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Manual transmission problem


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  #1  
Old 05-05-2011, 11:26 AM
 
Join Date: Mar 2011
Location: Fayetteville, NC
Maserati Life Posts: 105
Default Manual transmission problem

I've got a 2003 Coupe GT with about 5,000 miles on the clutch.

So I went to get in my car this morning, and I couldn't get it into reverse. It was really hard to get it into any of the other gears. With the engine off it goes into reverse or any gear just fine, but with the engine on it takes a lot of muscle, no grinding noise or anything, just hard to do. It drove just fine yesterday! I drove it hard yesterday, but not abusively.

I'm totally confused, anyone have any idea what's going on? Is it safe to drive to the dealer an hour away? Thank you!!!

Update: Called the dealer, he said since there is no grinding perhaps either the shifter or the clutch is just out of adjustment. I can't find any threads on here dealing with the shifter adjustment cables, guess I'll pop off the shift boot and have a look and then try to drive it to the dealer.


2003 Coupe GT Grigio Touring/Nero - custom ceramic exhaust, Kenwood touchscreen/GPS/XM/iPod/Bluetooth/backup camera, carbon fiber cupholder
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  #2  
Old 05-05-2011, 04:21 PM
 
Join Date: Mar 2010
Location: San Antonio, Texas
Maserati Life Posts: 17
Default

I've experienced it before in my 2004 I think. Although it was not an issue of it being a muscle thing, it just wouldn't catch. For me it was just an issue of letting the gearbox warm up a bit. You should be fine to drive it to the dealer as long as you don't need to go into reverse.
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  #3  
Old 05-05-2011, 06:56 PM
 
Join Date: Oct 2009
Location: arlington, va
Maserati Life Posts: 33
Default problems

I am uniquely qualified to give some advice here becuase I had much the same issue with my car a 2003 manual transmissioned coupe in Grigio touring/nero. So, to start, lets address the simplest issue first

1. raise the car up, remove the fill plug and see that the oil level is all the way topped off.

2. If the oil level is less than full, check for leaks. My car had a leak becuase some idiot mechanic went and cross threaded the fill plug in the drain hole and left it dripping until it ran out of oil.

3. If the oil is nasty, drain and refill with the REDLINE 75-90NS. This stuff is great and will improve the shifting dramatically due to the way it lubes the gears

4. check that the shifter cables are adusted- i.e. no slack. You can have your mechanic do this if it makes you nervous.

5. Check that your manual trans is not getting too hot. After my car ran out of oil and I refilled it, I could touch the trans after doing some aggressive driving and it was like touching a hot pan on the stove. OUCH!

I decided to get a replacement transmission-purchased from eurospares. After putting the new trans in, it still got hot, but much less so. I was still nervous about the heat, so....

6. When I replaced my trans, I installed the euro oil cooler (bought it from eurospares). It worked wonders for cooling down my transmission. I viewed it as cheap insurance.

Anyway, hope this helps! Let me know if I can be of more assistance
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  #4  
Old 05-05-2011, 07:58 PM
 
Join Date: May 2004
Location: Virginia
Maserati Life Posts: 94
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Default

Maserati has a specific service bulletin for adjusting the shifting cables.


Willie

2002 Suzuki SV650S
1981 DMC Delorean
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  #5  
Old 05-05-2011, 11:44 PM
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Default

Great advice here... you may have adjust the linkage somewhere along the line as well.

Best Regards,
-- Jeff


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  #6  
Old 05-06-2011, 01:56 AM
 
Join Date: Mar 2011
Location: Fayetteville, NC
Maserati Life Posts: 105
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Thanks dudes. I managed to get it into gear and then drove it around for awhile, after a trip up and down the road the gearbox worked fine. Haven't been in it since then, I should go check and see how it does. It's possible that some air got into the hydraulics for the clutch or something. Hopefully I'll be able to take it up to FCI in Greensboro (they did the clutch in October) tomorrow and they can take a look at it and address any issues.


2003 Coupe GT Grigio Touring/Nero - custom ceramic exhaust, Kenwood touchscreen/GPS/XM/iPod/Bluetooth/backup camera, carbon fiber cupholder
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  #7  
Old 05-24-2011, 10:13 PM
 
Join Date: Mar 2011
Location: Fayetteville, NC
Maserati Life Posts: 105
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So it's doing the same thing again, can't shift/grinds when you try to shift/clutch pedal is very soft until it's been driven a little ways. Seems to me like there's definitely air in the hydraulic lines. I looked on here and google, couldn't find anything about the particulars for bleeding the lines on a Coupe GT. I know on most cars it's not very hard and is easily done with two people and a lift. Has anyone done this on a Maserati? Is it harder than normal? Thanks!


2003 Coupe GT Grigio Touring/Nero - custom ceramic exhaust, Kenwood touchscreen/GPS/XM/iPod/Bluetooth/backup camera, carbon fiber cupholder
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  #8  
Old 05-25-2011, 07:21 AM
 
Join Date: Feb 2011
Location: RTP, NC
Maserati Life Posts: 235
Default

If the system isn't pushing the clutch slave cylinder far enough, you'd have those symptoms of hard shifting since you aren't completely disconnecting the engine from the transmission, so the synchros don't get a chance to match the transmission gear speeds to the drive line.

It's not necessarily air in the lines. A slow leak, either back into the master cylinder or out of the slave cylinder would give similar symptoms. After you pump it a few times, it will have enough pressure to function (better).

I don't know how Maseratis are configured, but I've had vehicles where the slave was mounted external to the bell housing and vehicles (Jeep) where it was mounted internally in-line with the drive shaft. The former is easy to get to and replace/repair; the latter requires dropping the transmission out of the car...

The piston seals in failing cylinders may also firm up after being actuated some number of times, so the problem won't necessarily re-occur immediately.

I've used self-bleeders to bleed brake systems before on vehicles and boat trailers. They're basically a vacuum pump that pulls fluid from the master cylinder. Note, for cars with ABS systems, there is often a specific factory procedure to bleed the brake system due to the additional mechanisms and sensors involved. That shouldn't be a factor with a clutch assembly.
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