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Rpm tachometer stopped working just had alternator and master cylinder replaced noticed after leaving service shop

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Take it back to garage,someone has left a wire off

Posted on Jan 13, 2009

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Posted on Jan 02, 2017

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1 Answer

Will wet clutch work again if run dry and now car wont move


what is a wet clutch?,. the A/T torque converter
the inside transmission wet, clutch packs
or the stick shifting master cylinder and slave
why not post year, swift, and what system you are working.
eg: my car wont move, got that.
my RPM tachometer races fast, but car wont go (called slip)
or my clutch pedal seems dead.
or my A/T CAR., transmission is no working right, say what?

we cant guess any of that.
just say whats up, fully, please.

Feb 16, 2015 | Suzuki Swift Cars & Trucks

1 Answer

While driving 2000 Ford Explorer I noticed driver side window would not go back up, than tachometer stopped working, noticed that charging gauge was on very low, vehicle finally died am wondering if that...


Sort of. The gauge reading low means the alternator is not charging the battery, which is why it stopped running. The actual problem could be the alternator or a wiring problem on the truck.

Jul 25, 2014 | Cars & Trucks

1 Answer

2002 Tundra, replaced battery, alternator was checked and is good, but engine cuts out when I slow down/break, and battery light comes on. Starts back up easily.


stop guessing, please.$$$$$
hot or cold engine, or both.
ever heard of engine stall? the rpm drops below 800 and stalls?
the engine rpm is KEY
post all symptoms, and we can fix it.
so far all i have is the hint of a stall or engine running at 300 rpm.
the alternator don't work at 300 rpm. at stall or near that.
your car dont have a tachometer? if it has one learn to watch it.
stalls are complex.
can be.
The engine PCM controls idle speed and Regulation at all times.
and is the LAST thing to work right, in EFI.

think of a juggler of bowling pins, a delicate balancing act.
so if the pins are slippery , he drop one, so easy.
EFI is Electronic fuel Injection (makes spark too , on gas engines..)

on EFI, idle fails (low) 800 is normal hot block, (look up yours. no engine options or size or cylinder counts stated)

the low RPM is caused by. many things. (i have a list of 50) so skip that....
1: too rich , too lean,. misfiring, DTCs set, ever scan the PCM YET?
2: EGR sticking open(clean it)
3: ISC (IAC electric) stuck closed, (again clean it)
4: never did the 60k mile tune up? if you did it would run ,if not the person doing it would tell you why it dont run right or even fix. it.
during a tune up , we check the ISC and EGR for filth and clean them.

now ill do the marco (physics answer)
1: bad engine, engine compression bad on 1 or more cylinders.
2: bad spark , tuneups fix this 99% of time, and work
3: bad fueling. (vastly complex. but most times bad inputs to ECU)

there are exceptions, but all land on #1 (stops engine from pumping air)

Dec 30, 2013 | 2002 Toyota Tundra

2 Answers

My RPM meter is not working...it's always on 0.


I used to have a 1999 Mitsubishi Eclipse with the same symptoms; my mechanic replaced the speed sensor ($65) and the problem went away. Take the car to auto zone and ask them to plug the computer, they normally do it free of charge. If it is the sensor, you may have to buy at the dealer.

Oct 05, 2012 | 2000 Hyundai Sonata

1 Answer

Brake pedal go's to the very bottom and slow stopping


A few different things to look at. Either you have a bad master cylinder, master cylinder and booster, brake Caliper/calipers.

Look under the vehicle on inside of the wheels, if you notice any fluid on your tires then it is coming from the caliper piston leaking. They have rebuilt kits, but its way easier to just install new calipers.

Look in the engine compartment on the drivers side on the firewall, you will see the master cylinder with 4 lines running from it that it will look like this jgwhomeequip_0.jpg

Look at where it attaches in the back, if fluid is leaking in the back then you need a new booster. To be honest with you, since it has to do with brakes, if you are not mechanically inclined I would leave it to a professional. You can call a mobile mechanic to do the job usually about 50% cheaper on there labor rate, but just as experienced or you can tow it to a shop.

Jun 19, 2011 | 2002 GMC Yukon XL

1 Answer

My brakes had began to fail. I tried adding brake fluid, they got worse. So I took it in for repair to a local shop, they said I needed a new master cylinder and added one. I had been driving my car for...


1- New master cylinders could also fail, possibly due to bad quality replacement parts or maybe even just a factory fault on a good quality master cylinder.

2- If you had blown a rear wheel cylinder, you most deffinatly should still have had a form of front brakes. the reason for this is as follows... For this very saftey meassure manufactures design the container for the brake fluid supplying the master cylinder in two internally, so this would mean that if you where to drain all the brake fluid through the rear wheel cylinders an acceptable amount of brake fluid should still remain within the one compartment of the reservoir for the front brakes to still opperate.

3- Leaking rear wheel cylinders should have been noticed by the technician who installed the master cylinder, the reason for this is because the brake fluid would have had to be bled through the system at each wheel. even though it would have been performed from the back of the wheel one would expect the technician to notice the brake fluid dripping out behind the brake drum.

I hope the above is of assistance to you.

Regards.

Feb 21, 2011 | 2001 Ford Taurus

2 Answers

Brakes sink to the floor


by stating that your pedal sinks to the floor, you leave 3 options open 1.) the master cylinder seal is bypassing allowing the fluid to bleed by the proper correction is to rebuild the master cylinder.
2. One of your drum brakes has a wheel cylinder that has failed causing a noticable behind the tire leak (most common) correction is to replace all brake hardware and wheel cylinder.
3. One of the brake lines is cracked,broken, inspect for leaks and replace with new line.
4. notice on disc brakes if a brake caliper fails (part that squeezes brake pads to rotor) you will have the same symptoms of a broken wheel cylinder, this would of gradually occured feeling a heavy pedal or pulsation.

Feb 19, 2011 | 1994 Toyota 4Runner

2 Answers

I have a ford explorer brakes stopped working no


hello, it is very common for the cylinder in the master cylinder to seize...try to bleed the master cylinder, if no line pressure is found in either of the two lines replace the master cylinder and re-bleed the entire system....good luck, marty

Jun 09, 2009 | 1998 Ford Explorer

2 Answers

2004 kia sedona replacing alternator


hi ive got same problem, ive replaced belts but still there ive noticed play on the the top belt guide pulley noise stops when i put oil in behind it going to replace it ill probably need to take engine mount off to do this dealer price for part about £60 and gess what got to order it in thoe mine squels more when its raining

Oct 21, 2008 | 2004 Kia Sedona

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