Town Car V8-4.6L VIN W (1997)
20. Lower exhaust and secure to crossmember in positions shown with wire.
21. For LH exhaust manifold, remove front engine support insulator from cylinder block (6010) and remove eight nuts retaining exhaust manifold.
22. Remove LH exhaust manifold and two exhaust manifold gaskets (9448).
23. Position a screw-type jackstand and a block of wood under oil pan (6675), rearward of oil drain hole.
24. Raise engine approximately 100 mm (4 inches).
25. For RH exhaust manifold, remove eight nuts retaining exhaust manifold to cylinder head and retaining studs and remove exhaust manifold and
exhaust manifold gasket.
INSTALLATION
1. If exhaust manifolds are being replaced, transfer heated oxygen sensors and tighten to 37-45 Nm (28-33 ft. lbs.). Also, for RH exhaust manifold,
transfer EGR valve tube to manifold connector (9F485) and tighten to 45-65 Nm (34-48 ft. lbs.).
2. Clean mating surfaces of exhaust manifolds and cylinder heads.
3. Position exhaust manifold gasket and RH exhaust manifold to cylinder head and studs and install eight retaining nuts. Tighten in sequence to 18-22
Nm (14-16 ft. lbs.).
4. Position two exhaust manifold gaskets and LH exhaust manifold to cylinder head and studs and install eight retaining nuts. Tighten in sequence to
18-22 Nm (14-16 ft. lbs.). Refer to illustration following Step 3.
