Buick ROADMASTER 1996 Owner Manual

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You can be injured and your vehicle could be damaged ll‘ you try,r to do service work on a vehicle without knowing enough about it.

C Be sure you have sufficient knowledge, experience, and the proper replacement

parts and tools belore you attempt any vehicle maintenance task.

lie sure to use the proper nuts. bolts and

other fasteners. "English" and "metric” fasteners can be easily eonl‘used. If you use

the wrong Fasteners+ parts can later break or full otT. 1lr'ou could be hurt.

tin-2

Fuel

Use regular unleaded gasoline rated at 3'? octane or higher. At a minimu m. it should. meet specifications ASTM D43 l4 in the United States and CGSE 3.5-M93 in Canada. Improved gasoline steeifientione ha it: been developed by the American Automobile Manufacturers Association tAAMM for better Ireliicle performance and engine protection. (in solinen meeting the MMA filteriliuulitm eould provide improved driveahitity and emission control fiyxmm protection compared to

other gasolines.

Bo l-iIJTIL' the posted octane is at least 8?. If the octane in less than $7". you ma}.r get u hear},- knocking noise when you drive. If it's had enough, it can damage your engine.

If you' re using fuel filled at 37' octane or higher and you still hear heavy knocking. your engine needs service. But don‘t worry if you hear a little pinging noise when you're aeoeieruting or driving up a hill. That‘s normal. and you dorfl have to buy a higher octane fuel to gel rid of pinging. it’s the heavy. constant knock that means: you have a problem.

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