Description
Cylinder head cover, valve cover 1.4 16V HDi 8HY Citroën Peugeot. Pressure valve OK.
This Valve Cover Is A Direct-Fit Replacement For 1.4 16V HDi Engines And Is Intended For Professional Garages And Experienced DIYers Working On Citroën And Peugeot Vehicles. Manufactured To Match OE Mounting Points And Sealing Surfaces, The Cover Helps Prevent Oil Leackage, Protects The Camshaft Area From Contamination, And Integrates The Positive Crankcase Ventilation (PCV) Function To Maintain Correct Crankcase Pressure. The Part Is Frequently Searched By Its Product Codes, So Having The Correct Reference Number (See Technical Information) Will Speed Up Identification And Fitment.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Citroën C3; Peugeot 1007; 1.4 16V HDi Engine (Engine Code 8HY)
- Product Codes: 9641543280, 0248K4
- Other Numbers: 8HY, NFP
Function And Benefits
The Valve Cover Seals The Top Of The Cylinder Head, Preventing Oil From Escaping Onto Ignition Components And Belts While Also Housing The PCV/Pressure Valve That Regulates Crankcase Venting. A Properly Sealed Cover Reduces Oil Leaks, Helps Preserve Engine Cleanliness, And Prevents Oil-Induced Misfires Caused By Oil Contamination Of Coil Packs Or Spark Plug Wells.
Installation Recommendations
- Work On A Cool Engine In A Clean Area; Disconnect The Battery As A Safety Precaution.
- Remove Engine Cover, Air Intake Ducts, And Any Electrical Connectors Or Ignition Coils That Obstruct Access To The Valve Cover.
- Disconnect Breather Hoses And PCV Lines Carefully; Note Their Routing For Reassembly.
- Loosen The Valve Cover Fasteners Gradually In A Cross Pattern To Avoid Distortion.
- Clean The Mating Surfaces Thoroughly; Remove Old Gasket Material Without Gouging The Cylinder Head Or Cover.
- Install A New Gasket And Any Required Sealing Washers; Lightly Lubricate The Gasket If Recommended By The Gasket Manufacturer.
- Tighten Fasteners Evenly To The Manufacturer’s Torque Specification And Sequence (Refer To The Workshop Manual For Exact Values).
- Reattach Hoses, Electrical Connections, And Ignition Components; Start The Engine And Check For Leaks And Proper Idle.
Most Common Failure Causes
Valve Covers Typically Fail Because The Rubber Gasket Or Sealing Surfaces Age And Harden, Leading To Oil Leaks. Other Frequent Causes Include A FaultY Or Clogged PCV/Pressure Valve That Creates Excessive Crankcase Pressure, OVERTIGHTENING Or Incorrect Torque Leading To Cracks, And Impact Damage From Tools Or Road Debris. Heat Cycling Over Time Can Also Cause Warping Or Loss Of Seal Integrity.
When To Replace
Replace The Valve Cover Or Gasket When You Observe External Oil Leaks, Oil Accumulation Around The Ignition Coils Or Spark Plug Wells, Burning Oil Smell, Or When Performing Engine Repairs That Require Removal Of The Cover. Addressing A Leaking Valve Cover Early Prevents Secondary Damage To Ignition Components And Engine Sensors.
Part Numbers And Engine Codes Are Common Search Terms — Use The Product Codes Above (9641543280, 0248K4) And Engine Code 8HY To Confirm Fitment During Parts Lookup.
