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Home›Repair guides›Detroit Diesel›Protective Sleeve Installation

Detroit Diesel — Protective Sleeve Installation

Installation

From a Detroit Diesel service manual — check it applies to your exact model before use.

Procedure

  1. Clean the sealing surfaces of the protective sleeve and the cylinder head.
  2. Lubricate the new O-ring with engine oil and install it in the cylinder head.
  3. Install the protective sleeve and torque to 45 N·m (33 lb·ft) using the 4-toothed socket J-46186 turning clockwise.
  4. Install the nozzle (refer to 2.4.2).
  5. Check the coolant inhibitor level using Detroit Diesel POWER Trac 3-way Coolant Test Strips.
  6. Fill the cooling system with the proper amount of coolant.

Tools required

  • J-46186 4-toothed socket Amazon
  • Detroit Diesel POWER Trac 3-way Coolant Test Strips Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Protective sleeve: 45 N·m (33 lb·ft)

Source: Detroit Diesel service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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