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Blown head gasket?

Tiny
NORMAN T MOTSI
  • MEMBER
  • 2007 NISSAN HARDBODY
  • 3.0L
  • TURBO
  • 4WD
  • MANUAL
  • 285,000 MILES
Hi there, my truck listed above 16v td King cab. Once overheat when I checked the radiator was almost empty I topped it up. After that I realized that after a ride the coolant reservoir tank was overflowing It's like coolant is being sucked from the radiator into the reservoir tank then overflow.
I removed the thermostat thinking that it was stuck closed I did flush the radiator at the same time l continued to ride the car without a thermostat but the problem continued After a ride if I open the hood I could hear the hissing sound from the radiator cap and bubbles in reservoir tank and I could notice that this level of coolant has raised in the reservoir tank and the radiator is running low.

I changed a couple of radiator caps until I went to Nissan and bought a 1.2bar one but the problem still persist.

I can drive the car around but the temperature will be varying between ¼ to ½ it does not go above the normal and it does not overheat

What is the problem? Thank you
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Sunday, June 21st, 2020 AT 1:37 AM

21 Replies

Tiny
94 TRANSAM
  • MECHANIC
  • 680 POSTS
If the water is boiling out to the overflow tank then it is overheating. Your temp sensor may be bad or if the water boils in the block you wont get an accurate reading as that puts air and not water around the sensor.

If it is still doing this with the thermostat out then I would do a flow test on the radiator. That may be plugged.

Simply take the upper and lower radiator hoses off the radiator. Then put a garden hose in the fill hole. Put the hose in with no nozzle, just an open hose so you get full flow from it.

Turn the hose on all the way, if you get water coming back out of the fill hole where the hose is or out of the upper hose hole then the radiator needs to be replaced.

Let me know what you find out.

Rich
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Sunday, June 21st, 2020 AT 12:50 PM
Tiny
NORMAN T MOTSI
  • MEMBER
  • 5 POSTS
It's only bubbling but warm not boiling.
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Tuesday, June 23rd, 2020 AT 8:58 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
It sounds like you may have a blown head gasket. To confirm the issue lets run down this guide:

https://www.2carpros.com/articles/head-gasket-blown-test

Please run down this guide and report back.
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Tuesday, June 23rd, 2020 AT 12:01 PM
Tiny
NORMAN T MOTSI
  • MEMBER
  • 5 POSTS
I was advised by more than 3 individuals that I might be having blown gasket and was in denial. But I think after this information I have to send car in for a head work.

Thank you so much.
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Wednesday, June 24th, 2020 AT 6:28 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Please let us know what you find. We are interested to see what it is.
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Thursday, June 25th, 2020 AT 12:50 PM
Tiny
NORMAN T MOTSI
  • MEMBER
  • 5 POSTS
I finally did the head gasket and the problem is gone. Thank you to all who helped.
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Sunday, July 26th, 2020 AT 7:50 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Nice work, we are here to help, please use 2CarPros anytime.
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Monday, July 27th, 2020 AT 10:10 AM
Tiny
MARTIN TITIS
  • MEMBER
  • 4 POSTS
  • 2005 NISSAN HARDBODY
  • 318,000 MILES
I have skimmed my head and replace it with a new head gasket, but still it overheats.
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Did you get it crack tested? Radiator should be core cleaned not just flushed, new thermostat and ensure that the cooling system has been bleed of air totally.
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
MARTIN TITIS
  • MEMBER
  • 4 POSTS
It has had a crack test and a new thermostat new radiator, but still when drive it for twenty miles it overheats. Also, all my antifreeze boiled out of my reservoir bottle.
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Get a head check done this is a simple chemical test to check for exhaust gas in the cooling system if this is so you still have a head problem to deal with. Do this check and let me know what you find any mechanic can do.
It it will take a few minutes to do.
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
MARTIN TITIS
  • MEMBER
  • 4 POSTS
One of my exhaust valves leaks, so could this be causing of my overheating problem?
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Yes this can cause a problem the seat will burn out and crack which can cause head problems as well.
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
MARTIN TITIS
  • MEMBER
  • 4 POSTS
Halo now that my head is of I see my pistons got cracks on top of the
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
PHILLCOMBS
  • MEMBER
  • 5 POSTS
  • 1996 NISSAN HARDBODY
  • 2.4L
  • 4 CYL
  • 4WD
  • MANUAL
  • 190,000 MILES
I bought this truck a couple months back. The guy had put a remanufactured engine in it. After he had it a while he had to replace the head gasket. Well I have been driving it about a month and noticed it was losing water and overheating. Then three days ago it started mixing with the oil real quickly. I tore the engine down, took the head off. After removing the head I noticed that the head gasket had coolant ports blocked on three cylinders and the water was forced to go to cylinders and into the oil. I thought it may be the wrong gasket but everyone I look at are the same as the one I took off. What is going on? I know those ports are there for a reason. Why are these ports blocked? In the picture you can see the water trying to blow through the gasket. Thanks
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Your pic didn't turn out. Some ports may be blocked for a reason but was the gsket put on upside down? Is the head and block flat?Was the head bolts tightened correctly? All these can effect it.
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Well a cracked piston is not good this will require a full rebuild or another engine
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
PHILLCOMBS
  • MEMBER
  • 5 POSTS
No it wasn't put on upside down. It can only go one way. Head and block seem flat. Bolts were tighten correctly. The coolant was starting to blow holes through the gasket where it had them blocked at. I don't understand why they would be ports on both the block and head if coolant didn't suppose to go through them
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
It's done that way because engines are made for different vehicles and some may not need that cooling in it. I think you ought to check this over more carefully for a crack or something similar. Torque on bolts shold be as follows
22 ftlbs
58
loosen all bolts
22
then additional 80-85 degrees
follow sequence in pic maximum warpage on head is >004"
Image (Click to make bigger)
Thumb
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Monday, July 27th, 2020 AT 10:11 AM (Merged)
Tiny
FOLKMAN9243
  • MEMBER
  • 1 POST
  • 1995 NISSAN HARDBODY
  • 2.4L
  • 4 CYL
  • 2WD
  • MANUAL
  • 78,000 MILES
Changed head gasket, put it back together start it up would not idle. Replaced TPS, MAF, OXS, check timing marks. It idles now but re stab distributor and oil pump can only get it on timing marks with a light but distributor bolt holes are not lined up so can't lock down distributor.

.
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Monday, July 27th, 2020 AT 10:11 AM (Merged)

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