D4D Prado engine noise
Submitted: Monday, Jan 11, 2010 at 23:37
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Qldrrr
Hi all, I have a 120 series D4D Prado, with only 14000 easy K's on the clock. I have just returned from a 1000K trip towing a Jayco offroad pop top, probably around 1.5 tonne I guess - no hard work but did some muddy roads with low level creek crossings. Anyway the prado has developed a noise best described as a 'vroom' sound under heavy acceleration - almost like a sucking sound when the turbo fires up. Toyota checked it today and could not find anything obvious, they believe the fan is just working harder but it makes this noise when the engine is cold also. Just had a look at the rubber housing under the bonnet that fits down around the top of the intercooler - wondering if this could this suck down some how. Toyota also suggested I take off the housing around the top of the radiator and rinse everything out - maybe mud stuck in the radiator causing it to heat up and the fan to kick up a gear - but the temp gauge hasn't moved? Has anyone had a similar experience or any idea's - thanks
Qldrrr