CVT Transmission Pressure Tests
CVT Transmission Pressure Tests
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The procedures presented here are specific to the Jatco Nissan Sentra CVT
transmission. However, these procedures can be effected on any CVT, with
the difference being the pressure ports change. Any service manual, will
show you the proper ports for the CVT you're working on.
Your first tool of choice, is a high pressure gauge, or high pressure
electronic transducer. You can also use an oscilloscope, or even better, a
graphing multi meter to record the pressure waveforms. Finally, we'll also
present a little known device, but with great usefulness. It is called, a
duty cycle controller circuit. These duty cycle circuits are now sold at
many electronic houses, and can be used to control any electrical solenoid.
Most, but not all of them, have variable voltage settings. In our case,
we'll use 12 volts.
Assuming you'll be using a pressure gauge, use the diagrams seen here, to
connect the gauge. Start the engine, and raise the vehicle up in the air,
using a shop lift. If not using a lift, do not go under the car with the
engine on. Remember that each time we change to a different pressure port,
we have to turn the engine off, since the ports are ... Get the whole story
right here in this video... Enjoy...
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200-R4 Governor and accumulator spring
The project continues to refine so to speak the overdrive 200-R4
transmission retrofitted to a 1972 Oldsmobile Vista Cruiser. Cleanliness
and patience, and being flexible too when working in cramped conditions
helps with these sort of projects. The softer shift (will still be more
firm then stock, as there is a shift kit in this transmission) will not be
detrimental to the 2nd band as it is a Kevlar one, and there is a large oil
cooler fitted to the transmission lines as well. The dust cover for the
torque converter will finally be fitted too when all is said and done.
700R4 Torqe Converter Lock Up Wiring
I've learned a lot over the winter rebuilding my Chevy automatic
transmissions. Thanks a bunch to Michelle for letting me take over the
basement all winter and putting up with the musk of burnt tranny fluid. I
feel much better about my automatic Astro van now, knowing I can fix the
transmission, should I burn it out. Before it was like "when's this trans
going to go?" and I would always be on the look out for a new van, or have
a back up truck ready to go. Now I will have a back up automatic
transmission built and ready to install.
I didn't really film the rebuilding, cause honestly I didn't know what I
was doing, and it took about 6 months, hour here, hour there. Next one I
will film, with short cuts, to show what you most likely get with a $800
I did a few mods to the automatic transmission to make it hold up better
towing the 4500lb electrical trailer. Those mods are going to cost me more
work on the install, because I will have to mess about pulling the
governor, and modifying the governor, to get the shift rpms back to where
they were before the higher pressures and bigger valves. I have 2 videos
covering the mods I did here.
Overdrive Transmission - How to test the Wiring
There are 3 or 4 switches in the wiring to get your overdrive to engage. If
any one of those has failed your overdrive won't engage. In this video we
will run you through the steps to test the wiring going to your overdrive.
RE Master Solenoid Kit Install
Basic Dis-Assembly Automatic Transmission Valve Body
This Covers All the Below Dodge & Jeep Automatic Transmissions:
A500 , 42RE , 44RE
A518 , 46RE
A618 , 47RE
Transmission Repair - GM 4L60-E Transmission Re-Assembly (Rebuild)
On this video we go through the re assembly of a 4L60E Transmission. I
tried to make this video shorter for you so I skipped the bushing
installation and installing the bolts on the valve body. But you can go to
the teardown video for reference on where each bolt goes, since they're
different sizes. I will make a follow up video on bushing installation.
Monster Transmission Testing Process - The Monster Way
Monster Transmission tests every transmission for your piece of mind.
We run several test vehicles to test our transmissions. Under actual life
driving conditions we are able to accurately monitor line pressure,
temperature, shift points and shift firmness. We use various gauges to
really get a good look and idea to see whats going on inside of the
For our higher performance applications Monster Transmission is the only
transmission company in the world that tests their cars on a chassis Dyno. This allows us to
test our transmissions at speeds that we would not be able to run on the
As you can see we have a very thorough and lengthy process for building a
Monster Transmission. A transmission is a vital part of your drivetrain so
we have many checks and balances in place to make sure we live up to our
High Quality claim. We want to help protect your investment and provide you
with a transmission that shifts better, and lasts longer!
We know it isn't the easiest way, but it's the Monster way!
Looking for a Transmission? Check us out a http://MonsterTransmission.com
Or Give us a Call: 800-708-0087