F 250 2WD Pickup V8-351 5.8L VIN H 4-bbl HP (1985)
Exhaust Manifold: Service and Repair
V8-255, 302 & 351W
1.
Disconnect battery ground cable.
2.
Remove air cleaner and intake duct assembly including crankcase ventilation hose.
3.
Remove bolts attaching air cleaner inlet duct, if equipped.
4.
Disconnect exhaust pipes at manifolds.
5.
Remove exhaust manifold heat shields with attaching bolts and flat washers, if equipped.
6.
Remove oil dipstick tube assembly, speed control bracket and exhaust heat control valve from left side exhaust manifold, if equipped, then remove
exhaust manifold.
7.
Reverse procedure to install, torquing attaching bolts to specifications from centermost bolts outward.
V8-351M & 400
1.
Disconnect battery ground cable.
2.
When removing right side manifold, remove air cleaner, intake duct and heat shield.
3.
When removing left side manifold, remove oil filter.
4.
On 1980-82 models, remove oil dipstick and tube assembly and speed control bracket from left side exhaust manifold, if equipped.
5.
On vehicles equipped with column selector and automatic transmission, disconnect selector lever cross shaft.
6.
On all models, disconnect exhaust pipe at manifold and remove spark plug heat shields.
7.
Remove exhaust manifold attaching bolts and the exhaust manifold.
8.
Reverse procedure to install, torquing attaching bolts to specifications from center most bolts outward.
