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Kia Sephia Sporty


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#101 Loyale 2.7 Turbo

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Posted 16 July 2012 - 10:36 PM

The Four Speed Electronic Automatic Transmission (4EAT) found on the Kia Sephia, has Two Speed Sensors; one is the "Vehicle Speed Sensor" and the other is the "Turbine Speed Sensor".

The Vehicle Speed Sensor sends the Speed Reading to the Speedometer and feedback the Transmission with the Vehicle's Speed, in order to Aid the Transmission's Computer to do the Proper Shifts for the current vehicle's Speed. The Vehicle Speed Sensor works with Gears and transform the Spin movement to electronic readings.

The Turbine Speed Sensor is Feedback for the Transmission itself and it is Gearless, it works with acoustic Signals.

Here, you can easily find where are they Located on the Second Gen ('98 ~ '01) Kia Sephia.



(however, this info Might apply to other vehicles that has the Same Transmission, use it at your Own Risk)


#102 TheLoyale

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Posted 16 July 2012 - 10:36 PM

Obsoletely! I always change oil when it is at operation temperatures (Motor oil, Gear oil, ATF) It surely helps remove more dirt when hot, that may not come out when the oil is cool.

Be Careful when you remove the Old, Dirty ATF oil with the Seafoam "Trans-Tune" detergent, because is better to do that while the ATF is still at Normal Operating Temperatures ... which means it could be Very Hot and Dangerous.



#103 Loyale 2.7 Turbo

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Posted 16 July 2012 - 10:36 PM

[CENTER]Here is a Diagram...


Posted Image


...and Here is a Photo...


Posted Image

Of both Sensors' Placement.



#104 Loyale 2.7 Turbo

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Posted 16 July 2012 - 10:37 PM

The Vehicle Speed Sensor...


Posted Image


...I have to Change it, because it was Failing...


Posted Image


Posted Image


...here is How the Trans Look without it...


Posted Image



#105 Loyale 2.7 Turbo

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Posted 16 July 2012 - 10:38 PM

... I Went to the Local Kia Dealer and purchased a brand new...


Posted Image


...Vehicle Speed Sensor for my Kia, This is the Part Number on Kia...


Posted Image


...Remember that I Wrote that Kia shares a Lot of Parts with other Brands?

Here is the Same part Number, but found on the Hyundai Dealer...


Posted Image


...it was more expensive, so I Choosed the Kia one. ;)



#106 Loyale 2.7 Turbo

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Posted 16 July 2012 - 10:39 PM

Here you can see, Side by Side,

the Old one (Just Removed) and the New one, together.


Posted Image



#107 Loyale 2.7 Turbo

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Posted 16 July 2012 - 10:40 PM

The Turbine Speed Sensor (TSS)

 

used on the Sephia's Automatic  Transmission:
 

TransmissionSpeedSensorTSS.jpg

 

 
it also sends the RPM's Signal for the Tachometer

 

and the Computer, to control shifting behaviour.

 

it is located below the Air Filter Box...


HPIM1268.jpg


... I Removed it for ...

HPIM1275.jpg


... Clean it, its wirings' plug, and ...

TurbineSpeedSensor2.jpg


...do an Electronic Test of it, as Follows:


TurbineSpeedSensorResistance.jpg


the Resistance should be Between 300 and 400 ohms, 

 

The TSS on the "KiaStein" was Alright.


Edited by Loyale 2.7 Turbo, 22 July 2014 - 03:53 PM.


#108 TheLoyale

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Posted 16 July 2012 - 10:40 PM

Does this sensor tell the Transmission when to enter "Torque Converter Lock-up" to produce "Over-drive"? As Over-Drive usually engages at high-way speeds of 50-55mph+ with steady throttle.

The Turbine Speed Sensor is Feedback for the Transmission itself and it is Gearless, it works with acoustic Signals.


Edited by TheLoyale, 16 July 2012 - 10:44 PM.


