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2004-2007 Cadillac CTS-V General Discussion Discussion, Cadillac Bulletin (You'll love this) in Cadillac CTS-V Series Forum - 2004 - 2007; ...
  1. #1
    ssmith100 is offline Cadillac Owners Connoisseur
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    Cadillac Bulletin (You'll love this)

    Thought you guys might like this. Wife just sent it to me.

    Shane


    Subject: CTS-V Unique Features Not Common with Other Cadillac Vehicles
    Message #: CAS20040022
    Corporate Bulletin Number 04-00-89-027 is currently available in SI.


    CTS-V Unique Features Not Common with Other Cadillac Vehicles

    Models: 2004–2005 Cadillac CTS-V

    This bulletin is intended to inform dealers of some of the unique features and functions of this model.

    Stiff Ride

    Important: Ensure that the tire pressure is at 30 psi (210 kPa) for both front and rear tires.

    The CTS-V has a noticeably stiffer suspension than the CTS. This may not bother the performance car enthusiast, but Cadillac loyalist and those with traditional Cadillac expectations may not find this feature appealing.

    Rear Axle Hop

    The independent 5-link rear suspension on the CTS-V is designed to keep the tires and wheels stuck to the road. However, in extreme loss of drive wheel traction or abusive applications of power, if the throttle is not reduced, the effects of the suspension's design to keep the tire firmly against the road surface will result in a noticeable, abrupt wheel/axle hop.

    Handling in Snow

    The CTS-V is equipped with P245/45WR18 Extended Mobility Tires (EMT, or run-flat). These are Goodyear F1 Supercar performance-oriented tires and provide the ultimate handling for the combination street and track environment. They are not, however, all-season tires and will not give optimum performance in mud or snow. If the CTS-V is to be driven in areas that regularly experience adverse winter conditions, snow tires of the same size on all four wheels should be considered. Never exceed the speed rating for your selected tire. Winter tires will be available in the future.

    Brake Dust

    Brembo high performance brake systems are on all four corners of the CTS-V. A key requirement of a high performance lining is to dissipate heat from the braking system, thus resisting fade, cooling rotors and preventing brake fluid boil. A by-product of this heat dissipation, though, is brake dust. Brake dust accumulation on wheel faces is normal and common with high performance linings.

    Critical Tire Pressure Monitor

    Tire pressure monitor systems are emerging on many vehicles and add additional safety and awareness regarding tire inflation. TPM was selected for the CTS-V because it uses EMT run-flat tires and does not have a spare. Specified tire pressures are critical on the CTS-V due to the window of the TPM calibration. Tires come from the factory filled at 38♦psi (260♦kPa) to ensure proper sealing of the bead seat and to prevent tire damage in tied-down shipping. If not adjusted to the correct 30♦psi (210♦kPa) tire placard specification by the dealer, the tire, when warmed up, will easily exceed the 42♦psi (290♦kPa) limit on the TPM and illuminate system warnings and faults to the driver. Excessive pressures will also turn an already very stiff ride into a harsh poor handling experience.


    Rough Idle
    The 400♦horsepower LS6 V8 engine derives its awesome power through a combination of displacement, stroke and tuning. A key element of this combination is giving the engine better "breathing" ability through unique camshaft to valve lift and duration. The efficient process of getting the air/fuel mixture in and exhaust gases out of the combustion chamber is achieved through this higher valve lift and longer valve open times. The result of camshaft design results in what is commonly referred to as an unstable idle or the random roughness of the engine. This is normal and does not indicate a concern.

    1-4 Skip Shift

    This feature helps the driver get the best possible fuel economy. When certain parameters are met, the transmission will force the driver to perform a 1st to 4th shift, not allowing a shift to 2nd gear. The following conditions must be met in order for this to happen:

    • the engine coolant temperature is higher than 169°F (76° C),
    • vehicles speeds are 15-19♦mph (24-31♦km/h) and
    • the throttle percentage is 21 or less

    There is a 1-4 indicator in the speedometer Driver Information Center, but it does not illuminate all of the time. It is only momentarily in presence and is usually not seen. This will be a very aggravating feature if not adequately explained to the driver.

