Could lack of oil cap cause "cracked engine head"?

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Old 30 Nov 2006, 06:46 pm   #1 (permalink)
jaynews
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Default Could lack of oil cap cause "cracked engine head"?

My female friend has a Toyota Camry 4 cylinder with around 133K. She had it
serviced 2 weeks ago and they changed the oil. It was leaking something
recently (we thought it was anti-freeze). The people who serviced it 2
weeks ago took a look at the car and said it was missing an oil cap and down
to 2 quarts of oil. Could the lack of a cap cause the oil to get too low
and then cause a "cracked engine head"? Is that same as a cylinder head?

What I don't understand is that my friend says there was no indication that
the engine overheated and no oil check light was lit up on the dash. Seems
to me that if it really were true that the lack of an oil cap (negligence)
caused the car to lose oil and crack the engine, then something on the
dashboard should have lit up beforehand, which my friend says did not
happen. I don't know what to make of the whole thing. What do you think?

J


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Old 01 Dec 2006, 05:33 am   #2 (permalink)
Jason James
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Default Re: Could lack of oil cap cause "cracked engine head"?


"jaynews" <jaynews@verizon.net> wrote in message
news:ZXKbh.22592$w37.18538@trnddc08...
> My female friend has a Toyota Camry 4 cylinder with around 133K. She had

it
> serviced 2 weeks ago and they changed the oil. It was leaking something
> recently (we thought it was anti-freeze). The people who serviced it 2
> weeks ago took a look at the car and said it was missing an oil cap and

down
> to 2 quarts of oil. Could the lack of a cap cause the oil to get too low
> and then cause a "cracked engine head"? Is that same as a cylinder head?


Yes.
The leak you speak of, if its green or red watery stuff, it is indeed
coolant and depending on how much it lost and how long she drove it with low
coolantm its possible it may have a damaged head,.BUT, before that happened,
the coolant or engine temp gauge would have indicated very high.

On the otherhandm the person who left the oil-filler cap off is responsible
for the 1/2 a sump's worth of oil being lost. This loss of oil, probably did
not cause any problem as the engine will function with this low level OK,



> What I don't understand is that my friend says there was no indication

that
> the engine overheated and no oil check light was lit up on the dash.


In both cases, that means no damage should have occured,...good news!

Seems
> to me that if it really were true that the lack of an oil cap (negligence)
> caused the car to lose oil and crack the engine, then something on the
> dashboard should have lit up beforehand, which my friend says did not
> happen. I don't know what to make of the whole thing. What do you think?


She didn't lose enuff of either fluid to effect the engine. The person who
left the oil-cap off, should be barred from working on the car :-)

If however, the engine does have a cracked headm it will push coolant out of
the system in most cases. Take it for a short drive, and check whether it
loses coolant, It will after an intial fill, vent some coolant into the
coolant resevoir container, but this should stop after 15 mins of normal
driving.

Jason


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Old 12 Dec 2006, 10:40 pm   #3 (permalink)
sqdancerLynn
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Default Re: Could lack of oil cap cause

Question is terminalogy IS it the head cover or head that it cracked??
Could have brokrn the head cover where the oil cap goes ???

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Old 13 Dec 2006, 07:00 am   #4 (permalink)
m Ransley
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Default Re: Could lack of oil cap cause "cracked engine head"?

Who said it was only down 2 quarts, the guy who left the cap off? Maybe
it was near empty and your low warning system doesnt work. A cracked
head is usualy caused by no coolant. But the mechanic still screwed up,
how do you know he is now correct that the head is cracked. Get a
different opinion.

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