5-SPEED AUTOMATIC TRANSMISSION

To maximize the performance capabilities of both the 3.2 CL and Type S V-6 engines, an advanced 5-speed automatic transmission with a Sequential SportShift system was developed. Though the new engine commands a significant role in the new CL's improved performance, the new 5-speed automatic transmission figures heavily in measured performance gains and seat-of-the-pants driving feel.

The close ratio settings match the demands of varied driving situations while the new transmission's tall top gear ratio results in low cruising rpm's for reduced engine noise and lower fuel consumption.

Immediately noticeable from the driver's seat is a marked improvement in shift quality, relative to the four-speed automatic transmission in the 1999 CL. The new 5-speed transmission downshifts more quickly, with less shift shock, and is tuned much more aggressively to take advantage of the new, more powerful engine.

By sharing the idler and third gear clutches, the new transmission provides a total of five ratios without a significant increase in size or weight over typical 4-speed transmissions. Other improvements include the addition of a first gear one-way clutch for smoother shifts and a new heat exchanger design that moderates transmission operating temperature more quickly and with less complexity. An expanded torque converter lockup area provides a more direct driveline feel, similar to a manual transmission.

Using Direct Control shift technology, the new transmission uses a 16-bit, 20 MHz ECU directly controlling transmission operation in concert with the engine management system. Linear solenoids provide precise, real-time control of the clutch on/off pressure in the CL's transmission. With superior clutch-engagement accuracy, the sophisticated control logic system operates smoothly under all conditions. To reduce noise, a bearing supports the idler shaft, and gear-mesh contact ratio was refined.

Multiple safety and control strategies use interaction between engine and transmission controllers to manage overall powertrain operation. By limiting engine output torque and/or transmission clutch pressure, sharp driveline shocks are eliminated. The engine is also prevented from exceeding 5000 rpm in neutral and park.

SEQUENTIAL SPORTSHIFT SYSTEM

Both the 3.2 CL and the Type S are equipped with a Sequential SportShift system, similar to the one originally introduced in the NSX sports car. The CL's SportShift transmission operates as an automatic or puts gear selection in the hands of the driver, much like a manual transmission. By moving the console-mounted transmission selector handle to the left of the "Drive" position into a special SportShift gate, upshifts and downshifts can be commanded with a quick fore or aft motion. Gear selection is indicated by an LED display located in the tachometer face.

To foster the immediate feel of a manual transmission, in SportShift mode, the transmission logic commands firmer shifts that are approximately 10 percent quicker than in automatic mode. Additionally, the system is engineered to deliver an unusually quick response time to shift commands as compared to other semi-manual automatic transmissions.

Typically, the CL's transmission responds to a shift command in just 0.35 second, with the total shift completed in just over 0.9 second from the initial lever movement. These figures are quicker than those of semi-manual automatic transmissions of sports cars costing twice as much as the CL.

The Sequential SportShift system parallels the operation of a manual gearbox, but with built-in safety override features. The logic will not allow a downshift that would cause the engine to over-rev in the driver-selected lower gear. The transmission will stay in the selected gear until the vehicle approaches a complete stop and then will shift into first automatically. During acceleration, except for shifting between 1st and 2nd, the transmission will not up-shift automatically in SportShift Mode; however, should the driver fail to command an upshift in time, the engine ECU's will cut off the fuel flow to prevent the engine from over revving.

GRADE LOGIC CONTROL By monitoring throttle position, vehicle speed and acceleration/deceleration, then comparing these inputs with a map stored in the transmission computer, the Grade Logic Control System "knows" when the car is on a hill. The shift schedule is then adjusted automatically to hold the engine in a lower gear for better climbing power, increased downhill engine braking and reduced shift frequency.



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Gabriel
CL Type S

 

Gavrill... why dont you just post the URL for the press area?

My old login dont work no more

 

Hey, the 5 speed sports shift automatic tranny in the CL-S is no big deal.......

As a matter of fact, the BMW steptronic.....

JUST KIDDING!!



------------------
99 M3
dead CL-S

Tom2: The Voice Of Reason

 

gravill,
Thanks for the information!!!! I can say for sure that this board really helped me in the decision making process when thinking about what car and then if i wanted to buy the car. Keep the info comming....

