High Quality TU-3A01 thermal wax actuator for electric switch valve for Turkey Manufacturer
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High Quality TU-3A01 thermal wax actuator for electric switch valve for Turkey Manufacturer Detail:
1. Operation Principle
The Thermostatic Wax that has been sealed in shell body induces expansion by a given temperature, and inner rubber seal part drives its handspike to move under expansion pressure to realize a transition from thermal energy into mechanical energy. The Thermostatic Wax brings an upward movement to its handspike, and automatic control of various function are realized by use of upward movement of handspike. The return of handspike is accomplished by negative load in a given returned temperature.
2. Characteristic
(1)Small body size, occupied limited space, and its size and structure may be designed in according to the location where needs to work.
(2)Temperature control is reliable and nicety
(3)No shaking and tranquilization in working condition.
(4)The element doesn’t need special maintenance.
(5)Working life is long.
3.Main Technical Parameters
(1)Handspike’s height may be confirmed by drawing and technical parameters
(2)Handspike movement is relatives to the temperature range of the element, and the effective distance range is from 1.5mm to 20 mm.
(3)Temperature control range of thermal wax actuator is between –20 ~ 230℃.
(4)Lag phenomenon is generally 1 ~ 2℃. Friction of each component part and lag of the component part temperature cause a lag phenomenon. Because there is a difference between up and down curve of traveling distance.
(5)Loading force of thermal wax actuator is difference, it depends on its’ shell size.
Product detail pictures:

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This is a quick time lapse video of me replacing the solenoids on my 2004 545i transmission valve body. Sorry, I had the resolution set as high as it would go on my camera on accident, so I ran out of memory card space before I got all the way through this. I was originally going to show a lot more detail on taking the valve body/mechatronics apart and how the replace the solenoids & reinstall everything. Hopefully this still helps someone though.
Typically BMW will tell you to replace the entire transmission when there are any issues or at the very least, sell you an entirely new valve body/mechatronics unit at the cost of a kidney on the black market. If you’re a decent DIY’er you might have even found rebuilt mechatronics/valve bodies online for $1500 or so. Most common issues can be resolved with just new EDS solenoids (pressure regulating solenoids), which can be found on the internet. I got mine from thectsc.com in one of the kits for under $500.
My issues were slow going into reverse (3 to 4 seconds), jerky shifts, especially 3 to 2 and 5 to 6, and transmission errors under hard acceleration during a 4 to 5 shift. All issues have been resolved. I can barely tell when it even shifts anymore it’s so smooth now.
Oh, and mine has 181K MILES ON THE ORIGINAL TRANSMISSION. The hard parts of these transmissions are great, it’s the solenoids that fail early due to BMW’s “lifetime transmission fluid” joke.
MAKE SURE YOU RESET ALL OF THE ADAPTATIONS IN INPA BEFORE DRIVING THE CAR. Do not rely on the “hold the accelerator to the floor with the engine off for 30 seconds” trick. It has never worked like a real reset for me.
Please comment with any questions. Its a pretty simple job, just messy with all the transmission fluid that keeps dripping out.
