LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

LS400 timing belt

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Old 08-17-08, 07:46 AM
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umair55
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Exclamation LS400 timing belt

Hey all

I am a new 95 LS400 owner and I just noticed a sticker on ma cars engine, in which it is written (timing belt 96k miles) which probably means tat the timing belt was changed during those mileage, and now ma car is on 225k miles..

1. Should I change the timing belt or It is ok to have it for some more mileage?

2. and I also wanna know if the timing belt breaks down in ma 95LS,, will it be risky to the engine or not? if yes then wat all damages will it cause?

3. And after wat miles the timing belt should be changed?

pls do help

thanx
Old 08-17-08, 12:35 PM
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PureDrifter
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please search

if ur belt breaks, your motor will die.
95 is the start of interference for the ls400.
Old 08-17-08, 02:11 PM
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ryanSC300lover
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I would change it, piece of mind.
Old 08-18-08, 06:22 PM
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GRAND_LS 4
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Well, if the owners manual advises to replace it at 90K, and you have about 130K on yours, then yes, I would go ahead and replace it.
Old 08-18-08, 06:58 PM
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steveski
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Like the others have said - change it if your budget allows. If it breaks the valves will hit the piston(s) causing substantial damage to heads, etc. (interference).
Old 08-20-08, 12:14 AM
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damon
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I am going to be a contrarian here.

Please run it until it does break & let us know what happens & what it cost?
Now that would be informative!!!

My attempts to do just that in my non-interference 94 model LS were subtrafuged when the fan support bracket bearing failed @ 168,000+.
Granted a I had less to worry about.
Old 08-20-08, 12:22 AM
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GRAND_LS 4
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Originally Posted by damon
I am going to be a contrarian here.

Please run it until it does break & let us know what happens & what it cost?
Now that would be informative!!!

My attempts to do just that in my non-interference 94 model LS were subtrafuged when the fan support bracket bearing failed @ 168,000+.
Granted a I had less to worry about.
Well, the water pump seized on my '93 SC400 consequently breaking the timing belt. (I lost all of my coolant in less then 5 seconds). The car wouldn't start afterwards, and made a strange noise.

Just had to replace the belt, and get a new water pump. The belt and pump were replaced around 90K, the SC has about 165K now. Had this happened on my other V8's, I would have been shopping for a new engine at that point.
Old 08-20-08, 12:26 AM
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PureDrifter
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on a non-interference (pre 95) i'd agree with you and say you COULD hold off til needed

but on a 95+ car you are GUARANTEED bent valves/messed up pistons if you snap a belt.
Old 08-20-08, 12:31 AM
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damon
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PD,

If he is to lazy to search he could at least provide this small public service.
Too much to ask??

I know the answer as to what it would cost, I just want it to sink thru to the masses. I would not go past 120,000 on an adult driven UCF-20.

If I had no idea how it was driven before current ownership I would at the very least get a visual inspection from qualified personel.
Old 08-20-08, 01:45 AM
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personally i wouldnt take the risk past 90k.
Old 08-20-08, 07:49 AM
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umair55
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Default thanx

thanx every1, I'll b changin it soon then
Old 08-24-08, 10:23 AM
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cjmeyer
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Why dance with the devil!If you intend on keeping it for awhile,you will have peace of mind.
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