Vehicle Service Bulletins
Chek-Chart publishes the Quick Lubrication Guide and Automatic Transmission and Gearbox Fluid Service Guides. In addition to the annual publications, Chek-Chart releases information bulletins containing timely corrections and clarifications. We post select bulletins here on our site by category for your convenience along with bulletins from ISI and vendors that are important for servicing motor vehicles.
General
Motor Specifications Bulletin – April 6, 2016 – Download PDF »
Capacities
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Filters
TSB CH10515 & CA10661 Oil Filter Notice – June 21, 2017 – Download PDF »
TSB VO-105 Oil Filter Notice – January 4, 2017 – Download PDF »
05 GMC Yukon Denali Incorrect Oil Filter – July 1, 2016 – Download PDF »
Valvoline TSB – February 4, 2016 – Download PDF »
POF4612 PrimeGuard Spin-on Oil Filter – February 3, 2016 – Download PDF »
POF5436 Prime Guard Cartridge Oil Filter – February 3, 2016 – Download PDF »
Service Champ Oil Filter Notice – November 5, 2015 Download PDF »
Toyota Oil Filter Notice – February 14, 2007 Download PDF »
Fluids
MOTOR Specifications Info Bulletin – August 2, 2010 Download PDF »
Service Intervals
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