I have a 1983 mazda rx7, today when I changed the plugs I found antifreeze in the cylinders,,is this normal or

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how do i remove the heater core on my 1975 cadillac coup deville?

You have coolant leaking into the combustion space. This is will be caused by a leaking intake manifold or Rotor chamber.

My 2005 Nissan Sentra cranks excessively when starting. Does anyone know what the problem is?

don't know

my zetec engine is ok when 1st started but revs very highly and uncontrollably when clutch is engaged?

Sorry dude, sounds like a cracked block, a very bad thing.

if you take a muffler off of a small 2 stroke motor, will it effect the motor at all?

no that is not normal either you have a blown head gasket or a cracked head ether way its a timely fix

I have spots on the inside of my windshield right about in the area where the defrosters blow .?

not normal

I have a 1991 Suburban. What engine and/or transmission do you suggest to change to get a better MPG?

I used to have a Mazda and to be honest just get rid of it. Mazda's are horrible cars. And to answer the question no it isn't normal.

is there any mechanics who can tell me what car they would pick for themselfs , 2002 or newer?

Bad head gasket or worse, a cracked head or block!

am i being ripped off?

The head is cracked, consider another engine or another car.
The rotary engine is notorious for overheating.

Peugeot 307 Side light bulb change ?

No, it not. You need to change your caskets in your engine, if you don't you damage it beyond all repair or you'll blow your engine.

Peterbuilt air compressor for brakes?

Bad news most likely a warp head this can be fixed $$$

why water sepator warning light comes on and off in my pick up?

I have a 1986 RX-7. No, it's not normal for this to happen. You most likely have a head gasket that has a leak or crack. It's likely that you have white smoke coming out of your exhaust system. You may even see antifreeze in the oil pan or on the dipstick (it can either be separate or blended together to make a sort of light brown sludge) . If you have antifreeze in the oil pan, do not operate the car. You may need a rebuild or possibly a new engine and running the car with antifreeze in the oil could totally destroy your entire engine and any chance of a repair.

Do deutz F8L413FW Diesel engine have black smoke?

i mechanic for a living,and own a shop,,its not at all normal to find coolant there,,you need to check the head gaskets on it,,its either cracked a head or blown a gasket,,or you could have a hair line crack in the cylinder wall,either way its serious and needs to be found and repaired ,you should notice it in the running of if,,it may have a rough idle,,or a slight miss-fire in it when its running,,but id get is checked,,if you drive it,,the anti freeze will ruin the crank shaft in it,it causes the oil to bead up,and it will spin a bearing,,good luck with it hope this help,s.

How do you install replacement mirrors for a Mazda 626?

On that car, believe it or not, it may be normal. Those early rotary engines used what they called a "sub-zero starting system". There is a bottle under the hood that holds antifreeze, but is not a reservoir bottle. Mazda put a temperature sensor in the oil pan. If the sensor reads less than freezing (or is just disconnected or open for some other reason), A motor is turned on (about the size of a windshield washer motor) that sprays antifreeze into the intake. The coolant helps create a better cold seal between the rotor wipers and the rotor bore so that there is enough compression for the engine to start. I'm not kidding. Really.

Need help on a blown head?


Your car has what is called a Wankel or rotary engine. It does now have a cylinder head gasket. It also doesn't have a head, or cylinders.

Can I still drive with a bad alternator?

RX-7's don't have head gaskets (they don't have cylinder heads) and in fact, they don't have cylinders.

we have a 93 pontiac bonneville and it wont start. no click, just wont start, lights still work help?


Still, like any engine, coolant in the combustion chambers means serious damage. On a rotary that means a new motor because rebuilding these (especially if its a 12A) is a waste of time. You'll need 4-5 donor motors to get enough good parts to rebuild 1.

Is it possible to lift a truck without a lift kit?

Dude its a blown coolant seal...time for a rebuild or new motor....blow head gaskets! WTF their is not HEADS on a rotary...nor cylinders...wow and a crankshaft...WTF we RX7 owners have E-shafts...get it right ppl! lol

Break down in O2 sensor, will result fail in smog test?


yeah its a coolant seal...get if fixed fast!!
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