| | Hissing sound after shut off |  |
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Shintsu
Expert
Name : Shintsu
Joined : 2007-10-14
Post Count : 2979
Merit : -16
| | Subject: Hissing sound after shut off Mon May 26, 2008 1:21 am | |
| After I shut the car off today when I finished gutting the airbox I opened the hood to fix a connector for my air horns. They came unhooked when I was moving things around apparently. Anyways, when I had the hood up I heard this hissing sound. I don't recall ever hearing it before, but it sounded like it was coming from the side with the S/C snout. Is this normal or is something leaking? It stopped after the car sat for about 15 seconds so I'm unsure what it could be unless I knocked something loose, but that should've been on the other side of the hood. | |
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T Riley
Guru
Name : Travis
Age : 34
Location : Minnesconsin
Joined : 2007-02-08
Post Count : 5127
Merit : 10
| | Subject: Re: Hissing sound after shut off Mon May 26, 2008 2:49 am | |
| - Shintsu wrote:
- After I shut the car off today when I finished gutting the airbox I opened the hood to fix a connector for my air horns. They came unhooked when I was moving things around apparently. Anyways, when I had the hood up I heard this hissing sound. I don't recall ever hearing it before, but it sounded like it was coming from the side with the S/C snout. Is this normal or is something leaking? It stopped after the car sat for about 15 seconds so I'm unsure what it could be unless I knocked something loose, but that should've been on the other side of the hood.
its normal............... it could be a snake too or somethin | |
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Shintsu
Expert
Name : Shintsu
Joined : 2007-10-14
Post Count : 2979
Merit : -16
| | Subject: Re: Hissing sound after shut off Mon May 26, 2008 2:54 am | |
| lol, I'll make sure I've got a shovel handy. I don't usually open the hood after I've driven the car around so I didn't know if it was normal or not. You know, this reminds me of when I was a little kid I always heard the exhaust ticking after the car was shut off and I thought there was something wrong with the car. We had a Plymouth Acclaim that did it really bad and a '93 Bonneville that did it a lot too. I always thought it was so strange and I got out and looked at the car (Even though I had no idea what I was looking for). | |
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T Riley
Guru
Name : Travis
Age : 34
Location : Minnesconsin
Joined : 2007-02-08
Post Count : 5127
Merit : 10
| | Subject: Re: Hissing sound after shut off Mon May 26, 2008 3:02 am | |
| - Shintsu wrote:
- lol, I'll make sure I've got a shovel handy. I don't usually open the hood after I've driven the car around so I didn't know if it was normal or not. You know, this reminds me of when I was a little kid I always heard the exhaust ticking after the car was shut off and I thought there was something wrong with the car. We had a Plymouth Acclaim that did it really bad and a '93 Bonneville that did it a lot too. I always thought it was so strange and I got out and looked at the car (Even though I had no idea what I was looking for).
Nah i was kiddin bout the snake..... obviousely BUT, don't worry about the hissing, i changed the oil on a 05 Hummer H2 once, and i told my boss that i heard something moving in the back, he said "don't worry about it , its not yours" turned out the guy had a boa constrictor in the cargo! AHHHHHHHHH  | |
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deekster_caddy
Master
Name : Derek
Age : 52
Location : Reading, MA
Joined : 2007-01-31
Post Count : 7717
Merit : 109
| | Subject: Re: Hissing sound after shut off Mon May 26, 2008 12:46 pm | |
| Probably the A/C pressure equalizing out. | |
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Mr.Riviera
Expert
Name : Matthew
Age : 38
Location : Florida
Joined : 2007-01-17
Post Count : 4394
Merit : 101
| | Subject: Re: Hissing sound after shut off Mon May 26, 2008 9:18 pm | |
| i 2nd the A/C as culprit. and the ticking you may hear after a car is turned off is sometimes just the exhaust cooling down and creaking/ticking. _________________ 1996 with 254k miles, L32 4" FWI -> ported N* -> Ported Gen V w/3.0" Pulley, Stage 3 Phenolic I/C, ZZP FMHE, 1.84 RR, Headers and 3" pipe to mufflers, F-body brakes, and lowered on Eibachs. -RIP AMG C400 White on black. Stage 2 w/E30 - 11.9@117 -daily  | |
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AA
Administrator
Name : Aaron
Age : 47
Location : C-bus, Ohio
Joined : 2007-01-13
Post Count : 18452
Merit : 252
| | Subject: Re: Hissing sound after shut off Tue May 27, 2008 9:08 am | |
| Normal. Mine has always done this. I suspect the A/C may be purging? _________________ '05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch^^^ SOLD ^^^  '70 Ninety-Eight Holiday Coupe 455cid • 116k miles^^^ SOLD ^^^ | |
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