Question about 1989 Nissan Pulsar

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Coolant changing Hi there, I want to completely change the coolant in my Nissan Pulsar 1.8L (1989). But don't know which hose to take out to drain all the old coolant from the radiator? Any other tips will be welcomed. Thanks a lot.

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On the bottom of the radiator there should be a tap to open and release the water if not then just remove the bottom hose attached to the radiator

Posted on Jun 01, 2008

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Coolant nissan pulsar 1989


Quite often when replacing coolant in older vehicles new leaks start to show up. The newer technology in coolant makes it a really good cleaner, and when it I changed it would clean out any bit of rust scale exposing weak areas where new leaks can form. If the leak is coming from the front of the engine where the drive belts run, there's a good chance it is coming from the water pump.

Mar 04, 2014 | Cars & Trucks

1 Answer

Coolant drain plug location


If you can't find the drain plug, maybe there isn't one. Put a container under the hose you need to change. Undo the clips at each end and pull the hose off one end. Point the loose end of the hose so the coolant goes into the container you put under the car. Replace the hose with the new one, do the clips up and then pour the coolant back in to the system (IF it is clean and not full of bits of dirt etc!) If it is dirty, then use clean water and antifreeze to make a 50 / 50 mixture and fill the system with that. Be careful not to pour the mixture in too quickly or you will make an air lock in the system.

Dec 22, 2013 | Cars & Trucks

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My pulsar in overheating put new coolant in no change fans dont seem to be working but engine was hot and gauge showing only halfway, cant find the thermostate is it in the housing the top hose is...


Make sure the fans are coming on or it will over heat. If the fans come and the gauge is reading hot check the thermostat. Follow the top radiator hose to the engine block it probably has 2 bolts holding the thermostat housing on.

Apr 17, 2010 | 1990 Nissan Pulsar

3 Answers

Forester 04 Top radiator hose dilemma !


You really won't lose that much coolant in just changing the upper hose.
But, crawl underneath the front of the car, and somewhere along the bottom left or right hand corner of the radiator, you'll find a valve of some type. Either rotate/turn the valve, or pull and turn, to open. Be sure to have a clean bucket ready and under the drain while doing this, to catch the drained fluid.

Then remove the radiator cap to allow air in the top of the radiator and speed the flow. Drain only to a point in the radiator that is below the lowest point of the top radiator hose, probably the engine end. Close the drain.
Remove/replace the radiator hose. Pour coolant from bucket back into the radiator where the cap was removed. If it does not all go, then save.
Start engine and allow to warm up. As soon as you see the level drop (meaning the thermostat has opened) add more coolant, and continue doing so until no more coolant can be added. Replace the cap. Monitor the coolant reservoir and add coolant as needed to the appropriate fill line.
Do not store excess coolant where pets/animals could consume as it lethal such creatures.

Dec 11, 2009 | 2004 Subaru Forester

1 Answer

2004 Nissan Quest engine coolant drain procedure


There should be a petcock on the bottom of the radiator. If not, remove the lower hose, and this will drain the coolant. You may not need to drain it, as I usually don't when I do them. You will lose a little out of the hoses, but it is up to you.

Jul 02, 2009 | 2004 Nissan Quest

1 Answer

Change/Flush Coolant


first off make sure the car has cooled down from its last drive then remove the radiator cap now look at the bottom of the radiator you should see an odd looking white screw that sticks out remove this screw it is the drain for the coolant make sure you have a bucket to dispose of the coolant once it has drained get your garden hose and flush it out then refill it

f.y.i. coolant is very sweet to the taste but it is very poisonous so make sure you do not leave it out for any cats or dogs because they will drink it and die

May 13, 2009 | 2005 Nissan Altima

1 Answer

Coolant Change 92 Nis PU


There is a small bypass hose for the thermostat. Are you asking how to do a complete flush? If you want to make sure you get all the coolant out there is a 14mm drain plug on the left side of the engine block that will allow all the coolant to drain. It is tough to get to without the right tools. Make sure you remove the small bleeder screw on the thermostat housing when refilling so all the air is purged from the system.

Sep 28, 2008 | 1992 Nissan Pickup

1 Answer

Coolant drain plug on engine block


there is no drain plug on the engine block unfortunately, however taking the lower radiator hose off will drain almost all the coolant out off the block. then reconnect the lower hose and fill completely with just water and flush solution let sit for a few minutes. then take lower hose off again let it completely drain. reconnect lower hose and fill with 60/40 mix of coolant this will protect to -40 degrees F. when you have it completely full keep cap off radiator and start vehicle turn your heater on hot and the fan to high. top off with coolant and replace cap. there should be no need to bleed system of air. please rate this solution.

Aug 30, 2008 | 1997 Buick Skylark

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