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Could be a leak in a radiator hose, or radiator. ==Answer 2, Another Possibility== It could also be the radiator cap pressure relief valve action which vents coolant and/or coolant vapor to the coolant overflow reservoir/tank when steam is created in the coolant passages in the engine block. When the engine is shut off, the residual heat in the block can cause the additional pressure and/or steam.j3h.
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What could be the hissing sound that comes from your under the car after you accelerate?
Exhaust leak? Vacuum leak?
Why is there a hissing noise from the heater controls?
Some systems use engine vacuum to move the control doors. You could have a vacuum leak.
Can a leakie PCV valve hose make a hissing sound and could it cause the engine to not want to start right away?
yes and yes
Why would an engine shake in a 2002 dodge stratus when the car is turned on?
the engine mounts could be bad
What could a pirate ship's name be?
The hissing serpant
Why will the engine not turn over when key on my Tahoe is turned on?
Could it be the battery or the spark plugs?
What could be a new pirate ship's name?
The hissing serpant
What could be a name for a new pirate ship?
The hissing serpant
What does it mean when you hear a ghost hissing?
Run!! It really could be a ghost!
What could cause a loud hissing sound from the front passenger side when the steering wheel is turned to the hard right after backing out then begin driving?
The passenger side front tire may be rubbing on the inner fender.
What does a vacuum leak sound like in a 93 suburban?
Could be a "hissing" sound
What might be causing a hissing noise in a shock absorber during rebound?
A cracked air cylinder could cause a hissing sound in a shock absorber during rebound. Another possible cause could be the seal.
