I have replaced the radiator and thermostat and ensured the coolant hoses were intact and tight. It's losing coolant at a rapid rate! Also I there is a loud ticking noise and my vehicle is losing power every time I press the gas peddle.
Have you pressure-tested the cooling system? Has the engine been overheated? If there are no signs of external leaks, you may have an internal leak. You may have a cracked cylinder head or a blown head gasket. Check the engine oil on the dipstick- is it pure oil or does it have bubbles of moisture on it? Does it smell like coolant? The ticking may be a result of little lubrication of the engine oil due to the presence of coolant. It would also cause your power issue.
SOURCE: Coolant still leaking from my 1996 Isuzu Rodeo.
There is a plastic heater pipe junction behind the inlet manifold against the fire wall that could be brittle and leaking.
SOURCE: coolant leak on top of engine behind thermostat housing unit.
on the back of the motor under the plentium the there is a coolant tube with o-rings the go bad found that in mine need to remove plentium and intake off i hade to get the parts from the dealer
SOURCE: My 96 Isuzu Rodeo does not indicate that it is
sounds like you might have a head or head gasket problem, combustion pressure leaking into radiator/cooling system causing pressure build up (hose swelling) the noise could also be from this failure.
get engine warm so hoses swell, turn off engine remove spark plugs leave radiator cap on and pressure from cooling system as is(hoses swollen) wait 5-10 minutes crank over engine with plugs removed and keep clear of spark plug holes, put paper in front of spark plug holes if water comes out of spark plug hole or slight wetting of paper with water head or head gasket is at fault.
SOURCE: 95 trooper overheats but replaced thermostat,radiator,cap,hoses.
make sure ur fan clutch is puling some air and replace rad cap with new onr u may have to replace radiator long trips not getting enough water cooled
SOURCE: My 98' Isuzu rodeo Has just blown Head Gasket how
If you are not very mechanically inclined leave this to a shop, head gaskets can be very complicated for some. the block can be flushed once the head is removed or even before. the fan is actuated by a sensor (usually on the radiator). Replace it since the motor got that hot. Sorry to say you may have warped the head or even cracked it if the heat was that high. You need to invest in a mechanics manual for your vehicle and read all that pertains to cylinder head R & R before you attempt any of this yourself
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