Description QUATROS QS40105 Valve Seal Removal and Installation Kit
Valve stem seal removal and installation kit for OHC engines
A complete set with pliers, adapters, and mandrels for professional valve train maintenance.
| Article | QS40105 |
Functional Purpose
A complete set for removing and installing oil seals on OHC engines without damaging springs and other components.
Compatibility
Suitable for engines with overhead camshafts. Adapters Ø5–8 mm and mandrels 10.8–14.8 mm.
Package Contents
Pliers for removal, an installation handle, 7 adapters (5–8 mm + 3/8"), and 2 mandrels for pressing.
Description QS40105
The QS40105 oil cap removal and installation set is a professional kit for workshops that perform valve mechanism maintenance. This set contains everything you need: pliers for removing old caps, an installation handle, 7 precision adapters of different diameters (5–8 mm and 3/8"), and 2 mandrels for pressing new caps (outer diameter 10.8–14.8 mm).
Attempting to remove or install an oil cap without a special tool often results in damage to the cap, valve stem, or spring. The QS40105 completely solves this problem: the pliers precisely grip the old cap in a confined space, while the precision adapters and mandrels ensure that the new cap is correctly installed without distortion. The knurled ends of the adapters and handles provide a secure grip, even in oily hands.
Specifications
| Adapters | Ø5, Ø5.5, Ø6, Ø6.5, Ø7, Ø8, Ø3/8" mm |
| Pressing Mandrels | For outer diameter of caps 10.8–14.8 mm |
| Application | OHC engines (overhead camshafts) |
| Feature | Knurled ends for reliable grip in oil |
⚠️ Important: Before installing new caps, make sure that the seat is clean. Use the appropriate adapter to position the cap correctly.
Set Contents
| Pliers for removing caps | 1 pc. Special pliers for dismantling |
| Installer handle | 1 pc. For pressing caps |
| Adapters | 7 pcs. (Ø5, Ø5.5, Ø6, Ø6.5, Ø7, Ø8, Ø3/8" mm) |
| Pressing Mandrels | 2 pcs. (For outer Ø of caps 10.8–14.8 mm) |
When Using This Set
- When replacing oil caps on OHC engines without removing the cylinder head.
- For dismantling old, hardened caps using special pliers.
- For precise installation of new caps using adapters and mandrels.
- When repairing the valve mechanism after engine overheating.
Advantages of QS40105
| Complete Set | Everything you need to remove and install oil caps in one set – pliers, adapters, mandrels. |
| Precision Adapters | 7 adapters of different diameters ensure precise positioning of the cap during installation. |
| Knurled Handles | A special notch on adapters and handles provides a secure grip even in oily conditions. |
Frequently Asked Questions
| Is the kit suitable for DOHC engines? | The kit is designed for OHC engines. It may also be suitable for DOHC engines if the design allows sufficient access to the caps. |
| How to choose the right adapter? | Choose an adapter whose diameter matches the inner diameter of the oil cap. Use the mandrels according to the outer diameter of the cap. |
| Can it be used without removing the cylinder head? | Yes, the kit is specifically designed to work directly on the engine without the need to remove the cylinder head. |
| What is the warranty for the QS40105 kit? | The tool is guaranteed for 12 months against manufacturing defects under professional use. |
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