I have a Landcruiser FZJ80 with the 1FZ engine with standatrd carburettor. All the vacuum lines have been removed and need fiting back in place, does any one have a diagrame for the vacuum hoses arounf the Carb and ignition advance etc. It is a GX model. This is my second Landcruiser as I still have a late model GX with the 2HZ engine, this one is all okay.
The FZJ80 has had a new bonet fitted and the hoes layout and diagramm that was on the old bonnet has gone where old bonnets go.
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The heater control valve is located on the passenger side rear of the engine. It has a vacuum line hose that opens and closes the valve. Remove the vacuum line hose, start the engine with the temperature set to cold and see if there is any vacuum on the line. Then set the temperature to the HOT position and see if there is any vacuum on the line. Vacuum should be present on ONE setting only. If nothing happens check for proper vacuum to the control assembly. The valve is vacuum operated, if no vacuum is present the valve won't work.
Do you mean vacuum pump? If so you probably need to change ALL vacuum hoses. With the new pump comes new vacuum pressures, old hoses will probably be sucked off their pipe nipples or small cracks turn into large ones, one or both of the above will cause severe rough idle and running along with much power loss and fuel mileage will ****. If you have the original service manual on the truck and engine (I am assuming you have the 4.2L straight 6- 2F) it has a vacuum hose routing view in it. good luck
Depending on your carb, distributor and transmission, you have from zero to two vacuum hoses.
If you have an Autostick transmission, there's a vacuum hose running from a port in the intake manifold to the control valve on the left side wall of the engine bay. (Hint: if you've got a car that came with Autostick and that someone's converted to manual transmission, the bracket for the control valve is the perfect place for your coil.) Most people don't have this transmission even if their car came with it--it's only a three-speed and it's hard to find parts for it, so most of those cars have been converted to manual transmission.
The other hose you might have is for your distributor. The port is on the left side of the carb, and a hose runs between it and the metal vacuum advance can on the side of the distributor. If you have a 009 distributor or an aftermarket distributor like an MSD you don't have the vacuum advance can; if you have an aftermarket carb like a Weber you don't have the port. Therefore...you probably don't have any vacuum lines on your engine.
if only one vacuum line then?
the vacuum line goes from the vacuum advance on the side of the dizzy, to the carburettor, just around the throttle linkage if i recall. hope this helps.
this car's Transmission is based off of a vacuum lines leading into it. check to see if all the vacuum lines are all still attached for the transmission and engine. If any are found to be off...find out their proper loaction and see if the problem goes away. if none are found to be off then look into cracks or damage to them.(i would replace ALL of them since those hoses are inexpensive). Then find out when the transmission fluid and filter was changed in your car....since its 18 years old. Hope this helps.