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Weird Hiss
Moderator: Micka
Weird Hiss
When I stop my D2 with SLS and get out I can hear a constant hissing sound for two minutes at least. At first I thought it was the SLS but now I think it's something else . On closer inspection I think it's coming from the engine block but it's always too hot too feel around when I get out. I though it may have been the head gasket. I released the cap from the cooling system to relieve presure and the hissing kept going. Tonight I shall try to locate the hiss further. What I was wondering is if anyone knew of the SLS hissing i.e. letting out air from the system after the car is stopped.
Vacume leak
Diesil Vac pump
petrol from brake booster.
fuel system blocked breather ect.
some ac s make a noice when vehicle is turned off.
few options.
Michael.
Diesil Vac pump
petrol from brake booster.
fuel system blocked breather ect.
some ac s make a noice when vehicle is turned off.
few options.
Michael.
Mitsubishi 2010 NT DID Pajero wagon, Factory rear diff lock, Dual batteries, ARB bar, winch, Mt ATZ 4 rib tyres.
1986 RR.
Custom suspension links etc.
HSV 215 engine.
4.3 diffs.
1986 RR.
Custom suspension links etc.
HSV 215 engine.
4.3 diffs.
It's a V8 , OK will check for vac leaks. Don't think it's aircon. Thanks boys. I guess the wierdest thing is I quickly went round and tried blocking the sound with my hand in different places. Now the only place the sound changed is when I put my hand near the exhaust manifold. Hence me thinking head gasket because my hand would be blocking the sound coming from the block. I will go around tonight with my ear on the end of a hose to try and locate it.
Thanks for the replys people. In the end it turned out to be a breather on the drivers side at the firewall which I traced back under the car to the charcol canister. Now, the breather had fallen onto the exhaust and melted, then it fell down to rest on the chassis and it actually looked like it ran into the chassis rail. The melted end created a very small hole that obviously made a noise as the breather was breathing. Now I have a question for d2 V8 owners. Can you please tell me if you recognise this breather and whether is is supposed to have a one way valve built into it. If you look at the end of the breather it has a peice in it the had melted. I have cut the melted end off and it's now quiet. This piece looks like it may have had a check ball in it. I think the breather was supposed to sit where the other two small ones are in the first pic.
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Last edited by POIDA on Thu Jun 23, 2005 7:32 pm, edited 1 time in total.
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