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Author Topic: hissing from engine  (Read 1501 times)

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simonc2829

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hissing from engine
« on: 12 July 2015, 15:48:15 »
Hi all got a strange problem with my 2.2 2001 it has a hissing sound from the engine which is louder when you first start the engine. The last two days the weather's been hot and after driving for about 2 miles the engine stalled then started up straight away it didn't stall again all day. Now the weather's cooler it's not stalling but it's running a little rough any help gratefully recieved
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kevinp58

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Re: hissing from engine
« Reply #1 on: 12 July 2015, 15:56:12 »
Sounds like a manifold air leak  :y Or a pipe off
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simonc2829

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Re: hissing from engine
« Reply #2 on: 12 July 2015, 15:59:14 »
Thanks for the reply. It sounds like it's coming from the manifold area hissing still there when warm but not so loud
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plym ian

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Re: hissing from engine
« Reply #3 on: 12 July 2015, 18:29:33 »
Sure it's not the serpent belt ;D ;D
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simonc2829

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Re: hissing from engine
« Reply #4 on: 12 July 2015, 19:11:59 »
Just had the belts and tensioners plus water pump all replaced seems to be coming from the top of the engine will book it in the garage see what they come up with
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05omegav6

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Re: hissing from engine
« Reply #5 on: 12 July 2015, 19:55:19 »
Be an air leak where two of the breather pipes crossover between the Camcover and the throttle body...
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PhilRich

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Re: hissing from engine
« Reply #6 on: 12 July 2015, 20:38:55 »
Are you losing any coolant? :-\
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If it ain't broke keep fixing it 'til it is!

simonc2829

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Re: hissing from engine
« Reply #7 on: 12 July 2015, 20:51:52 »
No coolant loss and the dipstick and oil cap are gunge free
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