Town Car V8-4.6L VIN W (1997)
5. Remove two bolts retaining RH and LH timing chain tensioner (6L266) to cylinder head and remove timing chain tensioners.
6. Remove timing chain tensioner arms (6L253).
7. Remove two bolts retaining RH timing chain guides (6K297) to cylinder heads and remove timing chain guides.
8. Remove RH timing chain from camshaft sprocket and crankshaft sprockets (6306).
9. Remove LH timing chain from camshaft sprocket and crankshaft sprocket.
10. If necessary, remove camshaft sprockets and crankshaft sprockets
CAUTION: Do not rotate crankshaft and/or camshafts. Engine damage may occur.
11. Inspect the plastic running face on timing chain tensioner arms and timing chain guides. If worn or damaged, remove and clean oil pan and oil
pump screen cover and tube (6622).
12. Inspect crankshafts and camshaft sprockets for wear or damage and replace as required.
INSTALLATION
1. If engine has jumped time, perform the following steps:
Step 1 ... Make sure that all repairs to engine components and/or valve train have been made.
Step 2 ... Rotate engine counterclockwise 45°. This will position all pistons below top of deck face.
Step 3 ... Install cylinder heads
NOTE: Cam Positioning Tool Adapters and Cam Positioning Tool MUST be installed on camshafts to prevent camshafts from rotating.
2. Install timing chain guides (both sides). Install timing chain guide retaining bolts. Tighten to 8-12 Nm (71-106 inch lbs.).
3. If removed, position camshaft sprocket spacer (6265) and sprocket on camshaft.
4. Install washer and camshaft sprocket retaining bolt. Do not tighten at this time.
