chain tensioner.
NOTE:
It is necessary to tilt the Camshaft Holding Tool toward the rear of the engine to access the rearmost secondary timing chain tensioner bolt.
