How to Replace Injector Sleeves on Detroit 60 Series with the ATC J33840-4 / J33880 Kit
How to Replace Injector Sleeves on Detroit 60 Series with the ATC J33840-4 / J33880 Kit
Replacing injector sleeves on a Detroit 60 Series doesn’t have to risk bore damage or leaks. The ATC J33840-4 / J33880 gives you **full control** with precision tools. This step-by-step guide shows you how.
Shipping Weight: 11.40 lbs • Eligible for Free Shipping
Step 1: Tap the Cup
Use the **tap and driver** to carefully thread the old injector sleeve. Apply light oil to the tap. Turn slowly to avoid cross-threading. Once fully threaded, clean the bore and threads with compressed air and solvent.
Step 2: Remove the Cup
Attach the **remover tool** to the tapped sleeve. Use a ratchet or breaker bar. Turn **clockwise** to extract the cup smoothly. The precision threads prevent prying or damage to the cylinder head bore.
Step 3: Install New Cup
Select the correct **brass or stainless cup** (not included). Lightly coat with anti-seize. Use the **installer tool** to press the new sleeve evenly until fully seated and flush with the head surface. Check alignment with a straightedge.
Pro Tips
- Always clean the bore with a nylon brush before installation.
- Use M30161/M30162 for stainless cup prep (sold separately).
- Torque installer evenly — avoid side-loading.
- Inspect injector tip for damage after removal.
Shipping Weight: 11.40 lbs • Eligible for Free Shipping
Specs at a Glance
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