what happens when your cam belt snaps

john wan
Posting Freak

890

17-10-2019, 05:35 AM

#1

so ive already done a thread thought id do another one. So couple of weeks ago i was on my way home when my car decide that mid over take it would firstly show up the oil light ooooooooo what the fxxk was my initial reaction then as i started to pull over the other oil light came on then followed other oil light then by the transmit ion light at this point i realised that the engine was not running being the cunning person i am and all the years of watching pimp my ride :wink: i knew i had a problem, having had a cam belt go before after having a quick poke at the engine and finding enough tools to take bits off i stumbled upon the problem
[Image: IMG-20121114-00826.jpg]

now i can a sure you that the belt although its supposed to be wrapped around pullies
and tensioners that it shouldn't look like this if it does you got a problem.
so that's the cam belt side of things taken care of now cause the engine is essentially running as two separate parts now not together pistons start arguing with the valves :LOCMOD:

and end up looking like this
[Image: IMG-20121118-00853.jpg]

oil and ting in with the pistons was just where i took the head off was heavier than i thought the silver bits on the piston you can see in the picky is where the valve hit :Bazza: so anyway this is why cam belts should be changed regular and not expect the stamps in the lexus service book to be correct :gay:

Edited 27-11-2012, 03:12 PM by john wan.

toxo
Posting Freak

4,843

17-10-2019, 06:49 AM

#2

I don't know if it's relevant to your situation, but Toyota revised the service intervals for the IS200. When it was launched it was 100,000 miles between cambelt changes but they took this down to either 70,000 or 75,000 after some premature failures.

scudney
Junior Member

34

17-10-2019, 06:53 AM

#3

hi, its was taken down to 60000mls or six years whichever comes first.

john wan
Posting Freak

890

17-10-2019, 07:02 AM

#4

Yeah either way the stamp in thr book was well in date was one of them things kept meaning to do it but didn't get round to it oh well yuh learn eh still I've got bits for sale off the old engine if I can intrest you ha ha ha

scudney
Junior Member

34

17-10-2019, 07:08 AM

#5

True,its one thing i never mess about with,changed mine at 55,000 mls along with water pump,tensioner,idler etc,just costs too much when it goes "karput"

john wan
Posting Freak

890

17-10-2019, 07:12 AM

#6

Yeah I'm useualy sheet hot on geting it done been realy buisy lately so havnt got round to doin it still new engine new belt an clutch

rob
Senior Member

720

17-10-2019, 10:17 AM

#7

looks like the idler failed given the wear thru on the belt teeth.... is a good idea to pull the cam cover back every now and then to have a look at the condition.

what mods do u have on the engine?

john wan
Posting Freak

890

17-10-2019, 10:20 AM

#8

All standard except a fpr that's it by the look of the rest of the belt think it was just old an perished tensioner an idler was fine

Sparkystav
Administrator

14,683

17-10-2019, 03:53 PM

#9

Gutted mate!

What you doing with the engine? Replacing it all?

Read my thread here: The Evolution of my Turbo Lexus from NA-Supercharged-Twin Turbo-Massive Single
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