#109 Loyale 2.7 Turbo

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Posted 16 July 2012 - 10:42 PM

Well, somehow yes... but remember that the 4EAT has its own ECU that electronically controls everything on the Transmission.

Both Speed Sensors are attached to the Transmission by a single M 10 Screw, found on each sensor.

Edited by Loyale 2.7 Turbo, 16 July 2012 - 11:15 PM.
Mispelled Word, Fixed! ;)


#110 Loyale 2.7 Turbo

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Posted 16 July 2012 - 11:22 PM

SOLVED!

The O/D Blinkin' Light and the Check Engine Light Dissapeared, also my Sephia's Speedometer Works Fine.

Now the Speedometer stays Rock Solid on the Number, and Goes Up or Down with Speed.

So, That's it!
;)

How could I describe "Smoother than Smooth"?

Some days ago, my dad was talking with me about my recent repair jobs, and talking about the Sephia's automatic transmission, he said that there is a small amount of the Old ATF Oil plus the Seafoam "Trans-Tune" Detergent that remains on the Trans, and he said that I should remove a Quart of the New Oil and pour a Lucas a special Automatic Transmissions' Oil Additive.



A day after that, my dad gave me, as a Gift; a Bottle of This:


Posted Image


Lucas' Automatic Transmissions Fix Oil Additive.



I Removed a Quart of the ATF Oil and Poured it on the Sephia's 4EAT...

The Thing Runs even Smoother than ever.

Kind Regards.


#111 Loyale 2.7 Turbo

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Posted 16 July 2012 - 11:28 PM

I've Uploaded a Video of my Wife's Kia Sephia Runnin' on Unpaved villages' Roads around mountains...

You can see it ~► Here. ;)

Kind Regards.


#112 Loyale 2.7 Turbo

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Posted 29 July 2012 - 12:16 AM

As I Said...

... I had to use the Sephia's engine Valve Cover, because the Spectra's engine came without the Oil filler Cap, and the Older cap does Not match the New one.


...but that is not a Good Idea after all.

Why? ... Well, the Valve Cover of the Sephia engine worked on the Spectra Engine, but after the first moths of use, I Noticed that it "Sweated" oil from the Gasket between the Valve Cover and the Head...

That is not exactly a "Leak" but the engine had somehow to accumulate some oil around that area, so after six months of use, I Changed the Gasket between the Valve Cover and the Head.


#113 Loyale 2.7 Turbo

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Posted 29 July 2012 - 12:17 AM

This is How the Spectra engine Looked like, with the Sephia engine's Valve Cover:

Posted Image


Also I Changed the PCV Valve on the Sephia's cover...


Posted Image


...which is Plastic and has a Rubber O-Ring to fit it to the Cover.



#114 Loyale 2.7 Turbo

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Posted 29 July 2012 - 12:17 AM

The Spectra engine on my Wife's Sephia has been Working flawlessly since the Swap, that Oil sweat is not a big issue... but it started to show again, even with the brand new Gasket; after all these months.

Maybe the tolerances & measurements are not completely identical between the Sephia's Valve Cover and the Spectra's Valve Cover; so I Decided to Buy another Brand New Valve cover's Gasket and the Missing Oil Filler Cap for the Spectra's engine original Valve Cover, and do the Install.


#115 Loyale 2.7 Turbo

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Posted 29 July 2012 - 12:19 AM

So, today's afternoon, I Removed the Sephia's Valve Cover from the Spectra engine...


Posted Image


...here you can see the Sephia's Valve Cover, just removed;

also the Gasket that has white tint is the one that I've placed some months ago, the white thing is Silicone.


The other Gasket is the one that the Spectra's Cover had when I removed it during the Engine Swap.



Also I Removed the Old Sparkplugs that I Installed since the Engine Swap; all of them looked like this one:


Posted Image


I Use Denso "U-Groove" Twin Electrode Spark Plugs, I placed a fresh set of the Same ones there.

