It is stuck open.
SOURCE: SUNROOF PROBLEM ( TOYOTA PREVIA ) 1991
i need to get a new sunroof fitted in my 95 toyota previa, does anyone know where
SOURCE: 1992 Toyota Previa van,Oil dripping onto exhaust manifold, replace head gasket? need a free manual!
The toyota previa uses a formed silicone gasket for the valve cover and the cover is held in place by metric shoulder bolts ( 10mm). The valve gasket leaks because you can't get enough preload on the bolts to re-seat the old gasket when it gets old and shrinks. The shoulder bolts only allow you to tighten the gasket enough to seat the shoulder on the bolt. If you continue to torque down the suspected bolts, you will snap the bolt off ( don't ask me how I know this ). You can either 1.)replace the old gasket with a new one or 2.) remove the existing bolts around the leak area and put in new metric bolts that do not have a shoulder. You may want to put in a small sleeve into the existing bolt hole but shorter than the thickness of the valve cover to account for the smaller diameter bolt. You can now torque down the bolt and get enough preload to seal the valve cover without removing the old gasket. Make sure you use a torque wrench ( in-lbs) or be very careful not to snap these small valve cover bolts.
SOURCE: where is the flasher on a 1994 toyota previa
The flasher is bolted to the firewall behind the right side of the instrument panel and you can't get to it from underneath the instrument panel. You will have to remove the center console fascia to get to the instrument cover screws and remove the instrument cover. Then you can get to the instrument holding screws and move the instrument panel out of the way. Either a service manual or AutoZone.com will have this information and pictures. Replace the flasher with a genuine Toyota flasher relay. The aftermarket relays might look like they fit but I have found out they don't work properly. The flasher is bolted to the firewall with a 13mm bolt. Take out the bolt and replace the flasher.
SOURCE: Replacing heater fan motor in a Toyota Previa
Removal & Installation
It may be necessary to remove the upper radiator shroud to perform this procedure.
Disconnect the coolant reservoir
4. Disconnect the coolant reservoir and power steering brackets from the side of the heating unit box.
Remove the coolant reservoir bracket from the side of the heater unit
Separate the power steering reservoir bracket from the side of the unit also
5. Remove the two bolts that attach the upper and lower portion of the heater box.
6. Disconnect the control cable on the side of the heater unit box.
Disconnect the control cable on the drivers side of the unit
7. Remove the eight nuts retaining the unit.
Remove the nuts (8) from around the heater unit
There are 4 nuts on each side of the unit
8. Disconnect the heater control valve bracket from the heater box.
9. Separate the top of the control box from the bottom.
Separate the upper case from the lower
SOURCE: 91 Toyota Previa AWD - Swap original engine for Previa Supercharged engine
I do a lot of work on Toyota Previa before; including rebuilt engine, swapping engine and transmission and lot of things in between, but never swap a normal aspirated engine to a supercharged engine or diesel. Since i have some experience in Previa, I would like to share my opinion with you regarding your plan to swapping the normal aspirated Previa engine to a Supercharged engine. When you do a swapp like that, you will not only be dealing with just swapping engine, but some wiring, computer, throttle body, air cleaner assembly, extra frame and pulley on the accessory items, transmission as well as a right rear end to get the correct gear ratio to accomodate the new engine and transmission. I can go on even more, but let me tell you this, beside less headache, it would definitely cheaper if you were to find a Supercharged Previa and fix it up. However, if you are totally motivated to do this project, keep in mind, this engine swap will be a long term and time consuming project.l I wish you best of luck and have fun!
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