    Brake Lining Bind After Setting

    The Brembo brake components have a tendency to a light bind, often noted as resistance, then a light clunk when attempting to move the vehicle forward or rearward after a cold soak. This is usually noticed after parking, when the brakes have been wet, as in driving in the rain or just after a car wash. This is normal and does not effect the operation or performance of the brakes.

    Driveline Clunk on Declutch in Parade Type Driving

    While driving in a steady, slow speed parade-type situation, a clunk-clunk noise from the driveline may be heard when depressing and releasing the clutch pedal or between shifts.This noise is characteristic of torque reversal of the driveline due to component architecture and is not a condition of operational concern. This noise may be slightly more noticeable on the CTS-V than the base CTS model due to rotating inertia of the large dual mass flywheel and larger diameter propshaft. This condition is normal and no repairs should be attempted.

    Oil Life System and Mobil-1 Oil

    Mobil-1 synthetic engine oil is the factory fill for the CTS-V. Oils other than Mobil-1 may be used as long as they meet GM Standard♦GM4718M. Oils may be identified as synthetic but may not meet this standard. Mobil-1 meets all of the requirements. Oil life may seem shorter on the CTS-V because the OLS algorithm uses factors of engine RPM and coolant temperature cycles, both of which the CTS-V will experience in greater fluctuations. This may result in shorter intervals as compared to other Cadillac vehicles.

    Navigation But No Voice Commands

    The navigation radio system used in the CTS-V functions similarly to the unit used on the CTS, with a few exceptions. Since the steering wheel controls on the CTS-V are for the I/P DIC, traction control, and cruise control, you do not have any re-configurable controls, OnStar® interface or voice command controls. Voice command, therefore, is unavailable on the CTS-V.

    Memory Functions

    The driver 1 and 2 seat and mirror memory functions are the same as the CTS, with one exception. Because the CTS-V has a manual transmission, these functions will only work when the parking brake is set, whether the driver uses the RKE or the 1 and 2 button on the driver's door panel.

    G-Force Meter

    A lateral accelerometer display is located in the left instrument panel display, under the tachometer. It can be accessed by using the outer most rocker switch on the left steering wheel spoke. In this mode, the meter will display momentary and peak lateral acceleration. To reset the peak acceleration to zero, simply press and hold down the outer most rocker switch on the left spoke of the steering wheel while the G-force meter is displayed.

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  3. #2
    sefa01's Avatar
    sefa01 is offline Cadillac Owners Enthusiast
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    Re: Cadillac Bulletin (You'll love this)

    Thanks for posting. Didn't realize that tire pressure was 30 PSI cold--I'm sure my dealer left it at 38 and I haven't touched it. I will now.

  4. #3
    DgtalPimp's Avatar
    DgtalPimp is offline Cadillac Owners Connoisseur
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    Re: Cadillac Bulletin (You'll love this)

    Nice to see them prepping the dealers for the known issues. “When you hear ……., say this …”

    I do have one point to make on their comments (I think this was stated before)
    Quote Originally Posted by ssmith100
    Rear Axle Hop

    The independent 5-link rear suspension on the CTS-V is designed to keep the tires and wheels stuck to the road. However, in extreme loss of drive wheel traction or abusive applications of power, if the throttle is not reduced, the effects of the suspension's design to keep the tire firmly against the road surface will result in a noticeable, abrupt wheel/axle hop.
    How does Cadillac get 0 to 60 in 4.6 (Advertised) AND not wheel hop or use “abusive applications of power”?

    Quote Originally Posted by ssmith100
    1-4 Skip Shift

    This feature helps the driver get the best possible fuel economy. When certain parameters are met, the transmission will force the driver to perform a 1st to 4th shift, not allowing a shift to 2nd gear. The following conditions must be met in order for this to happen:

    • the engine coolant temperature is higher than 169°F (76° C),
    • vehicles speeds are 15-19♦mph (24-31♦km/h) and
    • the throttle percentage is 21 or less

    There is a 1-4 indicator in the speedometer Driver Information Center, but it does not illuminate all of the time. It is only momentarily in presence and is usually not seen. This will be a very aggravating feature if not adequately explained to the driver.
    Well, I would say it is a very aggravating feature period.


