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Welcome to the DISCO3.CO.UK Knowledge Base - this is currently in development, but please add and edit content and report back any difficulties you have or additions you feel it needs!

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Common Topics

• Acronyms - Common Acronyms used on/for the Discovery and for DISCO3.CO.UK
• Accessory Fitting
• Before buying a D3
• Discovery 3 Models and Specifications (UK)
• EPB Issues
• EPB Emergency Release
• Fuel Burning Heater (FBH)
• TOPIx Technical Reference (was GTR)
• [6HP26 gearbox spare parts.](PDF)
• Hard Reset
• Hints & Tips - Useful things to help you get the best out of Discovery 3 and 4
• Suspension Knocking (especially at the rear) ? ARB Bushes - Fix
• Terrain Response - Settings Explained
• Known Issues & Fixes from MY05 Onwards
• Maintenance - Keep your Discovery running smoothly
• Diagnostic Codes - Fault Codes database
• Modifications - Enhance your D3/4 to suit your needs
• Model Years
• Owner Information Mirror
• Technical Documentation
• Technical Service Bulletins
• VIN Details
• Wheels and Tyres
• Awards - Awards given to the D3 & D4
• Frequently Asked Questions
• How do I?
• Charging through towing socket
• Parts required for OEM Hybrid TV install
• IIDTool
• Low Pressure fuel pump diagnosis A comprehensive guide to your Low Pressure fuel system.