Service Bulletin SB-11-0300 Replacing the Coolant with Pentosin CHF 11S PDF

A service bulletin that provides detailed instructions for replacing the coolant in certain Aston Martin vehicles with Pentosin CHF 11S. It outlines procedures to address a squeak from the steering column caused by insufficient lubrication. The document includes steps for draining and flushing the Power Assisted Steering (PAS) system, refilling it with specified fluids and additives, and testing the system to ensure proper operation. Diagrams and images are included to aid in the process, along with a list of parts and warranty information.