sudden loud tapping

Submitted: Monday, Jul 25, 2011 at 16:00
ThreadID: 87780 Views:12802 Replies:12 FollowUps:4
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Hi all
About 10km south of Larrimah on our way to Elliott, the trusty HiLux went from an intoxicating purr to a sudden loud BRRRRRR, almost like a 2-stroke. There's a loud tapping from around the head and a waffle coming from the snorkel inlet.

We had no choice but to limp it to Katherine where we finally managed to make an appointment with a mechanic tomorrow. We are now a family of 4 in a van park with the possibility of a hefty bill, with a daft dog.

I'm not burnig oil or extra fuel that I have noticed, she's not running hot or losing coolant. She's noisy and seems to have reduced power. I have heard that it may be lifters, valves or perhaps a timing belt that has skipped a tooth. It starts fine, it's just really noisy! It's not skipping or misfiring. Oil was changed 1000km ago with its usual penrite, filter too. It has a new snorkel and tappets were done about 4 months ago. Any ideas?!

Thanks guys.

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