help me crazy rattaling noise coming from under hood
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Car: 1988 rs camaro
Engine: v6
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help me crazy rattaling noise coming from under hood
Ok just got to my grand parents house and there is a rattaling sound comming from the engine. Drove 200+ miles and need to drive back home on sunday. Sound is loud and crazy kinda like a coin in a can. I just hope it is not a droped valve that would **** me off. Maybe a push rod or rocker arm. I need to know help me out here. Oh and sorry about the way I write hella tired. Thanx for the help.
Break85
Break85
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Car: 1988 rs camaro
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Re: help me crazy rattaling noise coming from under hood
Oil is good sounds like a push rod how hard is that to replace and how much for the parts. I have a 2.8 any help is good help.
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Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
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Re: help me crazy rattaling noise coming from under hood
First you need to figure out which side.
Then is it rocker, pushrod, lifter, or flattened cam(has been happening alot lately due to new oil forumlas).
Then is it rocker, pushrod, lifter, or flattened cam(has been happening alot lately due to new oil forumlas).
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Car: 1988 rs camaro
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Re: help me crazy rattaling noise coming from under hood
The sound is comming from the driver side
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Re: help me crazy rattaling noise coming from under hood
Get a piece of tube and try to isolate exactly where it's coming from.
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Re: help me crazy rattaling noise coming from under hood
I had a Buick Park Avenue, that suddenly developed a low end knock. Long story short it wasn't a knock it was the crank pulley at the bottom of the engine. It has a rubber inside that is made to wear out. $200 part and I was back on the road.
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Car: 1991 firebird/1990 firebird
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Re: help me crazy rattaling noise coming from under hood
Does the noise change at all? Like with rpm or as it heats up or anything?
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Car: 85 IROC-Z
Engine: 355 TPI
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Re: help me crazy rattaling noise coming from under hood
The problem with the crank pulley is for the 3.8 or 3.3 only. The 2.8 and the 3.1 do not have that problem. as for the noise 2.8 are notorious for top end problems so you probably broke a rocker or or push rod. It could also be the flywheel or a bad wristpin. The wristpin connects the connecting rod to the piston. It's hard to diagnose without actually hearing it our self. If you can give us more info on how loud or if it changes when you rev it or going down the road.
Last edited by 85irocz355tpi; 12-17-2007 at 11:25 PM. Reason: left something out.
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Car: 85 IROC-Z
Engine: 355 TPI
Transmission: 700R4w/Shift Kit
Axle/Gears: B/W 9 Bolt-3.45
Re: help me crazy rattaling noise coming from under hood
The cam lobe problem is for flat tappet cams not roller cams and the 2.8 in 88 is a roller.
#14
Re: help me crazy rattaling noise coming from under hood
Originally Posted by break85
Oil is good sounds like a push rod how hard is that to replace and how much for the parts. I have a 2.8 any help is good help.
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Re: help me crazy rattaling noise coming from under hood
My lifters were noisy, so I put a can of Risloan in. Went away for good.
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