the protocol
CFP1 — Canonical Fix Protocol, version 1.
This document describes the standard that governs how repair knowledge is created, reviewed, versioned, and maintained on this platform.
supported models
CFP1 currently supports guide submission for the following Land Rover models:
SERIESSeries 1, Series 2, Series 2A, Series 3
LIGHTWEIGHT — AIR PORTABLESeries IIA Lightweight, Series III Lightweight — GS, FFR, Ambulance, and 24V electrical variants supported
FORWARD CONTROLSeries IIA Forward Control, Series IIB Forward Control, 101 Forward Control
DEFENDERDefender 90, Defender 110, Defender 130, Defender Wolf — Military, Defender Perentie — Australia, NAS Defender — North America, Defender 50th Anniversary, Defender High Capacity Pickup 130 HCPU
CLASSIC DEFENDER ERAOne Ten, Ninety
DISCOVERYDiscovery 1, 2, 3, 4, 5, Discovery Sport
FREELANDERFreelander 1 — K-series petrol, V6 petrol, L-series diesel, TD4. Freelander 2 — TD4, SD4, i6. Note: monocoque construction, no ladder chassis.
WORKSHOP subscribers can submit original guides for any model above. Verified guides are currently available for Series 2, Series 2A, and Series 3. Community guides for all other models are open for submission.
guide structure
Every CFP1 guide must specify:
+vehicle: make, model, generation, year range
+engine: variant and displacement
+job: one specific repair task
+difficulty: beginner / intermediate / advanced
+estimated time: in hours, as a range
+tools required: with sizes and part numbers where applicable
+parts required: linked to the parts registry by canonical ID
+steps: numbered, with sub-steps where necessary
+torque specifications: in Nm, with fastener size
+warnings: safety-critical information at the relevant step
+variants: known differences between sub-models or production years
versioning
Guides follow semantic versioning:
v1.0— initial published guide
v1.x— minor corrections, clarifications, additional variants
v2.0— significant structural change or method revision
Every version is preserved. The canonical version is always the latest approved version on the main branch.
contribution standard
To be accepted, a proposed edit must:
+be based on direct experience or a verifiable source
+include a commit message explaining the change and why
+not remove information without explanation
+pass review by at least one maintainer with relevant model experience
Edits that improve clarity, add missing variants, correct errors, or update superseded part numbers are always welcome.
parts registry standard
Part entries must include:
+OEM part number (Land Rover original)
+current superseded number if applicable
+known aftermarket equivalents with supplier
+fitment notes (which models, which years)
+last verified date
field-tested badge
A guide earns the field-tested badge when a WORKSHOP-tier contributor confirms they have followed the guide on a real vehicle and the repair was successful. This is logged in the guide's history with the contributor's profile and date.
maintainers
Maintainers are WORKSHOP-tier users granted merge rights by CFP1 admin. Maintainers are responsible for the quality of guides in their area of expertise. They review proposed edits, close stale issues, and keep the guide history clean.
protocol updates
The protocol itself is versioned. Changes to this document follow the same review process as guide edits. CFP1 version 2 would represent a significant revision to the standard — a new model for how guides are structured, reviewed, or stored.
v1— April 2026 — initial protocol
community guides
WORKSHOP-tier contributors may submit original repair guides from scratch. Every community guide must follow the same protocol as all CFP1 guides — the full structure is required without exception.
Community guides go through the same maintainer review process as proposed edits. At least one maintainer with relevant model experience must approve before a community guide goes live.
quality tiers
Every CFP1 guide carries a quality tier that reflects how thoroughly it has been verified.
communityThe guide has been submitted by a WORKSHOP contributor and approved by a maintainer. It is accurate to the best of the reviewer's knowledge but has not yet been confirmed in the field by multiple contributors.
verifiedThe guide has been reviewed and confirmed accurate by an experienced maintainer with direct model knowledge.
field-testedThree or more WORKSHOP contributors have independently confirmed they followed this guide on a real vehicle and the repair was successful. Each confirmation is logged with the contributor's profile and date.
canonicalThe definitive guide for this procedure. Five or more field-tested confirmations, live for a minimum of 90 days, and no open issues. A canonical guide represents the current best knowledge on CFP1.
Quality tiers upgrade automatically as the community builds evidence.