Question about 2002 Toyota Corolla

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I have a 2002 Toyota Corolla with a 1.8 Liter engine, a loud tapping noise and loss of power. Not a rod knocking noise, because it sounds too fast. The sound seems to be in the top of the engine. Please send me any opinions on this issue. Thanks!

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  • Toyota Master
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It could be a sticky lifter or just valve clearnce adjustment .
I don't think the valves are hitting the tops of your pistions if so the engine is junk at this piont .
However valve back lash needs to be adjusted 80 to 100 ths mls .
Call the dealer or go then and tell the parts guy you want the procedure to adjust the valves .You will have to remove the valve covers this means new gackets and you will also need what is called a feller gauge to slide in between the rocker arm and the tips of the valves the clearnce it tight 14 ths intake and 17 ths for exhaust they get hotter so they expand more.
If when the cover is off and you see a push rod that moves up and down a lot more then the others I mean a lot more . Then you have a problem with that lifter its collapsed the return spring inside of it will not restore it to proper pisition to contact the rocker arm and it needs to be replaced

Posted on Mar 27, 2015

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  • Toyota Master
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I googled this: but you probably need more information to veryify.
2002 toyota corolla with a 1.8 liter engine interference engine
I believe there is a strong possibility this is an interference engine, and something has slipped in the timing belt or the camshaft gear. The sound is probably a valve hitting a piston. Otherwise a spring
on a valve has broken and it too is hitting a piston. This may be less damaging to the engine, but the first scenario can easily destroy the engine. Do not drive it or start it untill you get it sorted out. hopefully, it is not too late. Good luck

Posted on Mar 27, 2015

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SOURCE: 4.7 liter jeep motor making tappinf sound and motor is missing

sounds like the lifters losed prime! here is a little trick that ive learned add a half off quirt off transmission fluid to the oil to prime the lifter

Posted on Nov 30, 2008

GM Elec
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SOURCE: 4.3 vortec engine , engine noise, knocking or

The knocking or ticking is going to determine if it is in the top end, lifters, push-rod or rocker arm issue or the bottom end that would include pistons or bearings.
If it is a ticking noise, it will more than likely be a valve train issue.
If a knocking noise, piston or crankshaft related problem.

Attached is a web site that you can listen to a piston slap which is a known issue for your 4.3.
Listen to the noise and see if it sounds similar to your problem. A piston slap will generally sound as though it is coming from the central area of the engine.
Listen to the recording and let me know.
Regards,

Posted on Apr 19, 2009

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SOURCE: Loud engine knocking on 2001 Ford Focus

Sounds to me like a very common problem has occured to your neighbor. If this is a SOHC engine, one of the valve seats in the number 4 cylinder has fallen out. I'm sure it has damaged the head and the piston. Stop trying to run it or you might blow a hole in the cylinder wall or break a rod or both.

Posted on Aug 07, 2009

caroldon
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SOURCE: my toyota corolla nze 2002 has a rattling sound in the gear box

SInce any noise from within the engine/gear box cannot be taken lightly, it is important that you will need a good look from a service shop. If you have been carrying out the scheduled service in accordance with Toyota timings, there will not be an issue. You could check out if the noise is external,otherwise get you car to the authorised Toyota centre for an estimate. This will be better than trying out/ stipping and then waiting for spares. I hope my advise is helpful. good day

Posted on Jul 02, 2010

c1apton15
  • 3400 Answers

SOURCE: my 2001 saab 9-3 has a loud tick noise coming from

If it's from top side and you're SURE it's not lifters, it's probably a bad valve(s) or a "wrist pin" that holds piston to rod.

Posted on Mar 03, 2011

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