Service Tech Tips
Contents
1. Fleet amp Commercial CHEVROLET BUICK GMC CADILLAC Tech Tips LPG Powered Vehicle Scheduled Maintenance G Van When the Change Engine Oil Soon Message Displays e When the CHANGE ENGINE OIL SOON message displays service Is required for the vehicle as soon as possible within the next 600 mi 1 000 km The engine oil and filter must be changed at least once a year and the oil life system must be reset Your dealer has trained service technicians who will perform this work and reset the system If the engine oil life system is reset accidentally service the vehicle within 3 000 mi 5 000km since the last service Reset the oil life system whenever the oil is changed Every Engine Oil Change Change engine oil and filter Reset oil life system An Emission Control Service Engine coolant level check Engine cooling system inspection Visual inspection of hoses pipes fittings and clamps and replacement if needed Windshield washer fluid level check Windshield wiper blade Inspection for wear cracking or contamination windshield and wiper blade cleaning if contaminated Tire inflation pressure check Tire wear inspection Rotate tires if necessary Fluids visual leak check or every 12 months whichever occurs first Engine air cleaner filter inspection Brake system inspection or every 12 months whichever occurs first Steering and suspension inspection Visual inspection for damaged lo2. vehicle In addition the LPG system requires the following every 30 000 mi 48 280 km e Replacement of the fuel fill filter e Replacement of the in line fuel filter three tank system only Warning The tank shields protect the LPG tank in a crash and from road hazards Removal of the shields may result in tank damage that could result in rupture or possible explosion of the tank You or others could be injured or even killed If you must remove a tank shield for any reason e g tank inspection or vehicle repair always reinstall the shield before operating the vehicle For more details on GM Liquefied Petroleum Gas LPG systems please refer to your user manual supplement
3. ose or missing parts or signs of wear Lubricate the front suspension kingpin bushings steering linkage and rear driveline center splines Body hinges and latches key lock cylinders folding seat hardware and rear compartment hinges linkage and handle pivot points lubrication Restraint system component check Fuel system Inspection for damage or leaks Exhaust system and nearby heat shields inspection for loose or damaged components Vehicles with diesel engine or GVWR above 10 000 lbs 4 536kg only heat shields inspection for damage or looseness ADDITIONAL REQUIRED SERVICES At the First 100 mi 160km 1 000 mi 1 600 km and 6 000 mi 10 000km e For vehicles with dual wheels Check duel wheel nut torque Every 7 500 mi 12 000 km e Rotate tires Every 30 000 mi 48 280 km e Replacement of the fuel fill filter e Replacement of the in line fuel filter three tank system only At Each Fuel Stop e Engine oil level check e Engine coolant level check e Windshield washer fluid level check Once a Month e Tire inflation pressures check e Tire wear inspection Once a Year e Accelerator pedal check for damage high effort or binding Replace if needed e Underbody flushing service e Hood Decklid Liftgate Liftglass Support Gas Strut Service Visually inspect gas strut First Engine Oil Change After Every 50 000 mi 80 000 km e Engine air cleaner filter replacement e Automatic transmission fl
4. uid change severe service for vehicles mainly driven in heavy city traffic in hot weather in hilly or mountainous terrain when frequently towing a trailer or used for taxi police or delivery service e All wheel drive only Transfer case fluid change severe service for vehicles mainly driven when frequently towing a trailer or used for taxi police or delivery service e Evaporative control system inspection First Engine Oil Change After Every 100 000 mi 160 000 km e Automatic transmission fluid change normal service e All wheel drive only Transfer case fluid change normal service e Spark plug replacement and spark plug wires inspection First Engine Oil Change After Every 150 000 mi 240 000 km e Engine cooling system drain flush and refill or every five years whichever occurs first e Engine drive belts inspection for fraying excessive cracks or obvious damage or every 10 years whichever occurs first Replace if needed Se Galt inn GM Tech Tips LPG Powered Vehicle Scheduled Maintenance G Van LPG vehicles are designed for routine maintenance fluids filters etc according to the original specifications as provided in the owner manual for gasoline fuel vehicles See the owner manual for maintenance service intervals and fluid specifications See your dealer or other qualified repair facility for required service and maintenance Your dealer has the necessary training and parts to repair the
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