Section 03-01A: Engine, 3.8L
1994 Mustang Workshop Manual
IN VEHICLE SERVICE

Connecting Rod Bearings

The connecting rod bearings are a selective fit to provide the necessary clearance. Refer to Section 03-00 to measure clearance and select the proper connecting rod bearings.

 

Removal

  1. Remove spark plug (12405) as outlined in Section 03-07B.
  1. Remove oil pan (6675) as outlined.
  1. Turn crankshaft (6303) until connecting rod (6200) from which the connecting rod bearings are to be removed is at the lowest point of travel.
  1. Remove connecting rod cap and connecting rod lower bearing.

     CAUTION: Tape or place old ignition wire spark plug boots over connecting rod bolts to avoid damage to crankshaft journal during service.

  1. Remove upper connecting rod bearing. Push piston (6108) up into cylinder block bore slightly to provide clearance for removal.
 

Installation

Lightly oil bolt and stud threads before installation.

 CAUTION: Contaminants allowed to remain on the connecting rod, cap or bearing can distort bearing or damage crankshaft journals.

  1. Thoroughly clean connecting rod bearing, connecting rod cap and connecting rod .
  1. Clean crankshaft journal and lubricate with Engine Assembly Lubricant D9AZ-19579-D or equivalent meeting Ford specification ESR-M99C80-A.
  1. Install connecting rod bearing in the connecting rod and pull connecting rod down until connecting rod seats on crankshaft .

    When installing connecting rod bearing, ensure tab on bearing engages slot in connecting rod and that connecting rod bearing is fully seated in connecting rod .

  1. Install connecting rod bearing in connecting rod cap and lubricate bearing surface with Engine Assembly Lubricant D9AZ-19579-D or equivalent meeting Ford specification ESR-M99C80-A.
  1. Install connecting rod cap and retaining nuts.

    Tighten nuts to 41-49 Nm (31-36 lb-ft). Back off nuts two to three turns. Final-tighten nuts to 41-49 Nm (31-36 lb-ft).

  1. Install oil pan as outlined.
  1. Install spark plugs as outlined in Section 03-07B.




    Item Part Number Description
    1 N800113-S Connecting Rod Nut (12 Req'd)
    2 014-00290 Ring Compression Tool
    3 N806832-S Bolt (12 Req'd)
    4 6200 Connecting Rod (6 Req'd)
    5 6108 Piston (6 Req'd)
    6 6211 Connecting Rod Bearing (6 Req'd)
    7 — Connecting Rod Cap (Part of 6200, 6 Req'd)