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Indentify small hose on top of intake manifold on a 1998 3.3 nissan pathfinder engine

Hi guys .I am working on a 1998 Nissan Pathfinder it has a cooling leak at small hose on top of intake manifold

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Hey mate, I just posted a solution for another DIYer...watch his video and you will find the leak...bottom or behind near firewall...follow all instructions too..

Posted on Dec 30, 2014

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Is it from the hose or what, We are not mind readers on hear, Please give better details if you want proper help.

Posted on Nov 29, 2012

  • carl thomas Nov 30, 2012

    Hi lissa Wied thanks for the help . What i need is the correct name of the small hose on the manifold that connects to the tube behind case cover

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SOURCE: I cant find the engine number for my 98 nissan pathfinder???

Are you looking for a serial number of a model number? The 1998 pathfinders have the VG33E engine (introduced in 1996)

Posted on Aug 21, 2009

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SOURCE: leaking coolant from head gasket area and valve

Well the head gasket job will cover the valve cover gasket ( you have to do one to get to the other) Bring it to a repair shop its about a $1500 job.

Posted on Apr 19, 2010

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1 Answer

I see antifreeze on top of the intake where could it be coming from


you may have a coolant leak from a bypass hose or pipe that runs over or to the intake manifold. pressure test the cooling sys and you will find the leak.

Aug 29, 2014 | 1998 Jaguar XJ8L

1 Answer

I need to replace the knocking sensor on my 1998 nissan pathfinder. Can you please guide me?


to replace a knock sensor on a 1998 pathfinder is a big job.
you have to take out the whole intake manifold, so you can reach the sensor.
if you want to do it by yourself \, first you should have ready all the tools and parts.: including a torque wrench and a set of intake manifold gaskets. you can try here autopartsway.ca for some good cheap parts.
and be ready to work few hours if you do not have much experience as a automotive mechanic.
so, good luck, if you did not do it already.

Aug 26, 2010 | 1998 Nissan Pathfinder

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Im haveing engine problems with my 91 pathfinder and cant seem to figure it out. it runs fine when i first start it up but after i drive it more then a few miles it starts sputtering and back firing when i...


The major causes of backfires are:

1) Emission control system not fuctioning properly.
2) Ignition timing is incorrect.
3) Faulty secondary ignition system; cracked spark plug insulator, faulty plug wires, distributor cap and/or rotor.
4)Fuel injection system malfunction.
5) Vacuum leak at fuel injectors, intake manifold or vacuum hose.
6) EGR stuck open all the time.

Jul 06, 2010 | 1991 Nissan Pathfinder

2 Answers

Idle goes up and down and will even stall out


Sounds like big vacuum leak.
Check vacuum hoses and intake boot for crackes and proper attachment.
Especially intake boot after air mass meter to the manifold , may be loose clamps.

Jun 08, 2010 | 1995 Nissan Pathfinder

1 Answer

How to replace a knock sensor on nissan pathfinder 1998


It's located deep in the valley! Under the "LOWER intake manifold". copy and paste this link in your browser, or try clicking on it. It may be helpful to you.

http://x.nissanhelp.com/forums/pathfinder/7890-3-3l-knock-sensor-relocation.html

I didn't find this link until after I had already disassembled my truck. This is the hardest job that I've taken on thus far, hope I can put it all back together properly. I changed the gaskets on the valve covers since I had everything off.
To answer your question: It's under your lower intake manifold, so it's a hard job!

Oct 15, 2009 | 1998 Nissan Pathfinder

1 Answer

Replacing the radiator system for nissan altima 1998


Drain coolant from the cooling system. White plastic drain plug in bottom of radiator.

take off bottom rad. hose and top rad hose.

All wrenches and sockets are either 10 or 12 mm. Remove air shroud from around radiator and fan.
Sometimes its easier to remove fan too.

If its an automatic, remove 2 rubber hoses at bottom of rad.

remove 4 bolts top and bottom that hold rad. in place.

reverse order of parts. Fill with coolant and check for leaks.

That is the basics of it.
Bill

Sep 26, 2008 | 1998 Nissan Altima

1 Answer

Wont stay started


Make sure there are no broken hoses on the intake manifold, or anywhere else under the hood. There are many hoses of many different sizes to be considered,, so check them all. Listen for rushing air, or a whistling sound. If you suspect an intake leak, briefly spraying small amounts of WD-40 ( without the long red straw attached) at a leak will change the speed of the idle....this would indicate that you are on the right track. A leak would cause a high idle, but maybe not enough power to keep the car running under load at low speed. As unwanted extra air is introduced into the manifold from any source, the fuel mixture can get leaned out causing a higher idle and a loss of power. Good luck.

Jul 16, 2008 | 1997 Nissan Pathfinder

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