Question about 1988 Chevrolet C1500
If all is well with linkages check your TV cable this controls line pressure within your tranny as well as shift points, if there is slack or not under tension when truck is running you need to adjust the TV
Posted on Aug 04, 2009
Good place to start, Make sure all cables & linkages at transmission are moving freely, especially kickdown. Spray with penetrating spray if appear stiff. With vehicle off & in park, have someone push gas pedal to floor & you watch linkages at transmission to see what they do, then when gas pedal released slowly, watch again where they return to & see if a little force (by hand) will move them in that direction a little further. If they do appear stiff or slightly seized, that's where you want to spray. then work it until it comes all the way back itself, then try it & see if it's any better.
Posted on Jul 01, 2009
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Posted on Jan 02, 2017
transmission shift solenoid is stuck open this is a common vehicle issue in automatics and not particular to any make or model vehicle 15 dollar part and arm and leg for labor if taken in
heres an idea to try
take out the transmission filter and replace with new one make sure to take not of any metal debry in trans pan this indicates the trans had sheered its gears down and a trans rebuild is needed
the transfilter needs to be changed at a certain milage interval they can get clogged up
there is a kit you buy for your truck at any parts store
its an easy change hour of time unbolt trans pan unbolt trans filter and put new one in
kit comes with new seals less than an hour you can do it yourself
to overdrive you would feel a difference in shift badley if it was that something to keep in mind
Posted on Dec 06, 2008
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