Cracked Prado 1KZTE Diesel Heads

Submitted: Wednesday, Feb 11, 2009 at 10:19
ThreadID: 65882 Views:2022 Replies:1 FollowUps:0
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Seems to be a propensity for the 1KZTE Diesel donk to crack their head on the 90 series and early 120 series (pre D4D).

I was aware of this happening but my car wasn't displaying any of the normal symptoms that come with that type of damage.

After continued problems with rough starts and detailed tests, it seems the head was riddled with cracks.

Didn't have any over heating or loss of power. The dealer did detect bubbles in the water and the fact the radiator was very thirsty and pressured up very quickly once tested.

My biggest concern is how long had it been like that?

My advice to anyone with the 1KZTE to have a check done to see if the head is cracked.

Does anyone have any theories that might explain this fault in the engine head?
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Reply By: Member - Tour Boy ( Bundy QLD) - Wednesday, Feb 11, 2009 at 10:36

Wednesday, Feb 11, 2009 at 10:36
A lot of these factory turbos had probs, the surfs are a prime example, even the old 2.4 and 2.8 diesels when turboed were prone to this problem.
FIL's surf had cracks between the valves in every cyl.
Maybe there is too much compression for a turboed motor causing localised heat in the head (just a guess)

Cheers
Dave
Cheers,
Dave
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