Question about 1988 Nissan 200SX

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Coolant on oil fill cap

I have coolant on the inside of my oil fill cap, small green dots of it, and there is pressure blowing oil out of the filler hole when I take the cap off. It does not blow smoke, but there seems to be enough pressure that it is blowing out my oil pan gasket as well. What should I look at first?

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  • bosticks1
    bosticks1 May 13, 2012

    My bad. Its a 1998 not an 88, way tired. sorry. I cannot find any water in the oi. I've changed the oil, twice, both times letting the old oil sit in the pan a couple hours to see if anything seperated or settled, got neither. Timing chain thing may be it. The radiator fan does not come on, with all fuses good & connection good, which the book says is most likely the timing being off. I'll give that a check. Thank goodness my wonderful neighbor is a welder, that will save me a few bucks. :) Will give all this a try & let ya know how it goes. Thank you

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  • Nissan Master
  • 34,118 Answers

Do a compression test. it sounds like the rings are worn out

Posted on Feb 01, 2018

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Posted on Jan 02, 2017

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Rich Norman

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SOURCE: Car Is Leaking coolant from somewhere

If your car is running good except for the leak, try an item made by Barr's Leak. It is a head gasket repair. It only cost about 14 dollars plus the cost of coolant when you are done. Here is one tip though, follow the directions to the letter. Do not take any shortcuts. I have repaired at least a dozen cars and vans with major head gasket leaks by doing it right. It is a two day about 17 step process that is not real hard to do, but if you do it right it will work, not clog your system and you will not have a problem again, If I had enough time I would tell you each car, just follow the directions. A mechanic that I told this to, failed. I bought a bottle, went to his shop and did over and fixed the car. He skipped a step and thougt he could get away with it.

Posted on Aug 18, 2009

James Young

  • 4044 Answers

SOURCE: coolant mixes with oil when

Well, I have bad news. The problem you are having is teh same problem I had with a 94. That front cover over the timing chain has a hole worn in it from teh timing chain. that means one of teh timing chain guides has broken or come free. There are two bolts that hold the right had guide in place as you look at the engine. If the top bolt is missing then water goes directly from the water channel to the engine oil pan. When you fix this remember to flush the motor several times to get the water out of the block. The good news is you can usually have this front cover welded at a machine shop if there is an actual hole. Total cost of teh repair when I did it, $85 new chain and welding and tube of form-a-gasket.

Posted on Jul 07, 2011

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Cant find the valve to let air pressure from my radiator for my water to flow right


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COOLANT-ADDING ADDITIONAL
Do not remove radiator cap to add coolant to system. When adding coolant to maintain correct level, do so at coolant reserve/overflow tank. Use a 50/50 mixture of ethylene glycol antifreeze containing Alugard 340-2 y and low mineral content water.
Remove radiator cap only for testing or when refilling system after service. Removing cap unnecessarily can cause loss of coolant and allow air to enter system, which produces corrosion.

COOLANT LEVEL CHECK
The cooling system is closed and designed to maintain coolant level to top of radiator.
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Remove radiator cap. The coolant level should be to top of radiator. If not, and if coolant level in coolant recovery bottle is at ADD mark, check for:
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  • An air leak in radiator filler neck
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pctech1_27.jpg

I’m happy to help further over the phone at https://www.6ya.com/expert/jeremy_69f3cc28d95bf514

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On 2001 and 2002 Sebring Sedan, Sebring Convertible and Stratus Sedan, plus 1993 to 2002 Chrysler Concorde, LHS, New Yorker and 300M, Eagle Vision and Dodge Intrepid models with V6 engines, customers may complain their engine is overheating, or the heater is putting out little or no heat.

Chrysler Technical Service Bulletin 07-002-02 says the problem can be caused by a low coolant level in the cooling system. On these vehicles, air trapped inside the cooling system can displace coolant when the system is refilled. The radiator and coolant reservoir may appear to be full, but there still may be air inside the heater core and heater hoses. This will create a low coolant level that may lead to overheating and low heater output. The bulletin provides a special fill procedure to eliminate the trapped air so the cooling system can be completely filled.

The procedure goes as follows:
1. Obtain Chrysler special tool 8195 (Cooling System Filling Aid). The tool looks like a funnel and attaches onto the filler neck (just as a regular pressure cap does). But it also has a hose clip.
2. Attach the filling aid tool to the cooling system filler neck. Use the clip to pinch off the overflow hose attached to the fill neck. Attach a 4-6' long 1/4" ID clear hose to the bleed valve. Put the end of the hose into a clean container (to prevent coolant from spilling onto the accessory drive belts).
3. Open the cooling system air bleed valve before any coolant is added. If you do not do this, air can remain trapped inside the system and you won't get all the air out. On 1998 and later models with 2.7L engine, the valve is located on the water outlet connector at the front of the engine. On 3.2L and 3.5L engines, the valve is located on the lower intake manifold, left of center under the upper intake manifold. On 1993-'97 models with 3.3L and 3.5L engines, the valve is on the thermostat housing.
4. Pour a 50/50 mixture of coolant and water into the large side of the filling aid funnel. Use distilled, deionized or reverse-osmosis purified water, not ordinary tap water, which may contain salt or minerals that could contaminate the coolant.
5. Slowly fill the cooling system through the large side of the filling aid. Watch the hose connected to the bleed valve. When a steady stream of coolant comes out of the hose, close the bleed valve and continue filling to the top of the filling aid.
6. On 1993-'97 models, place a small, clean container below the end of the overflow hose. Then remove the clip from the overflow hose. Any excess coolant in the filling aid will now drain into the overflow section of the coolant bottle or into the container.
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1 Answer

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Hi, its not good news im afraid by you describing that with the coolant cap off and revving the car causes the pressure to build up and push the water back out it sounds to me like the head gasket is on its way out, what you need to do is take it to a garage and dont have a compression test done you need to have a gasses test done, you can buy these yourself if you want to and what it does is this.

its a plastic tube with blue liquid inside it then you take the coolant cap off and place this in its place you then run the engine and rev it up then you squeeze the rubber at the end of the tube and it then sucks the air out of the coolant and through this liquid then if it detects gasses from the engine in the coolant then this turns the liquid green and this is then telling you that the head gasket needs changing.

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let me know how you get on or if you need further assistance ok

plz rate this solution as i have a whole page of unrated posts, thanks

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