PSA - 100 series timing belt (1 Viewer)

[uzj100]

Team 100.

I am huge 100 fan so I need to share this PSA.
if your 100 ever does this, do not continue to crank. The timing belt broke on start up. This happened to my daughter and I would have done the same. She tried multiple times. Not sure of damage yet. I will keep you posted. This truck is a 99. Had 2 timing belts and was at 285k. We were doing next belt at 300k. She went off to college and truck was not driven for a month.

 

[JunkCrzr89]

Prob no major damage since it’s a ‘99.

 

[uzj100]

Prob no major damage since it’s a ‘99.

Fingers crossed

 

[Mike NXP]

Team 100.

I am huge 100 fan so I need to share this PSA.
if your 100 ever does this, do not continue to crank. The timing belt broke on start up. This happened to my daughter and I would have done the same. She tried multiple times. Not sure of damage yet. I will keep you posted. This truck is a 99. Had 2 timing belts and was at 285k. We were doing next belt at 300k. She went off to college and truck was not driven for a month.

What are you trying to show / warn us of in that video?

 

[uzj100]

The car cranks and all lights light up and does not start. Do not try again.

 

[uzj100]

Needs a motor. Any recommendations?

 

[Trunk Monkey]

Who's coming to that conclusion? Toyota literature says these are interference motors, but real experience here has shown that belt breaks aren't necessarily catastrophic for the pre-vvti motors.

If it does in fact need a motor, plenty of threads on it, most source a low mile Tundra/Sequioa motor and swap over the necessary items from the LC motor.

 

[Ager Venator]

I ran a 2000 with timing off 4 teeth on one cam for over 5,000 miles. Scoped it and no damage. You're probably just going to need a timing job.

 

[uzj100]

Timing components put back and no compression at all.

 

[97 AZ LC]

Get a second opinion. "It needs a new motor" is a common scam. It would be best if the second opinion is from you.

 

[uzj100]

Trusted mechanic. Hard to second guess this.

 

[Mike NXP]

The car cranks and all lights light up and does not start. Do not try again.

Trusted mechanic. Hard to second guess this.

I think the concept is that, yes you may need new head gaskets and a little TLC to get her up and running again, but it may just be another option to consider VS a replacement motor.

Would your mechanic be willing to rebuild / repair ?

 

[JunkCrzr89]

Needs a motor. Any recommendations?

I find that very hard to believe...

 

[Bisho]

In another thread they tore down a motor and proved (again) that this is a non-interference motor. It would have sounded like a jackhammer when your daughter turned it over if it was bending valves.

I'm assuming if your mechanic knew what he was doing he replaced the timing belt before he declared no compression on any cylinder. I know you trust your mechanic, but I think it may not have been reassembled correctly. Read through Timing belt job just done. Blown engine or savable? This is interesting guys!.

 

[uzj100]

Is it something he could be missing? Basically the belt was soaked from water pump leaking. Belt broke and broke crank sensor and water pump sprocket. Car was cranked over 15 times by daughter not knowing to stop.

 

[JunkCrzr89]

Timing components put back and no compression at all.

Timing Components installed incorrectly. That’s the only explanation I can think of for there to be no compression across all 8 cylinders.

 

[97 AZ LC]

Trusted mechanic. Hard to second guess this.

It may be hard but you still have to do it. If he's honest he's making a mistake of some sort. You need to find out what it is.

 

[abuck99]

Timing components put back and no compression at all.

I think timing might still be off (especially since it was cranked with no belt.) If I recall @2001LC encountered a similar situation where a customer brought him a low or no compression "blown motor" due to a timing belt break and subsequent TB install done by a different service shop which turned out the timing was way off.

Check this thread: Timing belt job just done. Blown engine or savable? This is interesting guys!

 

[fro20fow]

Post some pictures if possible. Do you know the brand of belt?

 

[uzj100]

Running compression test and will report findings.