Question about Toyota Camry

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'97 camry makes a rattling noise under the hood it is so embarassing. The noise starts as soon as the car is started and never stops, the noise increase when i accelerate. After i get to my destination i immediately smell a burnt scent. One mechanic sd it may be the lefters which is very pricy to fix and another one sd something totaling different which is no costly at all. Please tell me what do u think

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It does sound like one or more of your big end bearings has failed. Your valve clearances are more of a light sounding rattle, and don't usually give trouble unless the engine has become sludged. Camrys can suffer sludging if oil changes are neglected.

To get some idea what is wrong, have a mechanic remove the oil pressure sensor and insert an oil pressure gauge. You should see (when hot) about 10 psi per 1000 RPM or so. If this is down, you have bottom end bearing trouble.

Posted on Aug 05, 2017


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SOURCE: 97 toyota camry stalls after warm and at stops or

you will need to get the vehicle diagnosed thru dtc scanner. scanning the dtc's will tell the tech where to start and most likley exactly what the problem is. sounds like a possible cam or crank sensor.

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SOURCE: Knocking noise from under hood

ok the lifters are making noise, make sure you are using the right oil for your temp zone. also add some lucas oil to your engine oil, it will quiet down the engine.

Posted on Jul 31, 2009

  • 1 Answer

SOURCE: Car wont start, makes a clicking sound under the hood

2001 jeep grand cherokee when you turn the key all the light come on but wont start. Just makes clicking noise. replaced battery 2 weeks ago worked great. now back to same problem. Now comes the best part. When you turn the a/c switch on or the heater switch the car starts right up and runs fine. Turn them off and car wont start. Any body have any ideas where to look. This is driving me nuts cant find anything about this.

Posted on Mar 07, 2010

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I would start by splitting up the drive train to determine if it is accessory, engine or transmission related.
There are a number of things that can cause a problem like this.
1) Is the noise louder in drive or reverse.
2) I would start with heat-shields because of your "clank" description. Exhaust manifold, catalytic converter shields and any other you can find under hood or under body.
3) If all is good, check engine and transmission mounts. Make certain none have collapsed, cracked or broken.
4) If all good, remove all accessory drive belts and start engine to see if noise goes away.
That's a lot to start with, so let me know what you find and we will go from there.

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Try checking the heat shields on the exhaust pipe up front under the car. Alot of times they will loosen up, and begin to rattle. You can ither remove them, or try to clamp them.
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