Engine Mechanical - 3.7L: Overhaul Ford Mustang V рестайлинг

Disassembly

All cylinder heads

1. Remove the 2 bolts and the exhaust manifold heat shield.
2. Remove the 6 nuts and the exhaust manifold. Discard the nuts and gasket.
3. Clean and inspect the exhaust manifold. For additional information, refer to «ENGINE MECHANICAL SYSTEM - GENERAL INFORMATION»(ref-439783) article.
4. Remove and discard the 6 exhaust manifold studs.
5. Remove the timing chain guide pin.
6. Using the Valve Spring Compressors, remove the keys, retainer and spring.
7. Remove the valve from the cylinder head.
8. Remove and discard the valve stem seal.
9. Repeat the above steps for each valve. RH cylinder head
10. Remove the timing chain tensioner arm pin.
11. Remove and discard the Cylinder Head Temperature (CHT) sensor.

Scheme 293

Assembly

All cylinder heads

Scheme 294

1. Using the Valve Stem Oil Seal Installer, install a new valve stem seal.
2. Install the valve.
3. Using the Valve Spring Compressors, install the valve spring, retainer and key.
4. Repeat the above steps for each valve.
5. Install the timing chain guide pin and tighten in 2 stages. Stage 1: Tighten to 20 Nm (177 lb-in). Stage 2: Tighten an additional 60 degrees. RH cylinder head
6. Install a new CHT sensor. Tighten to 10 Nm (89 lb-in).
7. Install the timing chain tensioner arm pin and tighten in 2 stages. Stage 1: Tighten to 20 Nm (177 lb-in). Stage 2: Tighten an additional 60 degrees.
8. Install 6 new RH exhaust manifold studs. Tighten to 12 Nm (106 lb-in).
9. Using a new gasket, install the RH exhaust manifold and 6 new nuts. Tighten in 2 stages in the sequence shown in illustration: Stage 1: Tighten to 19 Nm (168 lb-in). Stage 2: Tighten to 25 Nm (18 lb-ft).
10. Install the RH exhaust manifold heat shield and the 2 bolts. Tighten to 12 Nm (106 lb-in). LH cylinder head
11. Install 6 new LH exhaust manifold studs. Tighten to 12 Nm (106 lb-in).
12. Using a new gasket, install the LH exhaust manifold and 6 new nuts. Tighten in 2 stages in the sequence shown in illustration: Stage 1: Tighten to 19 Nm (168 lb-in). Stage 2: Tighten to 25 Nm (18 lb-ft).
13. Install the LH exhaust manifold heat shield and the 2 bolts.

1. Tighten to 12 Nm (106 lb-in).

1. Remove the piston rings from the piston. Discard the piston rings.
2. Remove the 2 piston pin retainers and the piston pin. Discard the 2 piston pin retainer clips.
3. Separate the piston from the connecting rod.
4. Clean and inspect the piston and connecting rod. For additional information, refer to «ENGINE MECHANICAL SYSTEM - GENERAL INFORMATION»(ref-439783) article.

1. Align the piston-to-connecting rod orientation marks and position the connecting rod in the piston.
2. Lubricate the piston pin and pin bore with clean engine oil.
3. Install the piston pin in the piston and connecting rod assembly.
4. Install the new piston pin retaining clips in the piston. The piston pin retaining clip gap orientation must be toward the top or dome of piston.
5. Lubricate the piston and the new piston rings with clean engine oil.
6. Install the piston rings onto the piston as shown in illustration.

1. Center line of the piston parallel to the wrist pin bore
2. Upper compression ring gap location
3. Upper oil control segment ring gap location
4. Lower oil control segment ring gap location
5. Expander ring and lower compression ring gap location

Scheme 295