2004 XLR Odd Problem - Cadillac XLR Forum: XLR and XLR-V Forums
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post #1 of 16 (permalink) Old 01-02-2011, 06:41 AM Thread Starter
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2004 XLR Odd Problem

I have a strange problem. Jan 1 I was driving in a shopping area, I had stopped to make a right turn and when I started to pull off the car began to back up rather than go forward. I stopped and checked the gear shift, it was the "D".

Nothing I could do would get the car out of Reverse so I backed into a parking area and shut the car off. It would NOT start, NADA, just lights all over the dash. It has now been towed in awaiting diagnosis . any body ever have their car go into Reverse like this ??
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post #2 of 16 (permalink) Old 01-02-2011, 10:36 AM
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There is a documented problem on 04-05 transmissions that may be related.

It is caused by a defective ground (G402) at the right / rear suspension cradle. It can cause the transmission shift indicator to be inoperative and cause a no-start condition. Have the dealer refer to SI 1495107.

The issue is described in the July 05 issue of GM's Techlink titled, "2005-2005 SERVICE INFORMATION: NO CRANK PRNDL INOPERATIVE."

This may have been a one-time fix, but the symptoms are similar to yours. If you didn't, I recommend having it repaired by a Cadillac dealer with a certified XLR tech.

Hope this helps. Good luck!

CC

Last edited by ccclarke; 01-02-2011 at 10:40 AM.
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post #3 of 16 (permalink) Old 01-02-2011, 01:21 PM Thread Starter
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Thanks CC

I found a copy of the July ISSUE and after your response and finding the document I sure am feeling better. Very strange to find all you can do is drive in Reverse, I was lucky the parking area was almost empty and no one behind me.

Thanks agn

Bill
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post #4 of 16 (permalink) Old 01-02-2011, 05:33 PM
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In the Tech section under Transmissions, there's a very similar thread to yours posted a year ago this week. No resolution was given, so there's no way to know what caused/fixed it. Looking through some other threads though, another issue with these trannys is a parted linkage cable. When it breaks, the transmission may not know what gear it's in and well . . . --you know the rest. In some cases, the operator may notice a different feeling with the shift lever as the linkage goes bad. Luckily, it's cheap. If you end up needing one, the PN is : 7139085. They're available from gmpartsdirect (as well as other online GM parts distributors) for a substantial discount over what a dealership will charge you.

Once you get this fixed Bill, please post back to educate the rest of us!

CC
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post #5 of 16 (permalink) Old 01-04-2011, 07:19 AM Thread Starter
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Thanks CC.

I just dropped by the shop and they had not started on it yet. Odd you mentioned the cable as a possibility. If I remember correctly the shift lever did not feel right. I will definitely post the solution asn this was rather dangerous since it went into Reverse!

Bill
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post #6 of 16 (permalink) Old 01-04-2011, 08:05 AM Thread Starter
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GM CC

Could you verify the Part # for the cable. I have tried a number of sites and all respond part unknown. Just checking availibility should that be my problem.

Thanks agn

Bill
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post #7 of 16 (permalink) Old 01-04-2011, 09:16 AM
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Bill,

Here's an alternate PN: 12569499. It's $82.65 list, $48.04 from gmpartsdirect.

CC
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post #8 of 16 (permalink) Old 01-04-2011, 11:29 AM
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Quote:
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Bill,

Here's an alternate PN: 12569499. It's $82.65 list, $48.04 from gmpartsdirect.

CC
But don't expect it to be in stock. I snapped mine last year while I was at Mid-Ohio for the ALMS and Indy races and had to wait two weeks for the dealer to find one. All the aftermarket sources didn't have one. I even tried to find one used and the used parts guys cut them all so they can quickly pull and sell the shifter.

