Please to be rephrasing, sir. Your query is lacking in details.Okay, so after googling around, i'm unable to find a definite answer.
Is it okay to switch between Drive and Overdrive or will that hurt your tranny :lol:
sorry for the noobness
On most modern automatics, shifting into "D" from "OD" just tells the transmission computer to lock out the highest gear (which you'd only really want to do if climbing a steep grade or towing), so nothing mechanically happens when you shift the lever. If you engage "D" while in the highest gear, it'll just downshift. Even if the engine over-revs in the downshift, it'll likely hit a rev limiter and it'll be okay.Wikipedia said:OverDrive (D, OD, or a boxed [D])
This mode is used in some transmissions to allow early computer-controlled transmissions to engage the Automatic Overdrive. In these transmissions, Drive (D) locks the Automatic Overdrive off, but is identical otherwise. OD (Overdrive) in these cars is engaged under steady speeds or low acceleration at approximately 35-45 mph (56-72 km/h). Under hard acceleration or below 35-45 mph (56-72 km/h), the transmission will automatically downshift. Vehicles with this option should be driven in this mode unless circumstances require a lower gear. (emphasis added)
:agreed:http://en.wikipedia.org/wiki/Overdrive_(mechanics)
Automatic transmission - Wikipedia, the free encyclopedia
On most modern automatics, shifting into "D" from "OD" just tells the transmission computer to lock out the highest gear (which you'd only really want to do if climbing a steep grade or towing), so nothing mechanically happens when you shift the lever. If you engage "D" while in the highest gear, it'll just downshift. Even if the engine over-revs in the downshift, it'll likely hit a rev limiter and it'll be okay.
Me too. :lol:Oh, I forgot: we have a car forum now. :lol: I was sure this was an amplifier question.
Yep. The only time I do is when I'm horsing around some windy roads.:agreed:
There's almost no reason to switch out of OD for normal driving.
I'm driving my older truck now since my current one has a blown tranny :ugh: :lol::agreed:
There's almost no reason to switch out of OD for normal driving.
You shouldn't have to do that. It should knock itself into 3rd gear from 4th (the overdrive gear) when appropriate. It may not shift exactly when you want it to, but a quick pump of the gas should knock it into 3rd to accommodate your desire to downshift. Unless something's wrong with it.I'm driving my older truck now since my current one has a blown tranny :ugh: :lol:
Anyway, it's a 94 Chevy S-10 that sat around for a few years at my folks house. I have it again now but it's really weak going up big hills interstate/highways so I have to downshift to D. Otherwise, once after I can go back to OD.
I'm just concerned that doing this won't mess the tranny up.