Excel Automotives Car Garage Services For Chesterfield
Cylinder Head
What Is It?
A vehicles cylinder head makes up approximately 30% of the engines physical size. It is a high precision machined block of typically aluminium alloy and is responsible for housing your engines cam shaft and valves.
It is also temperature sensitive, so your cylinder head overheats it will most likely warp out of shape and in need of skimming.
Symptoms
- Engine Overheating
- Engine Running Poorly
- Oil Residue In Your Coolant
- Engine Lacking Power
- Engine Wont Start
How To Fix
- Skimming
- Surface Grinding
- Cylinder Boring & Honing
- Re–Facing
- Re–Sleeving
- Pressure Testing
- Re–Shimming
- Repair
Valves, Stems & Inserts
What Is It?
Your engines valves open and close under strict timing conditions which allows the fuel mixture into the cylinder for combustion and expels the remaining burnt particles through the exhaust system. For every revolution of your engine your valves open and close once. Consider your engine turning at 5,000 rpm it is understandable your valves will wear.
Symptoms
- Engine Performing Badly
- Using Excessive Fuel
- Engine Wont Start
- Engine Very Noisy
How To Fix
This can be caused by many problems
- Valve seat inserting
- Valve guide fitting
- Valve and valve seat re–cutting to 3 angles
- Line boring and honing camshaft housings
- Valve tappet shimming
- Dismantle and assembly of cylinder heads
We Can Save Your Cars Engine!
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- Vauxhall
- BMW
- Audi
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