Question about 1999 Nissan Quest
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Posted on Jan 02, 2017
It appears we have an Air lock scenario and you will need to perform a system Bleed.
Park the vehicle on level ground, when cold remove coolant filler cap, start engine and leave to idle, turn heater on full and blower to max. When engine reaches operating temperature watch and listen near coolant filler, keep clear as gurgling and hopefully a boil over should occur. Top up with very warm coolant and wait as it may do it again.
Check for heat inside vehicle if warm replace coolant cap but keep an eye on temperature gauge as the ~Air lock may have moved on from heater matrix/core so proceedure needs to be carried out again from COLD.
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Paul 'W' U.K
Posted on Feb 24, 2009
SOURCE: fuel pump removal
Replace Fuel Pump for 1997 Nissan Quest
(1) If the fuel tank has more than one third full, you need to get the gasoline out. If it has one third or less full, you can leave it in the tank. However be very careful around the working area. Make sure you have read fire precautions in a general repair book. Take the fuel pump fuse out from the fuse box near the battery. Run starter for a few seconds. This will remove the fuel pressure in the gas lines. Disconnect battery at negative terminal. Jack up the rear of the van.
(2) Remove the fuel tank protector.
(3) Disconnect fuel pipes at the front end of the fuel tank. Use short pencils and extra rubber hoses to block disconnected pipes and hoses.
There are two pipes connected to the gasoline filler at the side of the van. Disconnect only the smaller one. The larger one is flex enough for the tank to be lowered.
(4) Disconnect the electrical from this connector. Jack the rear end of the fuel tank with a car jack and a piece of 2x4. Put the wood between the jack point and the tank. Then unbolt the two bolts showing in the picture.
(5) Lower the jack after the bolts are removed. The rear end of the tank should be lowered.
(6) Disconnect fuel lines on top of the fuel pump. Reconnect each short hose back to different pipes as shown in picture to block the pipes.
(7) Loose the six mounting bolts on the fuel pump assembly. The bolts should be loosen a little at a time in multiple turns. Also detach the electrical wire holders. After all bolts are removed, carefully take the assembly out of the tank.
(8) Remove the fuel pump from the assembly as shown in picture. Then unplug the electrical wires. Note that two connectors are in different sizes, so that you will not be able to reconnect to a wrong terminal.
(9) Put the new pump and new filter in. Reconnect the electrical wires. If necessary use a pair of pliers to make the connectors tighter. Make sure they are not loose. Reconnect gas inlet to the pressure regulator.
(10) Use a new O ring, put back the assembly to the fuel tank. Make sure the float of the fuel level senser is free, and the assembly is at the right orientation (as shown in picture). Screw back the 6 bolts after making sure the O ring is in right place. The bolts should be tightened in turns. Do not over tighten them. Then reconnect the fuel lines and make sure every fastener is tight. Put the electrical wire into holders.
(11) Jack up the tank and put the two mounting bolt in. (see picture in step 4). Make sure they are tightened with specific torque. Reconnect the electrical connector.
(12) Reconnect two fuel lines at the front side of the tank. Refer to the picture in step 2. Reconnect the hose to the gasoline filler. Before you have a try start, double check if all fuel lines are securely connected and tightened.
(13) Start the engine. You need to crank more than a normal start because the lines were empty. The pressure is built up in some time.
(14) If engine starts ok, turn it off. Then check under the van if there is any leakage. If everything is fine put back the tank protector. (picture in step 2).
Posted on May 05, 2009
You better not be driving your car overheating like that and shutting off on you! It sounds like you've most likely lost all your coolant due to a leak of some sort, and your engine is overheating. I would take the vehicle to a shop make sure you don't have some kind of major coolant leak. They'll also want to do a "block-check", which is a fluid that can detect combustion vapors in the coolant, that would indicate you've blown a head gasket due to overheating. It's very bad for an engine to run without coolant, even for 10 minutes. I'd have the vehicle towed in unless the shop is right around the corner. If you'd like to check your coolant level yourself, make sure the engine is cold or at least the vehicle has been off for an hour. Checking the overflow tank level may not be good enough. You'll have to remove the radiator cap and determine if you've got any coolant in the radiator. If not use either regular pre-mixed green coolant, or if you have non pre-mixed dilute it to a 50/50 ratio coolant and water. I wouldn't continue to drive your van with it acting up like it has until you can get it checked out.
Posted on Nov 20, 2009
Oddly enough, this happened to me one morning. Thank goodness the AAA mechanic that showed up had seen this before. If you have a theft deterrent system, turn the key in the lock several times. Apparently, this will reset the electrical system that is keeping the car from starting. Good luck!
Posted on Aug 06, 2012
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