1998 silverado z71 manual transmission

This is a diesel pick up it has a 6.5 liter diesel I dont know what type of tranny. Here about a week ago it started shifing funny while driving about 50 mph then it started doing to at any speed above 45 it down shifts then up shifts and sometimes a bunch then sometimes not at all I had the fluid and filter changed didnt figure I had much to loose. HomePage Transmission Repair Manuals & Rebuild Parts Automatic Transmission Look-Up Table Chevrolet / GMC / GEO Transmission Look Up Table Chevrolet/GMC/Geo Model The Chevrolet Silverado, and its mechanically identical cousin the GMC Sierra, are a series of full-size and heavy-duty pickup trucks manufactured by General Motors and introduced in 1998 as the successor to the long-running Chevrolet C/K line. The Silverado name was taken from a trim level previously used on its predecessor, the Chevrolet C/K pickup truck from 1975 through 1998. Find Chevrolet Chevy at the best price. We have 154 cars for sale for 1998 chevrolet chevy z71, from just $3,995 The all-new Silverado offers bold, fluid design along along with enhanced aerodynamics. But it's more than just a good-looking truck with the most functional bed of any pickup. † With eight distinct trims, six powertrain options — including an all-new 3.0L Duramax ® Turbo-Diesel and a powerful 6.2L V8 with Dynamic Fuel Management — and an available industry-first power up/down Re: 99 Silverado 1500 Z71-transmission issues the plow truck at my old work has a 80. that is the largest pile if fail ever. it lasts on season then goes back to the dealer for a rebuild or a replacement. Find 1998 Chevrolet Silverado 1500 for Sale. Find car prices, photos, and more. Locate car dealers and find your car at Autotrader! Save $1,686 on a 1998 Chevrolet C/K 1500 near you. Search over 600 listings to find the best local deals. We analyze millions of used cars daily. transmission fluid capacity for 1998 Z71 4 x 4 off road 350 - recommended transmission type and capacity