Question about 1993 Toyota Previa

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How to remove cylinder head of Toyota Previa 91?

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  • Anonymous Mar 21, 2014

    tools needed to remove thermostat



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I need your email to send you whole write up

Posted on Aug 17, 2010


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Posted on Jan 02, 2017

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SOURCE: Timing Chain

no. have to remove cam sprocket and crank sproket.

Posted on Jul 08, 2009

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The compression is the same for all cylinders(150), but when I turned motor over, water came out of #1 cylinder only. Any idea?

Sounds like a head gasket leaking water in from the cooling system. Does it run OK? Any water in the oil on the dipstick and a mayonnaise type film on the oil filler cap?

Jan 21, 2016 | 1992 Toyota Previa

1 Answer

Previa 2 cylinders no compresion

There is in most cases only one reason for this and that is that the engine cylinder head gasket is leaking between the 2 cylinders.

Jun 26, 2012 | 1993 Toyota Previa

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How can you tell the differences between the cylinder head of a non-super charged and a supercharge Toyota Previa?

Hello. Welcome to FixYa. I am Toyota Ed; I will be assisting you today.

The differences 'side by side' are negligible. The main difference, one that you really cannot determine by the eye, is the size of the combustion chamber. On a supercharged Previa, the compression ratio is markedly lower, because of the supercharged air being sent into the engine. The combustion chamber on a supercharged engine is slightly larger, and the piston domes are shorter.

Note: All turbo and S/C engines have lower compression ratios than a normally asperated engine.

In short, putting a supercharged head on a normally asperated engine will give you very bad acceleration and drivability, due to the increased combustion chamber size. The lower compression of the S/C engine's head on a normal engine will have bad idle, poor acceleration, and bad hesitation.

To tell the difference, you need both variants of cylinder head, and measure the cubic centimeters of the combustion chambers with a liquid. The one that holds more volume is the S/C head.

Thanks for choosing FixYa for assistance today. I hope that my answer helpd you out.

Jan 10, 2011 | 1997 Toyota Previa

1 Answer

Removing and replacing ignition switch for 91' toyota previa

the only way i found that you can replace the ignition switch is to take it to somebody who has a strong enough drill bit, they will then have to drill out the rods that appear to be welded in, the guys at the dealership ended up really struggling and i got stuck with a big bill,
by the way any auto parts store charge you about $100 for the ignition switch as well as $100 for the lock cylinder which chances are you will need at that point, especially if you have the problem any of the older toyotas have, which is keys broke off in the ignition,
for as great of vehicles as toyota has made you would thinnk the keys would be stronger, but my previa van is the third i have owned and is the third that had a key that broke in it, and this one eventually stopped turning with only have a key, and $300 later and after every homie of mine who was a mechanic telling me they were lost on this ignition, and it is running again, so best of luck to any who check this out mcl
Why use a drill bit? A 4.5 mm metal drill did the job for me in approx. 2 minutes. (A 91 model though).

Dec 02, 2010 | 1991 Toyota Previa

1 Answer

What is the easiest way to remove a headgasket from a 1993 toyota previa

Hello. Welcome to FixYa.

The easiest way to remove the cylinder head is to lower the engine/transmission combination out thru the bottom of the vehicle; ie support the engine/trans, and raise the vehicle off of the powertrain assembly.

Working on the cylinder head whilst the engine is still in the vehicle is a VERY difficult endeavour.

Even though it looks like more work, by lowering the engine out; it proves much easier to work on and access all of the necessary bolts.

Thanks for choosing FixYa for assistance.

Sep 20, 2010 | 1993 Toyota Previa

1 Answer

1993 Previa. Fuel floods the cylinders after long drive & parked

try running an injector cleaner thru the system.
you may have a dripy injector.

Nov 10, 2009 | 1993 Toyota Previa

1 Answer

It turns over but sound like there is no compresion

If you have the sound of no compression you either have a timing chain that has jumped time, or valve seats that have dropped out of the cylinder head. Check the timing, and, it it is correct, the head has to come off. The cyl head removal is an incredibly difficult undertaking in a Previa. I drop the whole engine out of the vehicle to work on them.

Aug 16, 2009 | 1995 Toyota Previa

1 Answer

Timing Chain

no. have to remove cam sprocket and crank sproket.

Jul 08, 2009 | 1994 Toyota Previa

1 Answer

I have a 91 previa and the battery light came on

sounds like you poped the main fuse in the under hood fuse panel. before that the battery light on in a toyota pretty much points to an alternator problem.

Mar 29, 2009 | 1991 Toyota Previa

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