    Dgtal

  5. #4
    StealthV's Avatar
    StealthV is offline Cadillac Owners Connoisseur
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    Re: Cadillac Bulletin (You'll love this)

    Quote Originally Posted by DgtalPimp
    Well, I would say it is a very aggravating feature period.
    Send me some $ and I'll send you back a home-built, plug and play CAGS eliminator. Die CAGS die!

  6. #5
    trekster's Avatar
    trekster is offline Cadillac Owners Connoisseur
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    Re: Cadillac Bulletin (You'll love this)

    Driveline Clunk on Declutch in Parade Type Driving

    While driving in a steady, slow speed parade-type situation, a clunk-clunk noise from the driveline may be heard when depressing and releasing the clutch pedal or between shifts.This noise is characteristic of torque reversal of the driveline due to component architecture and is not a condition of operational concern. This noise may be slightly more noticeable on the CTS-V than the base CTS model due to rotating inertia of the large dual mass flywheel and larger diameter propshaft. This condition is normal and no repairs should be attempted.

    Thanks for clearing this out!




    1-4 Skip Shift

    This feature helps the driver get the best possible fuel economy. When certain parameters are met, the transmission will force the driver to perform a 1st to 4th shift, not allowing a shift to 2nd gear. The following conditions must be met in order for this to happen:

    • the engine coolant temperature is higher than 169°F (76° C),
    • vehicles speeds are 15-19♦mph (24-31♦km/h) and
    • the throttle percentage is 21 or less

    There is a 1-4 indicator in the speedometer Driver Information Center, but it does not illuminate all of the time. It is only momentarily in presence and is usually not seen. This will be a very aggravating feature if not adequately explained to the driver.

    Let me get this straight... If I'm driving on first gear then the icon appears....does it mean I can switch to 4th gear without having to work my up? or does the car do it automatically?(Excuse my ignorance Haven't really had time to sit down and read the manual)

  7. #6
    Lanman is offline Cadillac Owners Fanatic
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    Re: Cadillac Bulletin (You'll love this)

    That was great! I really needed a good laugh today.

  8. #7
    Shinkaze is offline Cadillac Owners Fanatic
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    Re: Cadillac Bulletin (You'll love this)

    Stiff Ride

    Important: Ensure that the tire pressure is at 30 psi (210 kPa) for both front and rear tires.

    The CTS-V has a noticeably stiffer suspension than the CTS. This may not bother the performance car enthusiast, but Cadillac loyalist and those with traditional Cadillac expectations may not find this feature appealing.
    Funny as the CTS-V is the only Caddy I would ever consider, otherwise you can find me in an S4, C55/C32 or M3...
    Rear Axle Hop

    The independent 5-link rear suspension on the CTS-V is designed to keep the tires and wheels stuck to the road. However, in extreme loss of drive wheel traction or abusive applications of power, if the throttle is not reduced, the effects of the suspension's design to keep the tire firmly against the road surface will result in a noticeable, abrupt wheel/axle hop.
    If the suspension is "designed to keep the tires on the road" would not a wheel hopping off the road be a design flaw?

  9. #8
    Vedder is offline Cadillac Owners Fanatic
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    Re: Cadillac Bulletin (You'll love this)

    StelthV, how much do you need? I want this done right away.

  10. #9
    Sandy's Avatar
    Sandy is offline Cadillac Owners Master
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    Re: Cadillac Bulletin (You'll love this)

    How come Chevrolet can make a Corvette (or a Corvette ZO6) without all these......ah....."Quirks" ??

  11. #10
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    Re: Cadillac Bulletin (You'll love this)

    Quote Originally Posted by Vedder
    StelthV, how much do you need? I want this done right away.
    If you are at all mechanically inclined you can de-CAGS your V for ~$1, or $7 if you feel like going the extra steps for the elegant method posted in the V FAQ (also talked about in the thread below).

    http://www.cadillacforums.com/forums...ad.php?t=10372

    -Ben

  12. #11
    benjet's Avatar
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    Re: Cadillac Bulletin (You'll love this)

    Quote Originally Posted by ssmith100
    Stiff Ride

    Important: Ensure that the tire pressure is at 30 psi (210 kPa) for both front and rear tires.
    I have actually found that the ride AND handling is better with a few more lbs of air (32/33 cold, 37/38 hot).