Inspection of mine after removal showed binding somewhere in the sleeve caused enough friction to wear out one wire increasing the strain on the others which broke one at a time until the last two just wouldn't move. If you've ever taken a cable and bent it back and forth repeatedly till all strands were severed - its exactly what happened to me. The current design both pushes and pulls the cable through the sleeve and the sleeve doesn't have enough mounting points to keep it rigid for the full length of the cable.

I actually started working on a pushrod design for a replacement of the five-wire bicycle hand brake type cable used in the car. But, I gave it up when a replacement cable was finally located. I wonder how many of these have failed?
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post #9 of 16 (permalink) Old 01-05-2011, 03:19 PM Thread Starter
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Hello CC,

the problem is a broken cable as you suggested. I have ordered a new cable (12569499) from GMPARTSDIRECT. I hope I don't encounter the problem of the cable not being in stock which GIZMO discovered when his cable broke.

I will take pics of the old cable and can send them to you if you like. the cable is still on the car right now and will not be removed until I receive the new cable.

Thanks much for your help and enjoy a cold one on me!!

Bill
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post #10 of 16 (permalink) Old 01-05-2011, 04:26 PM
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Hello CC,

the problem is a broken cable as you suggested. I have ordered a new cable (12569499) from GMPARTSDIRECT. I hope I don't encounter the problem of the cable not being in stock which GIZMO discovered when his cable broke.

I will take pics of the old cable and can send them to you if you like. the cable is still on the car right now and will not be removed until I receive the new cable.

Thanks much for your help and enjoy a cold one on me!!

Bill
I'd like to know if it broke at the shifter connector like mine. Or how close to the shifter the break occurred. I have a sneaky suspicion this is a known problem at Cadillac.

Question: Do you do a lot of manual shifting?
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post #11 of 16 (permalink) Old 01-05-2011, 06:02 PM Thread Starter
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Nope, I rarely use the paddle shift feature. I am just a caaual XLR driver as I have a few other cars as well, when I want fun I have a 60 Impala ragtop with a 5 speed.

I am having my personal mechanic do the work , even tho the car has the extended GMPP warranty, I want to know what happened myself.
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post #12 of 16 (permalink) Old 01-05-2011, 06:36 PM
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Nope, I rarely use the paddle shift feature. I am just a caaual XLR driver as I have a few other cars as well, when I want fun I have a 60 Impala ragtop with a 5 speed.

I am having my personal mechanic do the work , even tho the car has the extended GMPP warranty, I want to know what happened myself.
Then you may want to tell him that the easiest way to it is after removing the exhaust. Seemed weird to me but, its the easiest way to get to all the hangers.
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post #13 of 16 (permalink) Old 01-06-2011, 02:20 PM
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K4XT,
How many miles are on your car?
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post #14 of 16 (permalink) Old 01-06-2011, 05:11 PM Thread Starter
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Hi Dave.

The car has 34K on the odometer, always kept in my heated garage where I keep some other vehicles. never ever driven in snow or bad weather. since I ordered the cable thru parts direct I expect a week delivery at best so please be patient.

I will post some pics of the old cable for all to see if it is OK. I am quite concerned over the safety issue as it dropped into reverse with no indications. I am also rather curious as to the cable having twp part numbers, possibly GM did a replacement substitution after learning of this problem?

would be curious when GIZMO had his problem mileage wise.

Bill
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post #15 of 16 (permalink) Old 01-06-2011, 06:30 PM
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would be curious when GIZMO had his problem mileage wise.
I don't know exactly what my mileage was, somwhere between 35-37K.

I wouldn't be too concerned about the safety issue. Because of the designed usage, what happened to you should be extremely rare. Consider this, if it snaps when shifting into drive that would mean the cable had stretched two detents past normal for it to come to rest in reverse - not likely with the slack inherent in the design.

I actually drove mine 300 miles with the cable severed. I had to remove the entire center console and shifted with a prayer, a pair of needle-nose pliers, and burnt hands from the exhaust tunnel (push cable into sleeve toward the rear of the car for PARK, pull cable out of sleeve toward the front for DRIVE).
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