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Transmissions and Drivetrains

Transmission and drivetrains refer to a group of components found in a motor vehicle that produces power. The transmission usually comes with multiple gears and has the capacity of switching between them as speed of the vehicle changes.

5,492 Questions

How do you know when your transmission is going bad?

It slips when you accelerate, the engine over revs going up steep hills, won't back up steep inclines, takes a long time to change up. -Any of those things mean you need to give it some attention now.

How do you adjust the linkage on thewastegate actuator gt28rs?

REMOVE the pin from the actuator rod to the wastegate

turn the rod adjusment nut little by little.... this WILL raise boost if you make it shorter AND WILL lower boost if you make it longer

How much gear oil does a borg warner super t 10 hold?

Both the vintage Borg-warner and the newer Richmond gear Super T 10 both have a capacity of 2.4 pints or you can just fill it till you can just touch the gear lube with your pinky through the fill hole.

How do you remove an automatic transmission from a 1997 Nissan Altima?

the motor and trans must be lowered thru the bottom of the car. repair manual goes into detail . it took me 10 hours to complete with new motor install. remove all wireing harness assemblies and label.remove cover plate on bottom of bellhouseing ,this gives access to 4 bolts connecting the torque converter . turn crankshaft pully to rotate and access all 4 bolts.remove bellhouseing bolts and pull motor from trans. almost everything under the hood has to be taken apart and disambled.get the book! radiator,exhaust,motor mounts,altranator.powersterring ,wireing harness,cv half shafts. lower the motor with a cycle lift and jack the car up, block and pull the motor and trans out to disassemble. bag and label all bolts tag and label all parts and wire connections. most shops charge 600. bucks to do this and its well worth the money. this is a big job

You DO NOT HAVE TO REMOVE THE ENTIRE ENGINE. The transmission can be removed by itself .

1986 iroc 305 5.0 that wont shift into 3rd what could be wrong?

low line pressure. take it to a transmission shop have the system flushed.(cooler, lines, transmission) new filter and fluid. tranny shop may also recommend a rebuild/replacement.

Why is the transmission is jumping out of gear after warming up and if you accelerate it will go but hardly has any power and makes a whining noise when idling?

Assuming this is an auto box, check the fluid level first. After that check the fluid filter and pump. Then the brake bands. Then the torque converter. If a manual box it's either the layshaft bearings or synchro cones. A transmission shop will tell you for sure.

Why would the starter just spin when you try to start the car?

the sprag clutch ( overrun gear ) is gone and needs to be replaced

a new part can be bought but normally the complete starter is changed

in some cases squirting diesel oil on the sprag clutch can cure the problem

but it normally reoccurs again

What should you do with a D4 transmiton gear light flashing?

If the D4 transmission gear light is flashing, it typically indicates a problem with the transmission system. First, check the transmission fluid level and condition, as low or dirty fluid can cause issues. If the fluid is fine, it’s advisable to consult the vehicle's manual for specific guidance and seek professional diagnostic help, as continued driving could lead to further damage. Avoid driving the vehicle until the issue is resolved to prevent potential transmission failure.

You recently took your car in for a tune up transmission service your transmission was leaking a week later the engine light came on and wouldn't shift out of second after it was fixed whats wrong?

If they worked on the transmission there should a warranty period.
Call them, then take it back and make them fix it. Good Luck and Remember.
Change Your Mind, Not Your Oil.
Use the First In Synthetic Motor Oil's.
See My Bio For more information. If the transmission is leaking and it won't shift, try checking the transmission pan and filter. They might not have replaced the gasket or filter.

What is wrong with your transmission when it takes a while to shift into gear?

Most Likely needs time to warm up. Oil is thicker when its cold so Lubrication between gears can be harder.

1988 Honda prelude 4ws auto transmission stuck in second gear when coldbut shifts well when warmwhat could be the problem?

drain the box and change the oil is this dosent work try changing out the auto solenoids if they are available cheap otherwse there is not much you can do but bring it to a Honda agent and expect to pay big bucks for the fix.

What would happen if you accidentally put one gallon of mercon 3 into 98 e150 trans that takes mercon 5?

there are addditives at the local autoparts store you can use to raise the fluid . get the kind that prevents shuddering

What color is darker between brown and green?

Brown is the more darker color because of its texture. Just like a tree is darker than grass.

What is the average cost for a reseal job on an automatic transmission?

An Average cost on this repair is about $140-$150. The price could drop or raise based on the worker, shop and other charges and taxes.

On a '91 Chevy Cavalier automatic what causes the excessive vibrating when the car is in Drive or Reverse but not when in Park or Neutral?

It sounds like your plug wires are grounded to the engine block. IE.... melted somehwere along the exhaust route and grounded, noticeable when you put it in gear......

I don't think so, i have a 1993 cavalier 2.2L auto, which does the same thing, i put new plug wires on it about a month ago, and it still has the same vibration.

I would check your motor mounts. I had a 90 Sunbird and now have a 91 Cavalier, both of which had this problem. When you pull up to a stop light the whole car vibrates rather aggressively, but is calmed when the car is put into park or neutral. In both cars the motor mounts were bad causing the motor to jostle inside the engine compartment, but when you are actually driving the engine is torqued against the mounts and ceases to rattle. On the 2.2 there are 4 mounts, Right Front (by the engine coolant overflow tank), Right Rear (right above the trans axle), Left Front (looks like a dog bone on the bottom by the radiator) and the transmission mount (on top on the left by the wheel well).

Last night I replaced the right front and right rear and this solved my problem.