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Rodney Hollis Posted on Apr 28, 2014
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How come my 91 mr2 turbo losses clutch pressure after sitting in fifth gear on the freeway for an hour or more, then works again after being pumped several times. never fails otherwise?

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John Ray

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  • Master 790 Answers
  • Posted on Apr 28, 2014
John Ray
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Hi, you just see if the pistons in the cylinders that actuate the clutch are very old... If so they cant build up that ahigh a pressure to move the clutch. They ll lose compression. Also chceck for the fluid loses in the hydraulic circuits. Get the clutch assembly inspected.

5 Related Answers

Anonymous

  • 36 Answers
  • Posted on Dec 12, 2008

SOURCE: 1996 vw polo, won't/can't engage 5th gear.

Trans needs to be rebuilt. Or just not use 5th

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Anonymous

  • 4669 Answers
  • Posted on Apr 05, 2009

SOURCE: on my 1987 ford thunderbird turbo coupe 5 speed it

Are you having to add fluid? If yes, look for the leak. If no, It's the clutch master cylinder.

Anonymous

  • 20 Answers
  • Posted on Jun 22, 2009

SOURCE: '91 MR2 Turbo Seat belts and air bags. Replacement?

Get used replacement belts from 

www.twosrus.com

Cheaper than an ER visit! 

tell him johnnyrocket sent you

Anonymous

  • 986 Answers
  • Posted on Sep 20, 2009

SOURCE: jaguar 2.0 se diesel turbo power loss

Sound like you are looseing some boost from your turbo,check all your hoses from your turbo,if all of them are ok you may have a waste gate sticking, you need to check for movement there it only move very little but has alot to do with hp.Thanks And I hope this helps you

kalei02EXC

Charles Baker

  • 62 Answers
  • Posted on Sep 25, 2010

SOURCE: My Excursion stopped several times on freeway

If your Excursion has the 7.3L Diesel, what I first suspect is the Ford recalled item Cam Position Sensor (CMP sensor). If your nearby Ford dealership has not replaced it for free for you, then make an appointment and take the car in to have the sensor replaced. If this does not solve your stalling problem, come back to FixYa and I will assist you further.

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1helpful
1answer

Dennis, i have a 5speed 91 toyota mr2 non turbo, only owner. the car is driven about 10 miles a month and is in very good condition! well for the 1st time ever i went to start the car a couple days ag

clutch master is stuck or seized . i had one that did that and i took the snap ring out and tried to remove the piston from the cylinder and eventually , after hours of struggle, i got it out and found the o-rings so swollen and deformed that i just replaced it. your is dun... don't waist your time. just replace it, best 40 bucks you'll spend
0helpful
1answer

I have a 626 manual 91, 2.2 non-turbo. the other day the gear box wouldn't let me put it in 3rd, then was unhappy with 1st and 2nd and gets stuck in 4th sometimes while driving, by turning the engine off...

The first check I would be doing is to bleed any air out of the clutch slave cylinder. I would be checking that the clutch system is operating and getting full disengagement of the clutch. From you description of the problem everything points to the clutch not working properly from either hydraulic problems or cable failure.
0helpful
1answer

My 1987 toyota mr2 will not shift out of neutral when cold

have the clutch slave cylinder and master cylinder replaced
indicates air in the system and/ or moisture in the fluid freezing
0helpful
1answer

Cant fine were the fuel pump relay is on my 91 mr2 2.2 non turbo

LOOK FOR FUEL PUMP FUSE LEFT SIDE KICK PANEL ON DRIVER SIDE.
1helpful
1answer

My 1992 toyota mr2 (non turbo) has been sitting for over a year. It was nearly out of gas when I parked it where it has been sitting. Now Im trying to get it started and wondering if the fuel injectors...

Pull the fuel tank and flush it out with clean fuel also flush the fuel system (replace fuel filter) and install fresh fuel, the injectors will likely be ok, the fuel pump is another question, make sure it is providing pressure.
0helpful
2answers

91 Capri, no oil pressure...

the turbo booster is filled with oil and if you have no oil pressure there is no boost
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Sticks coming out of 1st 3rd and 5th gear.

all the gears at the top of the shift pattern use the same syncro.

your synchro's are starting to wear out.
0helpful
1answer

'91 MR2 Turbo Seat belts and air bags. Replacement?

Get used replacement belts from 

www.twosrus.com

Cheaper than an ER visit! 

tell him johnnyrocket sent you
1helpful
2answers

91 mr2 shifter locking

Just a thought
We had problem with gear being difficult to select.
Found that one of the gearbox to engine bolts was loose.
Difficult to get to them but when tightened the gears select ok.
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