Question about 2006 Isuzu Ascender

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Radiator fluid leaking inside of isuzu ascender on passenger side

Also puddle of radiator fluid ends up inside of a compartment in trunk

Posted by Anonymous on


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Get engine hot. (called normal opr, temp, 180f or more)
parked idling
then the cooling system is under pressures, 14psi.
under those magic conditions all leaks now leak.
how can it not?
then you find it. find the exact spot
only you can do this or your mechanic.
we can not , not ever, here in blindsville.

look under dash and under hood
see those 2 heater hoses, from bay to cab? yes,.
passing through the fire wall
see if it's just hoses that leak.??? cheap fix..
if the hoses are dry and not squirting like all do bad, under 14psi, pressure.
then the core is GONE, (rusted out)
the cores fails only if you do not do service on the car. keeping fresh, AF in the loop.

and checking the fluid with acid test strips, etc.
for fluid that is no longer effective.(acidic)
if the fluid is allowed to go acidic, the core is doomed and the main radiator is next.
there is the cause and cure. all in one post.

if heater core is bad.
log in to mitchell's, and read. (google it)
HVAC chapter, and core swaps.

Posted on Dec 02, 2016

  • 1 more comment 
  • Anonymous Dec 28, 2016

    inside of a compartment in trunk

  • Anonymous Dec 28, 2016

    the trunk thing is , wow,

  • Anonymous Dec 29, 2016

    if the fluid is clear and clean and not AF
    that is condensate and the Condensate drain tube is clogged
    the AF is toxic so dont taste it.
    sniff it.
    take some strips of paper. white
    dip it in the mess. (puddle)
    is it clear?, or does it match the color of YOUR AF. in the RAD.
    if AF, the core or just a hose is bad
    try to assume the best, a hose.
    and not rip the whole dash apart and 10 hours labor.


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  • Isuzu Master
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You have a leaking heater core.

Posted on Dec 01, 2016


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Posted on Jan 02, 2017

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SOURCE: Isuzu Ascender Fuel Filter

The fuel filter is located with the fuel pump inside the gas tank

Posted on Oct 28, 2008

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SOURCE: 2001 isuzu rodeo transmission leaking

That is a common problem on this transmission. You can get one from a transmission parts supply company. It is held in with a snap-ring and it has a big spring pushing it out towards the snap-ring. It must be pressed in while the snap-ring is removed. Its best you get someone that has done this before. It is a servo cover, looks like a small hockey puck. Replace and fill fluid and drive on.

Posted on Apr 22, 2009

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SOURCE: have to replace my alternator on 2006 Isuzu

IF the belt has a convoluted path, take a snapshot of it to avoid problems later. Also, always disconnect the negative battery terminal first, then the positive terminal.
You might use dielectric grease on any current carrying connections when reassembling stuff; at the least, some Vasoline. This will stave off future corrosion for a while.

Posted on Oct 30, 2009

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SOURCE: 2007 isuzu Ascender keyless entry. I can hear a

sounds like a bad lock mech open door up and check acuator

Posted on Jan 22, 2010

  • 1 Answer

SOURCE: whining noise from engine compartment

Its the pully. I have a 2006 and had the same issue. It went on for months and I was told it was "normal". Well the bearings on the puly were blown and it broke the belt while I was driving. Cost 20 bucks to fix.

Posted on Feb 08, 2010

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