Questions tagged [head-gasket]

A type of gasket used between the cylinder head and engine block to seal the combustion chambers and cylinders, oil galley's and coolant galley's.

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9
votes
5answers
127k views

How to test if head gaskets are blown?

Is there a definitive way to test whether head gaskets in most engines are blown, without actually reaching for the gaskets themselves (at which point you might as well go ahead and replace them) ...
9
votes
1answer
1k views

What exactly is a head gasket?

From what I have gathered, a "head gasket" is an important part of the engine on most cars, but that is about it. What is a head gasket? Where is a head gasket? Why is it necessary?
5
votes
7answers
217k views

The mysterious overheating honda civic

This is a tale that goes back about a year when I found my very first car. I needed it to commute back and forth to school. When I bought the car it worked great, everything I could have wanted. ...
2
votes
1answer
95 views

Engine shaking at low rpms and injector correction values all over the place

My neighbor has a 2010 Peugeot Partner II turbo diesel ( Same engine as the Citroen Burlingo ) he's been having problems with. Background: Car was idling poorly, smoking, sputtering and had no power. ...
1
vote
0answers
322 views

Blown head gasket on a 2003 Honda civic [closed]

I had a master ASE tech tell me that my head gasket is blown. Possibly a pinhole leak, of course they won't know the extent till it's taken apart. My question is how much will a job like this cost for ...
6
votes
3answers
45k views

Overheating at idle - mechanic says head gasket

My car has been overheating at idle after a long period of time - perhaps 20-30 minutes in traffic. If I drive, it immediately starts to cool down again. I don't drive often so it hasn't been an issue ...
5
votes
3answers
13k views

oil in coolant reservoir ... urgent ... Peugeot 206 Xri ... 2006

I need some advice I'm broke and I need the car (like it's not an option) it hasn't overheated yet . This just happened about a week ago, I'm driving way slower like 50/60kmh and 70/90kmh when in ...
17
votes
3answers
5k views

Is my head gasket cracked?

My wife hit a large puddle of water in her 2006 Mazda 5. Until then it was running fine. The check engine light came on and car shut down and would not start again. Mazda says it is a head gasket. Is ...
8
votes
2answers
3k views

What to do with damaged alignment dowels in block?

Just took the second head off the 98 Subaru Outback I'm working on and I found one of the alignment dowels was badly crimped over the gasket for about 1/3 of its circumference. I have no idea how it ...
5
votes
1answer
73k views

Getting the best results sealing head gasket leak with Blue Devil

The 1998 Subaru Outback I've been having cooling system problems with turns out to have a combustion gas leak into the coolant. I suspected this but couldn't get a test to turn up anything; taking it ...
5
votes
2answers
2k views

Block Test: Can't suck any more air, is this normal? (1999 Suburban)

I performed a block test recently to diagnose a problem I'm having. The liquid stayed blue, but I want to clarify I have done this right. The purpose of the test was to see if I could prove a head ...
5
votes
2answers
29k views

I've got oil in my coolant but no coolant in the oil - Ford Triton V10 Motorhome

I have a Triton v10 engine in my vehicle I have oil in my coolant but no coolant in the oil. What could be the problem?
2
votes
0answers
92 views

Why may heating gradually stop after some time driving (and doesn't work in passenger side at all)?

This is a somewhat strange problem. Heating (in driver side) seems to work normal - after somewhere between 15-25 mins. driving or so, it gradually stops working. The warming in passenger side doesn't ...
2
votes
3answers
19k views

Can exhaust smell like coolant without it being a blown head gasket?

2005 honda civic ex, my coolant smells like exhaust, and I have been magically losing coolant/overheating the past month. It seems slow though, because it lasted 3 weeks between the last coolant ...
2
votes
1answer
3k views

P2646 after Head Gasket Replacement....WRONG or NO OIL?

I just had my head gasket replaced on my 05 civic... Driving city speeds felt fine, but I did notice a little bit of rattling, which I thought was just a new sound she would make due to the engine ...
2
votes
2answers
2k views

Grey smoke when idling 1999 GMC Suburban, coolant system pressure loss

The most recent update is at the bottom. This looks interesting. The Smoke I'm confident the smoke is from burning oil. It's slightly blue, absolutely not white. If the engine is warm and I am ...
2
votes
4answers
9k views

Mysterious honda civic 2002 overheating some time

Okay, so lets start here. First my car started overheating. We changed the thermostat but it keeps on over heating. Let me explain my problem. I am driving on highways my heaters work perfectly ...