Update:
INPA software link: https://bmwcoders.com/forum/bmw-gt1-ops-opps-inpa-24/bmw-inpa-ediabas-installation-manual-software-328/
Compatible cable:
https://www.one-stop-electronics.com/shop/index.php?dispatch=products.view&product_id=16
Pictures of seal between valve body / oil pump:
https://www.thectsc.com/images/products/0501%20219%20952%2001.jpg
https://i260.photobucket.com/albums/ii29/GearShift2008/6HP26/Bridgeseal.jpg
https://i260.photobucket.com/albums/ii29/GearShift2008/6HP26/Valveblockremoved.jpg
Full specification for cars V 250 L AVG EditionSpecial Edition
In a fixed configuration:
Modification: 44781313
Wheelbase, mm: 3200
Wheel formula: 4X2
Maximum engine power, hp 211
Tires (in axes):
1st: 2 x RG7 – Complete set of tires with dimensions 225/55 R 17
2nd: 2 x RG7 – Complete set of tires with dimensions 225/55 R 17
Standard equipment:
Decorative door thresholds with illumination
Suspension bracket AGILITY CONTROL
Steering column adjustable in flight and tilt angle
Steering wheel with leather trim
Multifunctional steering wheel
Bumpers, lining, radiator grille in body color
Roof rails, anodized
Start-off Assist
Speaker system Burmester
Rechargeable battery for extreme conditions 12 V 95 Ah
Comand Online
Two-way speakers rear and front
12 V socket for rear row of seats, left and right
DISTRONIC PLUS system
3 years of free navigation map updates
Parking bag with a camera
Active Parking Assistant
Heated glass washer system
Rearview mirror, automatically foldable
Lockable glovebox
Rear-view mirrors with electric adjustment and heating
Interior mirror with automatic dimming
Chromed ignition key
Central console with storage compartment
Removable coasters in the rear side panels
Instrument panel with leather trim with stitching
Decorative finish “Exclusive”
Mirror package
Mirrors with illumination on sun visors
EDW II signaling with volume sensor and tow-away protection
Comfortable opening / closing of doors with infrared remote control
Automatic transmission 7G-TRONIC PLUS
The channel of giving of warm air in passenger department
Heated front passenger seat
Heated driver’s seat
Atermal glazing
Automatic climate system Thermotronic
Additional climate control system in the rear of the cabin Tempmatik
Base
Passenger Seat Belt Indicator
The indicator of a level of a washer fluid
Road signs control assistant
The function “blind zones”
Rain sensor
Dashboard with color display
PRE-SAFE system
Driver Assistant Package
Panorama camera
Hold in the lane
Attention Assist System
Service interval 25 000 km
Increased fuel tank
Fuel filter with water separator
Backlight thresholds
Comfortable interior lighting
Comfortable overhead control panel
Illumination of the output in the rear-view mirrors
Lamps for reading in pens in the passenger compartment
Backlight in the legs, front
Lifting door lighting
Adaptive Stop Lights
ILS Lighting System
LED rear light and brake lights
Ecological class car Euro 5b + gr. I
Engine M274 DEH 20 LA, 155kW (211ps) 5500rpm
Generator control
External Sport Package AVANTGARDE
Design interior package AVANTGARDE
Tires without manufacturer’s specification
Tire size 225/55 R17
Light alloy wheels 7J x 17, 20 spokes
Comfortable tires
Summer tires
Spare wheel with jack
Airbag for front passenger
Ventilation of the driver’s seat
Ventilation of the front passenger seat
Lumbar support for the front passenger seat
Lumbar support for driver’s seat
Driver’s seat electric drive
The electric drive of a passenger seat
Thorax side airbags on the driver’s side
Side airbags Thorax from the front passenger side
Side airbags
Luggage net on the back of the driver’s seat
Luggage net on the back of the passenger seat
Sliding door lock in open position
Sliding door swivel
Electric Actuator for Right Sliding Door
The electric drive of management of the left sliding door
Locking passenger doors for child safety
Internal sliding door handrail
Armrests in the passenger compartment
Quick Seat Installation System
Comfortable 3-seater seat 2 rows with fold-out external seat
Single front left seat
Single right seat of the first row
Carpet covering in the passenger compartment
Sheathing of the ceiling
Floor carpeting in the driver’s compartment
Clutches on the backs of the rear single seat
Table equipment package
Roof covering, black
Handle for the rear of the load compartment
AVANTGARDE performance line
Nappa leather, brown
The window is hard (not open) in front left
Window hard (not open) front right
Window not opening back
Door with a swinging window
The rear door with the electric drive
Tinted rear window, black
Weight version 3.100 kg
Posters / booklets in Russian
Model number 0
Folding table
Sports pedals
Luggage compartment separator
Special suspension for a bad road
Registration in the EU as a car
Registration outside the EU
Post-warranty service package for the 3rd and 4th years
Coloring:
“Metallic”
It is possible to install other additional equipment while storing fixed-configuration codes.






