Timing belt inspection/replacement - how do I? - Club Lexus Forums


Timing belt inspection/replacement - how do I?

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Old 02-17-17, 08:30 AM   #1
Returd
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Default Timing belt inspection/replacement - how do I?

I'm uncertain of the condition of my timing belt in my 92 SC400 with 200,000 Miles (320,000 km I'm Canadian eh). The car is in great shape, rust free and from what I can make out was dealer maintained till at least 125,000 miles (found a work order with just over 125,000 miles on it from 2000). The car may have been dealer maintained right until I picked it up. The water pump does not look new, so if it was done on schedule it was a while ago (not sure what the scheduled change interval is anyway).

I've looked here for answers, but didn't find anything.
http://www.clublexus.com/forums/sc-1...tart-here.html

I'm planning a 2500 mile trip soon and am uncomfortable not knowing the condition of this important maintenance item.

Is my engine a non interference engine? In other words, if the belt breaks am I going to put a valve through a piston?

Can I inspect the belt by pulling a valve cover?

Is there a detailed "how to" belt/water pump/tensioner procedure here somewhere that I've missed.

I'm not afraid of doing the job but am pressed for time. At the other end of my trip a friend out in Vancouver has offered his garage, tools, company and beer to get the job done there. Sounds nicer than working in my unheated garage here out east.

Last edited by Returd; 02-17-17 at 08:34 AM.
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Old 02-17-17, 04:13 PM   #2
t2d2
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Non-VVTi (pre-'97) 1UZ engines are non-interference. (Edit: Meant pre-'98. '97 and older.)

You can see the timing belt by removing one of the spark plug covers. The driver's side cover is the easier one to quickly pop off.

http://www.lexls.com/tutorials/engine/timingbelt.html

Last edited by t2d2; Yesterday at 10:33 AM.
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