Here is a guide to accessing technical information for your vehicle: Free Resources for C4 Picasso Technical Data Auto-Doc Club
For complete engine rebuilds or complex electrical repairs, you may need the full RTA, available for purchase or legally licensed in PDF through: Aide Technique Auto TMB Bookshop Telecharger Revue Technique Citroen C4 Picasso Pdf Gratuit
Offers free PDF, illustrated, step-by-step repair manuals for both C4 Picasso I (UD) and II. Here is a guide to accessing technical information