Coolant in oil, but the cylinder head is flat? Could it just have bin this gasket? - Suzuki Forums: Suzuki Forum Site
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Old 09-08-2019, 07:43 PM   #1 (permalink)
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Question Coolant in oil, but the cylinder head is flat? Could it just have bin this gasket?

Hello everyone,

Just got the cylinder head out of my 1995 1.6L 16v 4WD SWB Vitara yesterday.
Cleaned it up and honed it with 400 grit wet sandpaper. Tested it thoroughly with a steel ruler and a 0.05mm feeler guage and it passed??

This motor drove almost 2000km with water in the oil. Had to stop and refill the radiator every 60km or so. Did 2 oil changes. Drove with the cab heater on. It made it back and seemed to run ok considering the oil had the viscosity of toothpaste

Now I wonder if the head was blown at all? Maybe there is another point at which the coolant can enter the oil? It was going through coolant very rapidly but I never found a drop under the car, or on the engine.

Thermostat seemed in bad condition. Water pump is corroded and the bearing seems stiff. Still havent flushed the radiator or checked that it even flows.


Here is the head gasket i removed


The other side


Is this normal

What do you think?

I have heaps of pics so let me know if I should upload anything specific.

Really appreciate any feedback guys

Cheers
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1995 SWB Vitara JX, 4WD, 2door, 1.6L G16B 16v.

Drove it around Australia. Lots of beach trips.
Blew the head coming out of the simpson desert

Gonna get her running again!!

Last edited by fordem; 09-09-2019 at 03:51 PM.
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Old 09-09-2019, 01:38 PM   #2 (permalink)
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Unfortunately, the photos would not load for me. You can attach them directly to this post by selecting "Go Advance" in your reply and the "insert image" icon (just under the left pointing arrow) in the top menu bar. In your case, the photos would be very helpful in determining the extent of damage, if any. Regardless, glad you got it home and hope you get it running again.
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Old 09-09-2019, 04:46 PM   #3 (permalink)
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Whoops, the pics show up for me

I have uploaded the pictures as attachments, hopefully that works..

Thanks for the support, I really hope she will run again.

I also hope its not a cracked crank case mixing my oil and water.

PS thanks fordem
Attached Thumbnails
Coolant in oil, but the cylinder head is flat? Could it just have bin this gasket?-img_20190909_102745.jpg   Coolant in oil, but the cylinder head is flat? Could it just have bin this gasket?-img_20190909_102759.jpg   Coolant in oil, but the cylinder head is flat? Could it just have bin this gasket?-img_20190909_102835.jpg  
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1995 SWB Vitara JX, 4WD, 2door, 1.6L G16B 16v.

Drove it around Australia. Lots of beach trips.
Blew the head coming out of the simpson desert

Gonna get her running again!!
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Old 09-09-2019, 05:06 PM   #4 (permalink)
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Only way to know for sure is to have it pressure tested and dyed...
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Old 09-09-2019, 05:11 PM   #5 (permalink)
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Quote:
Originally Posted by Romper BeastNuts View Post
Whoops, the pics show up for me

I have uploaded the pictures as attachments, hopefully that works..

Thanks for the support, I really hope she will run again.

I also hope its not a cracked crank case mixing my oil and water.

PS thanks fordem
check that little bit between the copper ring and the water jacket, bottom right middle pic, thats where the issue is likely to be. Thats the pressure feed to the overhead gear and the water jacket is close by.

Head gaskets do fail unfortunately, over time things move and bolts can loosen.
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Old 09-09-2019, 06:10 PM   #6 (permalink)
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Glad the photos came through for others. I guess the electrons just haven't made it to New Mexico yet! Coming by Pony Express.
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Old 09-09-2019, 06:37 PM   #7 (permalink)
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The wear on the gasket around the oil feed and oil return seems to be the same as the rest of it. But I have no idea what I'm looking at tbh.

Is it possible to perform the pressure test while the motor is disassembled?

Some head bolts did seem looser than others.

Quick background\Recent history:

Driving through the desert on an unformed track 2 weeks ago. Checking fluids etc every morning. Notice one morning that the air bellows has a large tear in one of the inside folds, about 1\2 the pipe was torn. No idea how long it was like that and we had been down 1000km+ unsealed very dusty roads to get to the desert to begin with.

I assumed that at this point the intake must be full of dust. I marveled that it still ran, duct taped the hell out of it and hoped it would be ok untill we got back to town.

2 days later the largest dune was ahead and most people were going round. I checked the fuids and with some advice we managed to go over. It took a sustained climb in 2nd gear low, 6000rpm, 9 psi in the tyres. Then when I made it up I was so excited I switched her off immediately.

I did this two more times.

about 600km later I noticed water in the oil and went into life support mode. Water every 60km, oil changes etc.

Just so we are all on the same page about what happened.
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1995 SWB Vitara JX, 4WD, 2door, 1.6L G16B 16v.

Drove it around Australia. Lots of beach trips.
Blew the head coming out of the simpson desert

Gonna get her running again!!

Last edited by Romper BeastNuts; 09-09-2019 at 06:46 PM.
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Old 09-09-2019, 07:35 PM   #8 (permalink)
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oils at 60 psi, waters about 15, thats a 45 psi differential, if any head bolt in that area is even 10 lb/ft loose, oil will find its way across that wee gap and into the water,

Get the head pressure tested and reassemble with a permatorque gasket and see what happens.
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2015 5 dr Grand Vitara 2.4 (daily driver)
2008 Swift M15A
1971 V8 HG Holden with 383 stroker 9" torq lok and TH350 trans (the toy)
Mitzi RVR 2.0 (not one of my better buys)
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"Dogs feel very strongly that they should always go with you in the car, in case the need should arise for them to bark violently at nothing right in your ear."
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Old 09-09-2019, 08:10 PM   #9 (permalink)
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The discussion centers around water in the oil, not oil in the cooling system, slightly different scenarios.

I've been told that the 16v engines have a core plug some where under the cam cover which can cause significant coolant loss into the sump, it shouldn't be too difficult to see if there is any truth to that tale if the head is off.
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Old 09-09-2019, 10:52 PM   #10 (permalink)
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Core plug. ok I will have a research and a look.

Does anyone have any photographic reference for this plug?

I have booked the cylinder head in to be pressure tested.
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1995 SWB Vitara JX, 4WD, 2door, 1.6L G16B 16v.

Drove it around Australia. Lots of beach trips.
Blew the head coming out of the simpson desert

Gonna get her running again!!
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