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----
'01 Silver CL-Type S
!BEWARE THE SILVER SWORD!

 

hehe

 

LOL hahahhahaha ohhhh no here we go again LOL


------------------
2001 Nighthawk Black CLS Type S - Xephyr Performance CAI, PIAA 19173(Yellow) Road Lamp Upgrades, Full Wood Trim, Spoiler, 1/4 Mile in 14.424@97.23 MPH Atco Raceway 3/10/01 Best GTECH Sprint 5.554/28/01 with Poobah watching Xephyr Performance Intakes

 

craptronic, get it right to keep the theme of this board

------------------
----
'01 Silver CL-Type S
!BEWARE THE SILVER SWORD!

 

Come on, I want more
Round 3: Tom2 VS....

Just adding some logs to the fire.



------------------
---------------------
'01 CLS Satin Silver w/Black, Navi-less, spoiler,
Tint 15%, Polarqs M6s, Desired Mods: 18" Wheels/tires, Springs/Sways, CAI, subwoofer.
http://albums.photopoint.com/j/Album...513&a=12224080
The one thing that unites all human beings, regardless of age, gender, religion, economic status or ethnic background, is that deep down inside, we ALL believe that we are above average drivers.

 

<---- Fire extinguisher in hand

Please... these guys don't need any encouragement!! Although the last one was surprisinly civilized....

 

Too bad the new steptronic on the new M3 will be adjustable and can shift in as little as .08 of a second (IIRC).



-J

------------------
2001 CL-S Aegean Blue/black interior spoiler, wheel locks, no-navi
Stock for now.

 

Soopa you ass. I thought you were a good boy

Where you the one that locked my "TLS gets manual" thread? Why? What was wrong with that thread you... It was discussed before... SO? I just watched it and after reading all that was posted about the manual I did not see anyone being clear about the fact that NO ONE said that the CLS is getting a manual on Autoweek. Thus, the thread.

As for the URL to be posted instead of the text... If you find one good reason why a URL is better than the text itself, then I will do that. Post URLs. Because I can come up with a TON of reasons why the text is better. What an ass man...

There are people here that are very intersted about that stuff.

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Gabriel
CL Type S

 

I find your information very intresting, but I think these guys might be tryin to tell you something else. (like don't post information without saying where it came from)


just my 0.02.

 

Why? How is that going to affect anything? However, I am posting the source on most of my posts lately anyway.


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Gabriel
CL Type S

 

gavrill.. im not attackin you homey.

post the text, no complaints from me. I just want a login to the press room

as for the TLS thread... locked cuz it had no point foo! all discussed already. post in existing topics. heh

anyway... thanks for all the good info you give to us. we really do appreciate it... were just sarcastic sons of bitches and gotta pick on someone.

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2001 Acura 3.2 CL Type-S
San Marino Red (Navigation)
PIAA 19173 Ion Yellow Fogs • Valentine 1 • Xephyr CAI

"Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. That's relativity." -Albert Einstein

 

Soopa, the press room is the internet. Go find it yourself, it is not one source I read. It is many, many. I take no more than half hour a day to read all that. It takes me as much sometimes to post the ones I think are interesting here. No big deal. You guys think that, that is what I do all day. I read A LOT more about my job than cars.

As for the thread you locked:

Soopa I thought there was a difference between the TLS getting a manual (no word about the CL/S), and both models getting a manual. To me, this is a pretty big difference, hence the thread.

I found the same info about the manual topic from a different source. Here it is:

FROM EDMUNDS:

"2002 CL (Luxury Coupe)
Fans of Acura's feature laden, but somewhat bland CL will have one more reason to sing the praises of the entry-level luxury coupe in 2002. Word on the street has the CL getting a manual transmission sometime next year. No word yet on whether it will be a five- or six-speed unit, but considering that the recently introduced RSX gets a six-speed box in the Type S version, we can't imagine the more upscale CL getting anything less."

You make me post this in an irrelevant thread with your locks, that's what you are doing. I am not saying it is anything new, but finding it yet at another reliable source, is important enough to start a new thread than "I drove in a 6 speed CLS today, and then I woke up" like someone did yesterday. Come on...why the double standards?

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Gabriel
CL Type S