Description
Overview
New Valve Cover Diaphragm Kit for 1.6 HDi engines used in Citroën & Peugeot vehicles. The kit contains a valve cover diaphragm and a pressure (vacuum) control valve designed to replace worn or damaged components in the crankcase ventilation circuit. This part is commonly searched by part number 0248S0.
Features
- Direct-fit replacement for PSA 1.6 HDi applications
- Includes valve cover diaphragm and pressure valve
- Restores correct crankcase ventilation and engine vacuum control
- New part, ready for installation
Fitment And Typical Models
Compatible with a range of PSA models equipped with the 1.6 HDi engine. Typical applications include, but are not limited to: Citroën C3, C4, C4 Picasso, C5, Berlingo and Peugeot 207, 308, 3008, 407, Partner, 5008. Always verify fitment by matching the part number 0248S0 against the vehicle’s VIN or existing component.
Replacement & Installation Notes
Replacement is straightforward for a qualified mechanic or experienced DIYer. Typical steps:
- Disconnect the battery for safety and remove any engine covers obstructing access.
- Carefully disconnect ventilation hoses and electrical connectors attached to the valve cover area.
- Remove valve cover fasteners and lift the cover to access the diaphragm and pressure valve.
- Replace the diaphragm and pressure valve with the new components, replace any damaged seals, and clean mating surfaces.
- Refit the valve cover and tighten fasteners to the manufacturer’s torque specifications. Reconnect hoses and check for leaks.
Do not overtighten fasteners; always follow the vehicle manufacturer’s torque specs and service procedures. If uncertain, consult a factory service manual.
Failure Symptoms & Causes
Common signs that the valve cover diaphragm or pressure valve needs replacement:
- Oil leaks around the valve cover sealing area
- Rough idle, stalling or unstable idle speed due to vacuum leaks
- Increased oil consumption or oil found in intake/traces of oil in vacuum hoses
- Reduced turbo response or boost-related faults (on turbocharged 1.6 HDi variants)
- Check Engine Light related to crankcase ventilation or turbo control
Typical causes of failure include age-related material degradation, heat and oil contamination, or mechanical damage during prior service.
Technical Information
- Manufacturer: PSA (Citroën/Peugeot)
- Model: 1.6 HDi
- Product Codes: 0248S0
- Additional Numbers: Not Provided
This kit is intended for professional installers and knowledgeable DIYers. Always confirm compatibility with the vehicle before installation by checking the part number and vehicle details.
