Just changed the timing belt: Wow! What a differece! - Toyota Nation Forum : Toyota Car and Truck Forums
3rd & 4th Generation (19921996 & 19972001) Toyota Camry Discussion for years: 1992-1996 & 1997-2001 Topics of discussion range from fuel economy, safety, modifications, performance all involving America's favorite family car, the Toyota Camry.

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#1 Old 09-07-2006, 08:37 PM
'00 Camry V6 (1MZ-FE)
 
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Thumbs up Just changed the timing belt: Wow! What a differece!

I just have all the belts and water pump changed at the dealer, wow! what a difference. I've been having this V6 camry for 3 months, and I have never truly experienced the V6 power until now. I've always thought that the auto tranny must be the reason slowing the car down.

Now, I only need a little throttle, then the car will go.

So, tight belt == better performance? Or maybe the belt was loose before it was changed?
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#2 Old 09-07-2006, 08:47 PM
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Quote:
Originally Posted by NewRacer
I just have all the belts and water pump changed at the dealer, wow! what a difference. I've been having this V6 camry for 3 months, and I have never truly experienced the V6 power until now. I've always thought that the auto tranny must be the reason slowing the car down.

Now, I only need a little throttle, then the car will go.

So, tight belt == better performance? Or maybe the belt was loose before it was changed?
Is this also true for the 4 cylinder?

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#3 Old 09-07-2006, 09:24 PM
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I don't think changing a belt will make any performance difference... correct me if I am wrong...
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#4 Old 09-07-2006, 09:30 PM
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All that was changed was the water pump and belt?

Perhaps the belt has been changed in the past, and whoever did it had the timing off just a little bit, I dunno.

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#5 Old 09-07-2006, 09:34 PM
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I'm thinking it didn't give more performance, NewRacer regained what he should have had from having a worn belt.

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#6 Old 09-07-2006, 09:42 PM
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Quote:
Originally Posted by renmike
Perhaps the belt has been changed in the past, and whoever did it had the timing off just a little bit, I dunno.
I had a tune up (timing and spark plugs) last month, but didn't feel a difference.

Quote:
Originally Posted by RningOnFumes
I'm thinking it didn't give more performance, NewRacer regained what he should have had from having a worn belt.
Possibly.
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#7 Old 09-07-2006, 09:43 PM
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timing was out on old belt is my guess.

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#8 Old 09-07-2006, 10:56 PM
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Quote:
Originally Posted by v-cam
timing was out on old belt is my guess.
No, I did a tune up last month.

So it must be the old belt was worn. I only had 78k miles, Toyota suggested timing belt change every 90k, but apparently it's already worn before 90k.
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#9 Old 09-07-2006, 11:08 PM
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If it was your belt causing your lack of power, it means it was probably stretched causing the timing to be out no matter how much you tune it.

so yeah, timing was out.

No belt will ever add kw, you have just got it back in tune. thats it. welcome back to stock power!

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#10 Old 09-08-2006, 12:24 AM
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Quote:
Originally Posted by NewRacer
I had a tune up (timing and spark plugs) last month, but didn't feel a difference.



Possibly.
No, not possibly...DEFINETLY.
I somehow doubt this, changing a belt will not give you performance, UNLESS it was incorrectly timed in the first place. And if it was a cam gear that was out, the engine would not have run very well at all..rough...idling problems etc.
The only way it could have occured if thats all that was changed is, the person wouldve retimed the engine after the job...and perhaps set it to the CORRECT ignition advance..maybe it was running retarded that whole time.

Stretched belt, tight belt ETC..= Bullshit.

The V6's have AUTO tensioners that take up the slack and PREVENT the belt from loosing its tension or gaining it for that matter.

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#11 Old 09-08-2006, 12:34 AM
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you would have to be nuts to retard the engine, all timing info is under the bonnet, the mechanic must have been blind. bad mechanic!

mate, did you fill up with higher octane fuel after the belt was replaced, maybe they replaced your air filter aswell, your old one clogged? or cleaned your intake? maybe its all in your head? could be a million things.

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#12 Old 09-08-2006, 01:00 AM
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Quote:
Originally Posted by v-cam
mate, did you fill up with higher octane fuel after the belt was replaced, maybe they replaced your air filter aswell, your old one clogged? or cleaned your intake? maybe its all in your head? could be a million things.
No, only belts (all the belts), and water pump have been changed. I use premier gas all the time, and the air filter is K&N, which is less than 3 months old. Timing was adjected last month at the tune up. So, my old belt must have been worn.

I don't know why, but the difference is vast! I used to turn the overdrive off when going home (uphill), now I don't need to. kind of weird......but I love how it drives now!
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#13 Old 09-08-2006, 08:03 AM
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im with the majority of people here, a new timing belt should not have any effect on power. maybe they also cleaned your throttlebody as a simple and kind gesture while it was in the shop?

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#14 Old 09-08-2006, 08:40 AM
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Quote:
Originally Posted by JetspeedCamry

Stretched belt, tight belt ETC..= Bullshit.

The V6's have AUTO tensioners that take up the slack and PREVENT the belt from loosing its tension or gaining it for that matter.
Man, at least someone in this discussion has some sense. An old timing belt will not effect performance, no ifs, ands, or buts. It just doesn't, and anyone that still believes otherwise shouldn't be giving advice on car repair. If the timing was off by 1 tooth, then you would really know it, as it would run like garbage.

I think some of you are confused between cam timing and ignition timing. Doing a 'tune up' will not affect cam timing. I dont know if the OPs car has a distributor or not, but if it does, you can change the ignition timing with that.

Chances are that either the ignition timing was fixed at the distributor end, or this is merely a result of having the battery disconnected and the adaptive fuel maps were reset. Either that, or its all in your head.

BTW, this comes from someone who has changed multiple timing belts and chains.

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#15 Old 09-08-2006, 08:13 PM
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Quote:
Originally Posted by hooRAH
Chances are that either the ignition timing was fixed at the distributor end, or this is merely a result of having the battery disconnected and the adaptive fuel maps were reset. Either that, or its all in your head.
When I first got the car 3 months ago, it just didn't feel that powerful. My friend has a 95 Honda Accord V6 and his car felt a lot powerful than mine did. So I did a tune up (both timing and spark plugs), I changed the air filter, fuel filter, oil, and cleaned the throttle body. Also, I use premier gas only. Didn't make a hugh difference though.

After the timing belt change yesterday, my car just feels a lot more powerful than his 95 Accord V6 as it should, and it's definitely not in my head. So, something must be wrong before the timing belt change. Now the car just feels right.

Could it be a worn belt that was affecting the performance? Or could it be the water pump?
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