Section 03-01B: Engine, 5.0L HO and 5.0L Cobra
1994 Mustang Workshop Manual
IN-VEHICLE SERVICE

Rocker Arm

 

Removal

  1. Remove valve covers (6582) as outlined.
  1. Remove the rocker arm seat bolt, rocker arm seat (6A528) , rocker arm (6564) and rocker arm fulcrum guide (6A588) on Mustang only. On Cobra remove seat bolt, roller rocker arm and rocker arm fulcrum guide .
 

Installation

All rocker arms and rocker arm seats are to be lubricated with heavy engine oil SG before installation.

  1. Apply Multi-Purpose Grease DOAZ-19584-AA or equivalent meeting Ford specification ESR-M1C159-A and ESB-M1C93-A to the top of the valve stem and underside of the rocker arm seats .
  1. Inspect the rocker arm seat bolts for damage.
  1. Rotate the crankshaft (6303) until the valve tappet (6500) is on the camshaft base circle (all the way down), and install the rocker arm , rocker arm seat and bolt. Tighten bolts to 24-34 Nm (18-25 lb-ft).
  1. Install valve covers as outlined.


Mustang





Item Part Number Description
1A 390385 Bolt
2 6A528 Rocker Arm Seat
3 6564 Rocker Arm
4 6A588 Rocker Arm Fulcrum Guide
5 6049 Cylinder Head
A Tighten to 24-34 Nm (18-25 Lb-Ft)


Cobra





Item Part Number Description
1 6564 Roller Rocker Arm
2A 391423 Bolt
3 6A588 Rocker Arm Fulcrum Guide
4 6049 Cylinder Head
A Tighten to 24-34 Nm (18-25 Lb-Ft)