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I have a leak from the top of the head, is this typical?

I think i have an oil leak on the top of the head. Is that possible. and can i just torque them down to specs or do i have to replace them

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  • Motorcycles Master
  • 448 Answers

What year and make of bike?

Posted on Dec 06, 2012

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Posted on Jan 02, 2017

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SOURCE: Need cylinder and cylinder head torque specifications 98 XR 250

you dont need torque specs on that just use a 1/2 inch drive with you 14mm or16mm socket hold the wratchet right at the top and tighten it as tight as you could get it like that then use wratchet in normal position and just give it a little snugg it will be perfect i have done it a million time on the same type of bikes...

Posted on Dec 05, 2008

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SOURCE: 93 artic cat jag head torque pattern and specs

the best place to find it is the service manual. if not avail. i usually 1, tighten it to ~10-20Nm in a 'outwards spiral' fashion, ie start tightening from centre bolts outwards. 2, spiral tighten by 1/4 turn, 3, another 1/4 turn, and 4, final 1/4 turn.

Posted on Feb 13, 2009

heimlich
  • 1978 Answers

SOURCE: Possible head gasket leak. Need head bolt torque

18 to 22 ft pds

Posted on Sep 30, 2010

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Hi. Hyundai Getz We have skimmed head & block, pressure tested head & obviously replaced head gasket and bolts, torqued to the right settings and still leaking oil. Any advice? Charmaine South Africa


Looking at the above there are only two possibilities it was not installed correctly or there is a hairline crack in the head or block. Second thought, make very sure the oil is not coming from another source only showing between the head and block. Oil leaks can be very deceiving wrt where the actual leak is.

May 23, 2017 | Hyundai Cars & Trucks

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Replaced with brand new head but still pressure building up radiator blowing back replaced top and bottom tank


do not reuse the head gasket,they are single use only,make sure that you torque and retork each bolt in sequence,water jacket could be cracked inside the motor and leaking by a valve,check for oil in antifreeze and antifreeze in the oil

Apr 11, 2015 | Cars & Trucks

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Oil leak from head of 350 small block chevy


It will be either head gasket as the head has not been torqued down correctly/damaged gasket/warped head or rocker gasket leaking.

Mar 15, 2014 | Cars & Trucks

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2004 Honda civic 1.7 vetch. Car blew a spark plug out of head destroying coil and shorting out eld sensor. Put in heli coil, new plugs, ignition coil and eld sensor. Car started and ran perfect until...


If you had a head gasket leak then there would be higher oil pressure but I think you would notice other signs of problems. Air and oil are typically sucked into the carburetor or air intake from the top of the valve cover. This is the Positive Crankcase Ventilation (PCV) Valve. You could try changing this valve. They are cheap and it is pretty easy to do yourself. In Honda's they can have problems leaking oil from this point and if yours is clogged for some reason, that may help (not sure).

As far as blowing a spark plug out, that is a pretty big problem. Immense pressure has to happen for the threads to fail, unless the spark plug wasn't screwed in all the way. I would say there is a mechanical problem in your engine somewhere. Either timing is off slightly or a valve isn't working correctly, or there is something in the cylinder that hit against the spark plug.

How did they repair the spark plug problem?

Aug 09, 2013 | Honda Civic Cars & Trucks

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I just installed a new top end kit and collent is leaking out the threads on the head bolts


Possibilities ::

Head bolts not torqued --

Warped head --

Defective head gasket --

Head gasket not installed properly --

If you want to further discuss, let me know. --

Charlie

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Since having the head gasket replaced on my daughters 1990 Toyota Cressida we have been having a problem with oil leaking from the head. Apparently this is due to the screws holding the head down coming...


In my humble oppinion this is on your mechanic.There is no reason why a properly done job should leak that amount of oil.If those bolts are backing off they have either not got the right torque spec or they have over torqued the bolts and stripped the threads which is why they keep coming loose.If this is what has happened no amount of gaskets or locktite in the world is going to fix this.In addition did the car overheat because of the original head gasket. If so your head may be warped allowing oil to seep out.Try having the head decked or find another one from the wreckers.Regardless your mechanic should make this right ,I know I would! Good Luck

Oct 26, 2010 | 1990 Toyota Cressida

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Can i change a leaking top gasket at home? I want to remove the head and have it skimmed.I am reasonally mechanical minded. What is the torque for fastening the top nuts? Manie vd Merwe. Jeffreys Bay


VOLKSWAGONS YOU NEED CYLINDER HEAD REMOVE SEQUENCE AND CYLINDER HEAD TORQUE SEQUENCE.YOU NEED A REPAIR MANUAL FOR TORQUE SEQUENCE OR YOU WILL HAVE HEAD GASKET LEAKS. TORQUE HEAD BOLTS TO * STEP 1 * TORQUE BOLTS 30 FT LBS * STEP TWO * TIGHTEN BOLTS 44 FT LBS STEP 3 TIGHTEN BOLTS PLUS 90 DEGREES.* STEP FOUR* TIGHTEN BOLTS PLUS 90 DEGREES AGAIN.

Oct 02, 2010 | 1999 Volkswagen Jetta

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Oil leak in engine.Replaced the head gasket now oil is leaking somewhere in the engine. put in new head bolts 2 times but couldn't torque to specs. Why is there oil leaking and how can I find out what the...


Well, you might check the real main seals. Also, if you cant torque them to specs, the head could still be leaking. Your best bet is to lay a piece of cardboard under it and see where the oil drips from. Then trace the leak up from there. Otherwise, raking it to a shop might be your only resort. Good Luck.

Apr 02, 2010 | 1994 Toyota 4Runner

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Possible oil leak from head gasket or crack in


if oil is leaking from the the top to bottom, check the gasket below the cover that has the daewoo name and sign on on top of the engine block. it could be cracked. replace with new one without any gasket sealant just replace the original and done

Oct 06, 2009 | 2000 Daewoo Lanos

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