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Author
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Topic: Loud rattle like knocking noise
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SacGrown89GT
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Member # 7435
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So i was driving my car yesterday and everything was fine. Ran great as always. On my way back from my destination i stopped at a spot to get a bite to eat. When i got back into my car i noticed a rattle sound knockin noise. Its not too loud at idle but when i rev a little or go it gets loud. Kind of sounds like on the passenger side. Oil is good i just did oil change 1200 miles ago. Doesnt sound like exhaust leak but i will be getting under car to do some investigation. Any idea what to look for? Will smog pump cause a sound like this? Also it still drives great. Just knocks like a bi***! Any ideas will help. Thanks
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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Wht86drop
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Member # 12104
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posted
Cats?
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Jalapeña Red 86 GT Vert
Yellow 72 Chevelle
Rio Red 97 Cobra
High-Output Generations CC
Posts: 1669 | From: East Palo Alto, Fiji Islands | Registered: Jun 2012
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SacGrown89GT
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Member # 7435
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posted
No cats. O/r hpipe
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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Wht86drop
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Member # 12104
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posted
Take your serpentine belt off. It could be the air pump
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Jalapeña Red 86 GT Vert
Yellow 72 Chevelle
Rio Red 97 Cobra
High-Output Generations CC
Posts: 1669 | From: East Palo Alto, Fiji Islands | Registered: Jun 2012
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SacGrown89GT
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Member # 7435
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posted
Hopefully its not. I have to smog it next week. Ha fukin my luck. So if i get a shorter belt it will eliminate pump right? But i dnt wanna spend money on a belt i cant return, plus i have to smog soon. Any way to test if it is the pump
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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Wht86drop
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Member # 12104
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posted
Start the car with out the belt and see if it still does it. If it does use a long screw driver and put it to your ear. It should help you narrow it down to where it's at
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Jalapeña Red 86 GT Vert
Yellow 72 Chevelle
Rio Red 97 Cobra
High-Output Generations CC
Posts: 1669 | From: East Palo Alto, Fiji Islands | Registered: Jun 2012
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SacGrown89GT
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Member # 7435
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posted
Didnt know i could do that. Ok will try. If it stops most i have the problem. Thanks. Ill post back when done. Appreciate it ![[worship]](graemlins/worship.gif)
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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SacGrown89GT
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Member # 7435
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posted
Ok turned car on and got under it. Sounds like its coming from oil pan. Loud screeching knock
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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SacGrown89GT
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Member # 7435
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posted
Also took belt off and yeah. Its def coming from the bottom of engine by oil pan
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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92_5.0
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Member # 7624
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posted
sounds like your bearings are shot. Do you have any oil pressure? Stock bottom end? how many miles?
[ 2014-08-19, 12:29 PM: Message edited by: 92_5.0 ]
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Infineon/Sears point? same difference!
11.8 @ 115 mph @ Sac Raceway
411 rwhp 402 trq (old set up)
540 rwhp 517 rwtrq (new set up)
ET's to come
Posts: 1629 | From: bay area | Registered: May 2007
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SacGrown89GT
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Member # 7435
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posted
All stock. Oil pressure is fine. 157k miles.
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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SacGrown89GT
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Member # 7435
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posted
I have a video but dnt know how to post it
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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92_5.0
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Member # 7624
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posted
upload it to youtube then copy the link
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Infineon/Sears point? same difference!
11.8 @ 115 mph @ Sac Raceway
411 rwhp 402 trq (old set up)
540 rwhp 517 rwtrq (new set up)
ET's to come
Posts: 1629 | From: bay area | Registered: May 2007
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SacGrown89GT
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Member # 7435
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Im thinkin starter issue. Ive seen a couple videos on youtuve same exact noise and it was their starter. How do i get to top bolt
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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92_5.0
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Member # 7624
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posted
that doesn't sound like engine knock. Your right, sounds like the starter is staying engaged
[ 2014-08-19, 02:16 PM: Message edited by: 92_5.0 ]
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Infineon/Sears point? same difference!
11.8 @ 115 mph @ Sac Raceway
411 rwhp 402 trq (old set up)
540 rwhp 517 rwtrq (new set up)
ET's to come
Posts: 1629 | From: bay area | Registered: May 2007
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92_5.0
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Member # 7624
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posted
it's been awhile since I've been under my car, I'm pretty sure you'll need a long extension. I hope the flywheel isn't chewed up yet.
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Infineon/Sears point? same difference!
11.8 @ 115 mph @ Sac Raceway
411 rwhp 402 trq (old set up)
540 rwhp 517 rwtrq (new set up)
ET's to come
Posts: 1629 | From: bay area | Registered: May 2007
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SacGrown89GT
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Member # 7435
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posted
Flywheels looks good. I got bottom bolt off starter but top is a bitch to get to. Im stuck
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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92_5.0
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Member # 7624
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posted
it should be pretty easy with the right extension, if you don't have one grab a cheap one from harbor freight if you can
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Infineon/Sears point? same difference!
11.8 @ 115 mph @ Sac Raceway
411 rwhp 402 trq (old set up)
540 rwhp 517 rwtrq (new set up)
ET's to come
Posts: 1629 | From: bay area | Registered: May 2007
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SacGrown89GT
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Member # 7435
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posted
Ha mustang is my dd. Now i gotta wait till wife gets off work.
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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92_5.0
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Member # 7624
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posted
ahh ok lol.
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Infineon/Sears point? same difference!
11.8 @ 115 mph @ Sac Raceway
411 rwhp 402 trq (old set up)
540 rwhp 517 rwtrq (new set up)
ET's to come
Posts: 1629 | From: bay area | Registered: May 2007
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i
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Member # 12534
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posted
If its a aod its gunna be a bitch to take off! I took off mines by removing the header but you can remove the bolt off under and through the k member with a long ass extention and a swival.
Posts: 1901 | From: Sacramento | Registered: Nov 2012
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SacGrown89GT
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Member # 7435
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posted
Ok jus got home from harbor freight. Bought way more shit than i needed haha. Yeah its a AOD so wish me luck
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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92_5.0
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Member # 7624
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posted
haha it's damn near impossible to walk out of that store without buying something...Good luck and let us know how it goes ![[patriot]](graemlins/patriot.gif)
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Infineon/Sears point? same difference!
11.8 @ 115 mph @ Sac Raceway
411 rwhp 402 trq (old set up)
540 rwhp 517 rwtrq (new set up)
ET's to come
Posts: 1629 | From: bay area | Registered: May 2007
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SacGrown89GT
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Member # 7435
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posted
Hell yeah. Every isle u walk down u wanna grab at least 1 item. Starter just taken off. Looks like it was getting stuck and hittin flywheel. Taking it to auto store to have them look at it. But ima jus buy a new one since it looks original anyway.
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"Your shit aint hot!"
"No but its faster than your shoes"
"...."
Posts: 699 | From: SacGROWNmento | Registered: Feb 2007
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