Fuel Pump Concerns - BMW Luxury Touring Community
 
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post #1 of 13 Old May 23rd, 2007, 10:36 am Thread Starter
 
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Fuel Pump Concerns

I recently had my k1200lt serviced. They replaced the clutch and slave cylinder but also caused some problems. The cooling fan runs constantly, the rear speakers are no longer working and the fuel pump does not prime the fuel line when you turn on the ignition prior to hitting the start button. None of these problems existed until I took it to have the clutch and slave cylinder replaced. I was wondering if anyone could help me to understand my fuel pump problem? I looked in the manual and there isn't anything listed about it's operation.
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post #2 of 13 Old May 23rd, 2007, 10:51 am
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Thumbs down

I don't think you should even consider any troubleshooting, instead take the bike back to the dealer and have them fix the issues. They should guarantee their work and fix whatever they messed up. If you try to fix things they can claim you did this. You should call them and make your claim and and an appointment. Maybe a loaner bike is in order while they figure out what they did wrong. It may be nothing much, but they should check their work before turning the bike over to you. JM2CW.

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post #3 of 13 Old May 23rd, 2007, 11:02 am Thread Starter
 
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I don't think you should even consider any troubleshooting, instead take the bike back to the dealer and have them fix the issues.
They are dragging their feet. It took them 6 weeks to replace the clutch and slave cylinder after they told me it would only take 1 week!
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post #4 of 13 Old May 23rd, 2007, 11:51 am
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I hope for you that there is a BMW dealer within range of where you are. I would never take a bike back to a place that has already screwed things up.

Perhaps a call to BMWNA would help get the ball rolling.

I hate reading these stories.

2000 K1200LT
1981 Honda CBX ( kind of for sale)
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post #5 of 13 Old May 23rd, 2007, 11:57 am Thread Starter
 
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Perhaps a call to BMWNA would help get the ball rolling.
Would you happen to have the number? I live in Cincinnati, Ohio and would greatly appreciate any help.
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post #6 of 13 Old May 23rd, 2007, 12:12 pm
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I can't find a phone #, but a letter writing campaign might get things started.

Try bmwmotorcycles.com and go from there.

I'm sure you will get better avenues from other brothers on this site that have had to go through with such tripe...good luck.

2000 K1200LT
1981 Honda CBX ( kind of for sale)
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post #7 of 13 Old May 23rd, 2007, 12:47 pm
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Fuel pump

I didn't know that the fuel pump is primed once you turn the key, but before you hit the starter switch. When my bike is cold, it often takes me three hits on the starter button to get the motor running. The first couple of times I hit the starter button, the bike never reaches 1000 RPMs and it sputters, then stalls. Usually on the third hit, the motor revs to 1000 RPMs and everything is fine. Is this caused by my fuel pump not being primed when I turn the key ?

Roy
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post #8 of 13 Old May 23rd, 2007, 1:50 pm
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Yes Royal, I think it is. Once you turn the ignition on, you SHOULD hear the fuel pump 'whirring' up to pressure, it takes about 1 second. This pressurizes the injection system to allow for instant fuel delivery, if it's not doing that I would definately think there is a problem.

Mine starts instantly after the pump run-up, no matter what the temerature is.

2000 K1200LT
1981 Honda CBX ( kind of for sale)
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post #9 of 13 Old May 23rd, 2007, 8:39 pm
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When I bought my 03 LT the dealer was very positive in explaining the starting sequence after I turned the ignition key. There is a process the bike goes through checking the brakes, warning lights, computer, and the fuel pump before you hit the start button. You should hear the pump charge the fuel rail and wait for it to shut off before hitting the start button.

Bill McAllister
St. Louis, MO.
2003 K1200LTE
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post #10 of 13 Old May 23rd, 2007, 10:22 pm Thread Starter
 
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I set up an appointment to have it checked on the 30th. I will let you know what happens with what they say was messed up.
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post #11 of 13 Old May 24th, 2007, 1:36 pm
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Stick to your guns on this as two of the things you are having trouble with are controlled directly from the Motronic computer. Fuel pump & fans. The rear speakers could be connectors under the stingray or rear seat that the dealer failed to hook back up.

John
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But lack DE, MA, RI and CT with the 2005 LT

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post #12 of 13 Old May 24th, 2007, 5:30 pm Thread Starter
 
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jzeiler,

Thanks for the lead. Is there anyway for me to trouble shoot the computer to see if that is the problem? Also, do you know how much a new computer cost because I know it is going to be a battle with the shop.

Thanks
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post #13 of 13 Old May 24th, 2007, 8:28 pm
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Gerald,


While I said the Motronic is common to what ails I have yet to see anyone post of a failed one. Most likely it is an input to or a combination of inputs that is causing the problems. Some thing not connected back up right after the major work.

There is little technical data available for the Motronic unit. The dealer has a computer to hook up to it to read the diagnostics - that should point out the problem.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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