Shifting Problem - Cadillac XLR Forum: XLR and XLR-V Forums
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post #1 of 31 (permalink) Old 01-20-2008, 07:31 PM Thread Starter
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Question Shifting Problem

Today I noticed a hesitation or slipping of gears (1-2 or 2-3) while accellerating. When mentioned to the wife, she told me that is has become a daily event (05 XLR her daily driver).

Does any one know of a probable cause or a bulletin associated with this problem?

I've done a search of the Forum and found several "reverse" noises and "clunk" noises, but no success finding any reference to gear slippage.

To get this problem in perspective, I've posted the survey above. I'll be visiting my local Dealership by mid-week.

XLR KEN
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post #2 of 31 (permalink) Old 01-21-2008, 07:08 AM
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XLR KEN,
Sometimes i see a difference in shifting but then again my driving techniques/habits change as well...sometimes i just cruise, start moderately, etc - other times i'm gunning it!!! I believe the change in gear shifting/slipping may be caused by the adaptive driving habit computer. If you visit other threads you can find the exact name of the computer module.
Just my two cents...
Darrell
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post #3 of 31 (permalink) Old 01-21-2008, 10:06 AM
 
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i have the same problems with the geaR AS FROM 5 TO 4 DOWNGRADE WHEN YOU LEAVE THE CAR TO DECELRATE BY ITSELF AT 63 TO 65 KM/HR EXCATLY.....

I MENTIONED THIS TO AGENCY, BUT THEY COULDNT FEEL AS I USE TO FEEL....
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post #4 of 31 (permalink) Old 01-21-2008, 11:26 AM
 
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Cool

Quote:
Originally Posted by XLR KEN View Post
Today I noticed a hesitation or slipping of gears (1-2 or 2-3) while accellerating. When mentioned to the wife, she told me that is has become a daily event (05 XLR her daily driver).

Does any one know of a probable cause or a bulletin associated with this problem?

I've done a search of the Forum and found several "reverse" noises and "clunk" noises, but no success finding any reference to gear slippage.

To get this problem in perspective, I've posted the survey above. I'll be visiting my local Dealership by mid-week.

XLR KEN
Ken, I haven't found a bulletin dealing with your concern. I haven't had any complaints like yours from other owners either. Have the fluid level checked. You may have a leak or fluid loss from the cooler lines during a radiator replacement. You can also check to see if it has the latest program for the TCM. After that it may be valve body related.

Bruce
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post #5 of 31 (permalink) Old 01-21-2008, 07:56 PM Thread Starter
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Question Bulletin Details

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Originally Posted by cadillac tech View Post
Ken, I haven't found a bulletin dealing with your concern. I haven't had any complaints like yours from other owners either. Have the fluid level checked. You may have a leak or fluid loss from the cooler lines during a radiator replacement. You can also check to see if it has the latest program for the TCM. After that it may be valve body related.

Bruce
Bruce,

The following bulletins are a little weak in detail, but could they relate to "shifting" problems like I described:

Bulletin # 3392
Bulletin # 3091
Bulletin # 609

Look forward to any clarification. I've got an appointment with the XLR "Doc" on Wednesday morning, so I'll see what they say. I've had it in a few times when they would have had an opportunity to update, but I'll mention the TCM program revision just to make sure.

Ken
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post #6 of 31 (permalink) Old 01-24-2008, 05:53 PM Thread Starter
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Exclamation Shifting Problem Update

Our local dealer had the XLR for several hours yesterday and found nothing. The Tech, Service Rep and Service Manager all three test drove the car and none experienced the shifting problem.

Like any random or intermittent problem, it won't happen when they are checking it out. It is a "once per day" problem, so we'll just log when and under what conditions it is observed. If anything, we've baselined the concern and will monitor it to see if it gets worse or more frequent.

XLR KEN
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post #7 of 31 (permalink) Old 01-26-2008, 04:06 PM
 
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its advicle to take note at wat speed or which gear it gets a problem... or sometimes early morning when u start a car, u going to feel more coz the fluid is still not warm up properly...

try to accelerate ur car till 90 km/hr then leave it..let it decelerate by itself..maybe u going to have that hard shifting.



just an opinion...

Hamad langawi
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post #8 of 31 (permalink) Old 02-06-2008, 09:00 PM
 
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Question on shifting. This may be a old question, however when I start the car in the morning, put in reverse goes in gear nice, put in drive takes a few seconds before I can take off, just sits then goes in gear! Issume this is normal
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post #9 of 31 (permalink) Old 02-06-2008, 10:27 PM
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No, I wouldn't say that was normal--off to the shop.

Floyd
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post #10 of 31 (permalink) Old 02-06-2008, 11:06 PM
 
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Thanks I will, funny the dealer said it was normal when I purchased something about the computer is setting everything up and can put in reverse but when you put in drive it waits until all is ready?????? I understood it as like a computer booting up?
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post #11 of 31 (permalink) Old 02-07-2008, 10:20 AM
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I've noticed the same problem for the past three weeks. I thought it might be low transmission fluid. the dealer says that the fluid is OK. I start in reverse with no problem. When I shift to forward there is a noticeable delay. Let me know if a bulletin comes out on this.

bumbleent
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post #12 of 31 (permalink) Old 02-07-2008, 10:32 AM
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I agree with Floyd, there should be no hesitation. You have a problem regarless what the dealer says.
Bobo
Quote:
Originally Posted by Geohippo View Post
Thanks I will, funny the dealer said it was normal when I purchased something about the computer is setting everything up and can put in reverse but when you put in drive it waits until all is ready?????? I understood it as like a computer booting up?
post #13 of 31 (permalink) Old 02-07-2008, 06:48 PM
 
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Well, did what my fellow XLR partners recommend and brought it in to the shop. At the end of the day I was told that the software was not current and they downloaded the most current software and feel it resolve the void. I will be picking it up tomorrow, and the following morning will give it a try, more to come or hopefully not!
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post #14 of 31 (permalink) Old 02-10-2008, 07:52 PM
 
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Well back from the shop with the new software upgrade and still no fix> back to the shop next week
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post #15 of 31 (permalink) Old 02-10-2008, 09:26 PM
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Quote:
Originally Posted by Geohippo View Post
Well back from the shop with the new software upgrade and still no fix> back to the shop next week
Sorry to hear that--but not really surprised.

Good luck!!

Floyd
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