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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12
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3answers
154 views

Does increasing head gasket thickness make it more failure-prone?

A well-known fact when adding forced-induction to an engine originally designed for naturally-aspirated applications, is that it may be necessary to reduce the compression ratio to counter the ...
9
votes
2answers
99 views

What makes some engines more sensitive to head gasket failure?

What are some of the reasons some engines are more prone to head gasket failure? Is it the way coolant and oil passages are designed and distributed? E.g. Subaru is notorious for head gasket leaks.
9
votes
2answers
78 views

How do I go about replacing the head gaskets in my Dodge truck?

It's a 1999 Dodge Ram 1500 4x4, Laramie SLT, automatic transmission, 5.9l magnum engine, and crew cab (222k mi). It seems to have some head gasket leaks, as there is some coolant burning. I have only ...
7
votes
1answer
633 views

What is a head?

Due to this question I now have a fairly well-rounded understanding of what a head gasket is. I assumed that sometimes, when people would talk about "heads" that this was just an abbreviation of ...
7
votes
1answer
85 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?
7
votes
2answers
1k 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 ...
6
votes
2answers
324 views

2006 wrx overheats going slow but not at speed

my 2006 wrx heats up into the red going slow on back roads but is fine and shows no signs of any issue going fast. what is the deal? blown head gasket?
6
votes
2answers
11k views

Tools needed for smooth Subaru head gasket job

I'm about to start replacing the head gaskets on a 1998 Subaru Legacy Outback according to the procedures described here: http://www.subaruforester.org/vbulletin/f66/how-replace-ej25-head-gaskets-...
6
votes
2answers
68 views

Why should I back off all valve lash adjusters until valves are closed when changing a head gasket?

My Suzuki Swift 01 is leaking coolant. I'm trying to change the head gasket. I've gotten as far as taking the camshaft cover off. See this picture: I'm not sure what Step 11, "Back off all valve ...
6
votes
2answers
103 views

Using a thicker head gasket when the cylinder head resurface limit is reached

I just bought a 2000 Civic 1.6L ( d16y8 ) with no compression in one cylinder. Four years ago, the engine overheated, and was completely rebuilt by the Honda dealership. One of the things on the ...
6
votes
2answers
78 views

Coolant in engine… Head gasket going

I have an 05 Equinox, and while idling it sometimes overheats. We have to continously add coolant every week. If this was the only problem, I'd fix it, but, there's other issues as well, and combined ...
5
votes
2answers
2k views

Replacing the head gasket in a 1993 Mercedes 300ce

Is replacing the head gasket in a 1993 Mercedes 300ce, an expensive repair? I've been told it is better to just replace the engine all together. Is it a tough job for a backyard mechanic or a diy ...
5
votes
1answer
48k 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
1answer
55 views

Car won't start

My Chevy Spark 1.2 L 2012 model overheated and blew the head gasket. I replaced the gasket and spark plugs. The engine is turning, but it won't start. Plugs do get petrol. Engine sounds like sewing ...
5
votes
2answers
37 views

1997 1.8t Audi Quattro - using coolant

I have an issue with my 97 1.8T Quattro using coolant. I've checked for external leaks and can't find any. The engine oil is still clean. Has anybody had this issue before? Is it possible for it ...
4
votes
4answers
458 views

2003 Subaru Outback Legacy, Blown Head Gasket

The past month I have been refilling my empty coolant reservoir before each trip. My most recent trip I noticed every few moments I would lose some performance, the RPM's would stay the same but my ...
4
votes
3answers
8k 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) ...
4
votes
4answers
5k views

What does it mean when soot is coming out of my exhaust?

I have a 2001 Jetta Wagon (Golf Variant is caller in my country). Petrol engine. Usually rides school and back (15 miles) with engine between 2000 and 3000 rpm. Just did a 300 mile trip at 3500-...
4
votes
3answers
5k views

Coolant spills out of the overflow tank at high pressure

My '98 Subaru Forester spills all its coolant with very high pressure and overheats. I changed the radiator cap and did a flush, but still have the same problem. I added stop leak, but that did ...
4
votes
1answer
170 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?
4
votes
1answer
9k views

Can a blown head gasket cause overheating, without losing coolant?

My 2006 Subaru Outback overheated when my wife was driving. I got to the car that evening and its radiator was pretty low. I refilled it, and the car ran fine for a week. Then it overheated again. ...
4
votes
1answer
250 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 ...
4
votes
0answers
77 views

'08 Kia Spectra won't start after head gasket/timing belt replacement

We got this little KIA for a great deal with only 102k miles on it. Probably put less than 1k miles on it before the radiator split open on top, and it quit. (We were driving on the highway with ...
3
votes
7answers
68k 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. ...
3
votes
1answer
759 views

Burning smell when getting out of the car

I sense a burning smell when getting out of the car (Nissan Maxima 02 V6). I am pretty sure it is an oil leak from somewhere based on the odor, but not sure where else to look for. The smell was ...
3
votes
2answers
39 views

Is it possible to tell if a head gasket is bad just by looking at it?

