Operation CHARM: Car repair manuals for everyone.

Use of Hermetically Sealed Bolts

Hermetically sealed bolts are used where a perfect seal is required. Replace bolts once undone or seal with new sealing compound.

HYDRAULIC THREAD SEALING COMPOUND part number is 1 161 056-5, or equivalent must be used, follow instructions on pack.

Below is a list and illustrations of hermetically sealed bolts used on the B6304 engine





Hydraulic thread sealing compound
- Part No. 1 161 056-5, or equivalent
- Apply sealing compound to bolts using brush or pipe on pack.
- Avoid sealing compound coming into contact with skin.

Bolts To Be Sealed With Hydraulic Thread Sealing Compound





Intake side of engine.





Exhaust side of engine.





Rear of engine.





Front of engine.