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Pretty cool video about CVT (continuously variable transmission)
Posted by: gadje
Date: July 02, 2022 08:30PM
Maybe a little longer than today's attention span, but the guy tears down one of these CVT and you can see how complicated it is. Change your CVT fluid, people!

[www.youtube.com]
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Re: Pretty cool video about CVT (continuously variable transmission)
Posted by: testcase
Date: July 02, 2022 08:58PM
Several decades ago, a transmission specialist told me that if owners simply did a transmission service once every 20,000 miles, transmissions would be problem free for hundreds of thousands of miles. A transmission service was to basically drain the fluid, drop the pan, clean (or replace) the fluid filter, reinstall the pan and fill with the recommended transmission fluid. Back then, such a service ran < $70. A small price to pay for a treble free transmission IMO. VERY few Service Manuals that owners receive say anything re transmission service. old fogey smiley
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Re: Pretty cool video about CVT (continuously variable transmission)
Posted by: mattkime
Date: July 02, 2022 09:13PM
This is my kind of youtube content. Also, not a fan of CVTs. Drove a couple when car shopping...its fine if you go slow and easy but if you want responsiveness you'll be disappointed.



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Re: Pretty cool video about CVT (continuously variable transmission)
Posted by: gadje
Date: July 02, 2022 09:28PM
if you want responsiveness, go EV. No tranny to worry about!
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Re: Pretty cool video about CVT (continuously variable transmission)
Posted by: Cary
Date: July 03, 2022 06:16AM
Quote
testcase
Several decades ago, a transmission specialist told me that if owners simply did a transmission service once every 20,000 miles, transmissions would be problem free for hundreds of thousands of miles. A transmission service was to basically drain the fluid, drop the pan, clean (or replace) the fluid filter, reinstall the pan and fill with the recommended transmission fluid. Back then, such a service ran < $70. A small price to pay for a treble free transmission IMO. VERY few Service Manuals that owners receive say anything re transmission service. old fogey smiley

Truer words were never spoken. This is true for all transmissions, not just CVTs. Service your transmission! We recommend 30k mile intervals.

And, don't forget the other fluids - differential(s), transfer case (if equipped (AWD/4WD)), brake fluid, coolant. Everyone does engine oil changes, but the other fluids need love, too.

We rebuild about 5 CVTs a week...
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Re: Pretty cool video about CVT (continuously variable transmission)
Posted by: pdq
Date: July 03, 2022 09:47AM
My son got an early Mini in the early 2000s. Fun car, but those CVT’s were famous for coming apart.

Couldn’t be repaired, only replaced. Cost was $5-8k, usually just out of warrantee. BMW was eventually forced to make a class-action settlement, years after my son had ditched this lemon for pennies.

I think they’ve improved since. Doesn’t matter to me.

Never again.
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Re: Pretty cool video about CVT (continuously variable transmission)
Posted by: lost in space
Date: July 03, 2022 10:18AM
Someone developed a CVT for F1 racing. It was weird, hearing the car going around the track with the CVT keeping the engine on the peak of the power curve while accelerating out of turns and on the straights. It was abandoned for poor reliability.







Edited 1 time(s). Last edit at 07/03/2022 10:19AM by lost in space.
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Re: Pretty cool video about CVT (continuously variable transmission)
Posted by: Bill in NC
Date: July 04, 2022 02:31PM
Quote
Cary
Quote
testcase
Several decades ago, a transmission specialist told me that if owners simply did a transmission service once every 20,000 miles, transmissions would be problem free for hundreds of thousands of miles. A transmission service was to basically drain the fluid, drop the pan, clean (or replace) the fluid filter, reinstall the pan and fill with the recommended transmission fluid. Back then, such a service ran < $70. A small price to pay for a treble free transmission IMO. VERY few Service Manuals that owners receive say anything re transmission service. old fogey smiley

Truer words were never spoken. This is true for all transmissions, not just CVTs. Service your transmission! We recommend 30k mile intervals.

And, don't forget the other fluids - differential(s), transfer case (if equipped (AWD/4WD)), brake fluid, coolant. Everyone does engine oil changes, but the other fluids need love, too.

We rebuild about 5 CVTs a week...

By doing the above the only transmission repair I've needed on our Chrysler minivan was a new solenoid pack at ~150,000 miles.
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Re: Pretty cool video about CVT (continuously variable transmission)
Posted by: Cary
Date: July 04, 2022 08:38PM
Quote
Bill in NC
Quote
Cary
Quote
testcase
Several decades ago, a transmission specialist told me that if owners simply did a transmission service once every 20,000 miles, transmissions would be problem free for hundreds of thousands of miles. A transmission service was to basically drain the fluid, drop the pan, clean (or replace) the fluid filter, reinstall the pan and fill with the recommended transmission fluid. Back then, such a service ran < $70. A small price to pay for a treble free transmission IMO. VERY few Service Manuals that owners receive say anything re transmission service. old fogey smiley

Truer words were never spoken. This is true for all transmissions, not just CVTs. Service your transmission! We recommend 30k mile intervals.

And, don't forget the other fluids - differential(s), transfer case (if equipped (AWD/4WD)), brake fluid, coolant. Everyone does engine oil changes, but the other fluids need love, too.

We rebuild about 5 CVTs a week...

By doing the above the only transmission repair I've needed on our Chrysler minivan was a new solenoid pack at ~150,000 miles.

Your Chrysler minivan uses a 62TE 6 speed automatic. Solenoid pack is a common repair. Keep changing the fluids regularly, but it won't last forever...
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