I bought this truck with a blown head gasket. I thought it would be fun to fix it. I just got both heads off but the gaskets themselves don't look broken anywhere. Is it possible the gasket is ...
3
votes
3answers
932 views

Oil in my radiator fluid tank?

I have a 97 Ford F350 with the 7.3l powerstroke diesel engine. There's oil where my radiator fluid should be. Do I have a blown head gasket?
3
votes
2answers
238 views

Rover 25 Head Gasket replacement - is it a long-term fix?

My Rover 25 (2004, <50k) began overheating and the nearest-to-me-at-the-time garage (not my usual one) which I pulled in to diagnosed head gasket failure. They gave a £700 estimate for a new head ...
3
votes
1answer
885 views

Low compression and will not ignite after broken camshaft pin and replaced head and gasket

My 95 Geo Metro Lsi 1.0L had a blown head gasket. I replaced the gasket and drove the car for approximately 120 miles before it started spitting and sputtering. Then it died just before I got home. I ...
2
votes
2answers
65 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 ...
2
votes
2answers
1k 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
1answer
11k views

Head Bolt Sequence - 2004 Chevy 4.3L V6 S10

I am trying to find the head bolt sequence for a 2004 Chevy 4.3L V6 S10 truck. I have managed to find the torque specs but the site I found them on does not list the order they should be removed or ...
2
votes
1answer
27 views

2002 Chevy Blazer - Oil in coolant

I have a 2002 Chevy Blazer with 237755 miles. I was just informed that I have a blown head gasket and oil is leaking into my coolant. On my way into work this morning my check engine light was ...
2
votes
1answer
100 views

Need to replace valve cover gasket immediately with signs of seeping/leakage?

I have a Mazda 323F 2k Model. I noticed that oil seeps from the valve cover seals/gasket. Before it doesn't drop anything on the garage floor until now. I've observed a few drops after engine stop and ...
2
votes
1answer
141 views

Bad exhaust leak or valve interference after HG change?

2006 Volvo s40 2.4i I replaced my HG the other day (I've done a few before with no problems). I was very careful marking everything. Locking the cams together with a cam locking tool specific for ...
1
vote
2answers
1k views

95 honda civic ex, smoking heavily from exhaust

I have a 95 honda civic ex (manual), and it smokes really bad from the exhaust. It's thick white smoke that lingers, and it also burns oil, but when checking the oil, it is not clouded up or milky or ...
1
vote
3answers
120 views

Do I still need to use gasket goo? (Or something similar)

First time replacing a head gasket in the engine of a 80's (ish) Toyota Hiace. I have the replacement gasket all ready to go, but do I need anything else to go on it? Some of the older models needed "...
1
vote
1answer
175 views

Can frequent engine lugging lead to blown head gaskets?

I've heard that prolonged driving at low RPMs (AKA "lugging") can cause head gaskets to blow. Is that true and, if yes, can you provide a lowdown of the causality?
1
vote
1answer
389 views

What causes grey engine corrosion?

I recently had my oil light come on in my 2004 Chevy Malibu. This resulted in a visit to a mechanic (after putting 3 QTS of oil in it) to see if there might be something more serious than a leak ...
1
vote
0answers
57 views

Would “one cylinder's out” semantics include a head gasket? [closed]

I sold a car on craigslist with part of the title being "Runs, but one cylinder's out". I had taken the car to Firestone to diagnose why one cylinder wasn't firing right and they said it has 0% ...
1
vote
2answers
122 views

2005 Honda Civic - Oveheating [closed]

So my car has been overheating for over 1 year. It overheated during summer or when I went 80mph only. I recently saved up enough money to get the car fixed. I brought it to my mechanic and informed ...
1
vote
0answers
189 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 ...
0
votes
1answer
573 views

Civic won't start after replacing head gaskets [closed]

My '94 Honda Civic (1.5l VTEC-E) was overheating, and I replaced the head gaskets. Now it turns over but won't start. What should I do?
0
votes
1answer
60 views

blue devil head gasket sealer

I used blue devil head gasket sealer and so far have a good result. I am currently driving the vehicle with just water and the sealer in system. It's running cool and it's not using any water. My ...
0
votes
0answers
22 views

Losing Coolant in Honda Civic

Hi my 2005 Honda Civic has recently started giving me issues. It overheats at times mostly when i'm sitting at a red light. I have tried replacing the thermostat and fan switch which worked for a day ....
0
votes
0answers
20 views

Labor cost/cost of head gasket repair/replacement on 2003 Honda civic [duplicate]

I had a ASE master tech tell me I have a blown head gasket. How many hours of labor will this cost, and what will the gasket/resurfacing et cetera cost? Thank you