Part Nº K16TR11 (3194)

~► Amazon.com: Denso (3194) K16TR11 Traditional Spark Plug, Pack of 1: Automotive


I Know the T8D engine shall use the K20TR11 Sparkplugs, but I have not found them here... Yet.




And this is the Brand New Oil Filler Cap, with its part Number, as it came from the Dealer:


Posted Image



#116 Loyale 2.7 Turbo

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Posted 29 July 2012 - 12:20 AM

Finally, this is How the Engine Looks like, with its Original (Spectra) Valve Cover:


Posted Image


This valve cover fits better...

is the Original one and the Spectra's engine has a Better Designed PCV Valve:

Fully Metallic and it Screws directly on a metallic thread to the Cover. :D


Also I Painted the Plastic Cover with Rustoleum Special Enamel for Plastics.

~► RustOleum.com

Kind Regards.



#117 TheLoyale

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Posted 29 July 2012 - 11:52 AM

Wow that sparkplug looks horrible! But the Valve cover looks nice! :headbang:

Is that a Transparent PCV hose!?

#118 Loyale 2.7 Turbo

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Posted 29 July 2012 - 12:41 PM

Thank you!

and yes, it is a Transparent Bluish PCV Hose. :D

Kind Regards.


#119 Loyale 2.7 Turbo

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Posted 29 July 2012 - 12:50 PM

The Sparkplug looks Horrible... but that is the "Normal Life" of it, according to this Chart:

~► http://www.ngksparkp...aqs/faqread.asp

It had more than a Year of Hard use.

Kind Regards.


#120 Loyale 2.7 Turbo

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Posted 29 July 2012 - 03:20 PM

Here's a Picture Guide to "Read" the Used Spark Plugs: :D


Posted Image



#121 Loyale 2.7 Turbo

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Posted 29 July 2012 - 03:22 PM

My Wife's 2000 Sephia runs with a 2003 Spectra engine, with the Original intake & Exhaust manifolds from the Sephia bolted on, as you can read about that,

~► Here:
http://www.ultimates...t=105337&page=9


But both Catalytic converters were clogged and since those are not Legally required here, in my Country; I decided to get Rid of them.


Please, see the Followin' Pictures to Understand How I Did that:


#122 Loyale 2.7 Turbo

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Posted 29 July 2012 - 03:23 PM

Here you can see how I Deleted the Second Catalytic converter,

Just use a Straight Pipe instead:


Posted Image


This is the First (or pre-) Catalytic, next to the Exhaust Manifold:

Posted Image


A Closer View:

Posted Image


Even Closer:

Posted Image



#123 Loyale 2.7 Turbo

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Posted 29 July 2012 - 03:24 PM

Here you can see the Catalytic Element inside the Round Box:


Posted Image



I Removed it using a Sledgehammer and Chisel,

Here you can see chunks of it:


Posted Image



It also has some sort of Nest, which was removed using long pliers,

This is How the Empty Box Looks Like:


Posted Image



#124 Loyale 2.7 Turbo

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Posted 29 July 2012 - 03:25 PM

The Car now has a Beautiful Deep Sound, like a Turbo Muffler's Sound but it is Deeper but not Louder...

Maybe Because the Empty Round Box actuates as a Resonator, Somehow.

That Rich Deep sound is with a Common Muffler, not anything Special.

The Fuel Consumption has dropped a little :D

and I have No Codes related to that! Posted Image

The only code that Lit the "Check Engine" Light, was due to a Low Operating Temperatures: I Run the Engine without Thermostat.

Kind Regards.


#125 Loyale 2.7 Turbo

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Posted 29 July 2012 - 07:57 PM

I Made a very Short video this afternoon, just to let you Hear the Spectra's T8D Engine / Exhaust Sound, just follow the Link Below.

~► Here:
Kia T8D Engine's Exhaust Tone

The sound is not loud at all, but the Camera's Microphone was very close to the Exhaust tip, which makes you to believe it was Loud.

Let me Know what do you Think about it.

Kind Regards.





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