Mechanics

WHAT WOULD CAUSE WHITE SMOKE TO COME OUT OF MY EXHAUST

1995 Honda Civic • 4 cylinder FWD Manual • 220,000 miles

I recently had to replace my engine when I replaced it I changed all belts, hoses, cleaned the surface of the head and the block, and put all news gaskets in. When I went to go start it up is was running fine and than a couple of minutes later it starting blowing white smoke out from the exhaust in thick clouds.
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Apac408
August 18, 2012.




Where is the oil leaking from, front or rear?

The cylinder head gasket cannot be the cause of that, unless you have something trapped between the gasket layers. Oil cannot go into the cylinders via the gasket because this means you have no compression due to leakas and the engine is not going to run smoothly.

Reconfirm the leak. It should be external, most likely valve cover gasket, distributor or V-tec solenoid valve assy (if equipped) if from end of engine. Front of engine leakage means the camshaft seals.


KHLow2008
Aug 26, 2012.
It is leaking from the front of the engine where the engine block seals up with the cylinder head, and I can't seem to find where my cars camshaft seals are I have a d16z6 head


Tiny
Apac408
Aug 26, 2012.
Seal is behind the cam pulley. When you removed the camcarriers you did not check or replace it? You need to have a little sealant between the carrier and cylinder head.


KHLow2008
Aug 26, 2012.
Ok so what do you mean put a little sealant between the carrier and cylinder head, and visual picture would be much appreciated and also too I remember something about replacing cam carrier o-rings where do those go pictures would be appreciated here as well if able to supply them.


Tiny
Apac408
Aug 26, 2012.
# 1 camshaft holder at timing belt side has an oil seal under it. Sealant has to be applied under it when installing to prevent oil leaks. You need to apply sealant to the # 5 holder as well.

If your engine is V-tec, it would not have the o-ring. The plug seal would be inside the valve cover and if the seals are hardened, you would need to replace them.


KHLow2008
Aug 26, 2012.
Ok I applied sealant now the only other place where it is leaking from is right at the front left corner between the engine block and the cylinder head it starts from there and stops halfway between the headers


Tiny
Apac408
Aug 26, 2012.
You need to find the exact source of the leak to be able to rectify it.

I don't know where you are refering to so how about a pix?


KHLow2008
Aug 26, 2012.
Here is a diagram location of where it is leaking


Tiny
Apac408
Aug 26, 2012.
Check the distributor O'ring and the # 5 cam holder. You need sealant between the cam holder and head. The leak would look as if it is from between the heads as oil woul flow down from above and accumulate at the head.
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KHLow2008
Aug 27, 2012.

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