    Quote Originally Posted by ssmith100
    Rear Axle Hop
    So does this mean I can't shift from 1-2 (or 2-3) IN the powerband? I don't find that abusive, but maybe I'm wrong. I even get a Traction Engaged warning at this point (consistantly) so I'm not sure it's really putting firm tire pressure against the road surface.

    Quote Originally Posted by ssmith100
    Handling in Snow
    Don't intend to find out.

    Quote Originally Posted by ssmith100
    Brake Dust
    I Can live with that.

    Quote Originally Posted by ssmith100
    Critical Tire Pressure Monitor
    So they won't work well with non EMT tires?

    Quote Originally Posted by ssmith100
    Rough Idle
    I Can live with that.

    Quote Originally Posted by ssmith100
    1-4 Skip Shift
    Already done away with.
    Quote Originally Posted by ssmith100
    Brake Lining Bind After Setting
    Nice to know (now).
    Quote Originally Posted by ssmith100
    Driveline Clunk on Declutch in Parade Type Driving
    Yeah this is another one of my pet peeves - it sucks when in stop and go traffic.
    Quote Originally Posted by ssmith100
    Oil Life System and Mobil-1 Oil
    OK.
    Quote Originally Posted by ssmith100
    Navigation But No Voice Commands
    Weird that they couldn't have figured out a way to do it all, the owners might just have to find a way to make it work. You'd think voice control would be better in a car with a manual transmission (more hand off the wheel etc.), but what do I know. Reed let us know what you discover once you have the module.
    Quote Originally Posted by ssmith100
    Memory Functions
    Yeah mine don't work about half the time.
    Quote Originally Posted by ssmith100
    G-Force Meter
    I think that's in the users manual.

  13. #12
    globed70 is offline Cadillac Owners Enthusiast
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    Re: Cadillac Bulletin (You'll love this)

    Quote Originally Posted by Shinkaze
    If the suspension is "designed to keep the tires on the road" would not a wheel hopping off the road be a design flaw?
    Sorta yes, and sorta no.... having a bit of compliance in the suspension can help on uneven road surfaces, where non-compliance would have you "skittering" across, if you know what I mean. Still TBD whether the "compliance" is there for planting the tires, or NVH issues.

  14. #13
    Shinkaze is offline Cadillac Owners Fanatic
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    Re: Cadillac Bulletin (You'll love this)

    Quote Originally Posted by globed70
    Sorta yes, and sorta no.... having a bit of compliance in the suspension can help on uneven road surfaces, where non-compliance would have you "skittering" across, if you know what I mean. Still TBD whether the "compliance" is there for planting the tires, or NVH issues.
    and yet this "feature" of a high performance suspension is somehow lacking the Vette...hmmmm

  15. #14
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    Re: Cadillac Bulletin (You'll love this)

    Quote Originally Posted by Shinkaze
    and yet this "feature" of a high performance suspension is somehow lacking the Vette...hmmmm
    I'd have to say that the CTS-V *rides* much nice than a Vette. The stiffer suspension on the Vette (and I believe the monoleaf) contributes to no wheel hop. Drive the FG2 = little to no wheel hop.
    2004 Cadillac CTS (**SOLD** ): http://www.ctsowners.com
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  16. #15
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    gothicaleigh is offline Cadillac Owners Master
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    Re: Cadillac Bulletin (You'll love this)

    The CTS-V is not supposed to have a Corvette ride.
    It is seeing how much performance they extrude from the chassis while still keeping something that resembles Cadillac ride quality. If you have ever driven a Corvette, you know that the suspension is much more firm (especially in the Z06) than what is found in the V. Also, the Z06 has wheel hop, nothing anywhere as severe as what is found in the V, but it is there.

    You can make the wheel hop disappear, but you will compromise your ride to do it.

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