Cylinder Block Core Plug Replacement

303-00 Engine System - General Information 2016 Mustang

General Procedures Procedure revision date: 01/8/2015

Special Tool(s) / General Equipment

Cylinder Block Core Plug Replacement — original illustration 1, reference 125Original colors & callouts · Select to enlarge	100-001 (T50T-100-A) Slide Hammer

Materials

Name	Specification
Threadlock 262 TA-26	WSK-M2G351-A6

Repair

All core plugs

1. NOTE: Cylinder block core plug shown, cylinder head core plug similar.

Using the Slide Hammer and a commercially available body dent puller attachment or commercially available freeze plug puller remove the core plug. Use Special Service Tool: 100-001 (T50T-100-A) Slide Hammer.

Cylinder Block Core Plug Replacement — original illustration 2, reference 125Original colors & callouts · Select to enlarge

2. NOTE: Oversize plugs are identified by the OS stamped in the flat located on the cup side of the plug.

Inspect the core plug bore for any damage that would interfere with the correct sealing of the plug. If the core plug bore is damaged, bore for the next oversize plug.

Cup-type

3. NOTE: Use care during this procedure so as not to disturb or distort the cup sealing surface.

NOTE: When installed, the flanged edge must be below the chamfered edge of the bore to effectively seal the bore.

Coat the cup-type core plug and bore lightly with sealant and install the core plug using a freeze plug

Source reference 125

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.