Thank you for choosing a product from Elwis Royal, a Danish manufacturer of quality gaskets and seals since 1938.
Our gaskets are engineered to meet the highest standards of performance and reliability. To ensure optimal sealing and long‑term durability, please follow the installation instructions carefully.
Proper preparation and correct assembly are essential for achieving the best results.
1. Dismantling
- Leave the engine to cool down to ambient temperature.
- Open the cap of the expansion tank of the cooling circuit.
- Tap off the cooling liquid.
- Remove the bolts from the cylinder head in the opposite order of the tightening procedure.
2. Cleaning
- Clean and degrease the mating faces of the block and cylinder head.
- Clean the cooling circuit.
- Pass a threaded tap through the cylinder head bolt threads
in the block.
3. Checklist
- Check the flatness of the block and cylinder head.
- Check the liner block height.
- Check the turbulence chamber height in the cylinder head (diesel engines with indirect injection).
- Replace all cylinder head bolts.
- Check the condition of the washers (it is recommended to replace all washers).
- Check if the cylinder head gasket suits the engine (see the Elwis Royal catalogue).
- Check the height of the pistons over block level to determine the gasket thickness.
- Check if the gasket thickness is correct.
4. Assembly
- Never re-install a cylinder head gasket.
- Do not use any sealants, greases, etc. on the gasket unless prescribed by the engine manufacturer.
- Slightly lubricate the bolts in the thread and also under the
head. - It is essential to replace all head bolts when installing a
head gasket. - Tighten the bolts according to the prescriptions of the
engine manufacturer. - The re-tightening procedure must be followed according to
the prescriptions of the engine manufacturer.
