Question about 1996 Isuzu Rodeo

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What is the Radiator Cap Pressure for Isuzu Rodeo 1996 2.6-4cyl

What is the correct pressure cap for a 1996 standard Isuzu Rodeo 1996 4-cyl 2,600cc?

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Cap pressure is best determined by going to the auto parts store and buying a new one. You can ask the counter guys to look it up online before actually buying.
Most radiators today run 15 PSI, but the cap is just a safety valve, and has nothing to do with controlling the actual pressure. The thermostat does that, and if your having boil over problems, then you need to be looking to other causes (plugged radiator, bad water pump, etc.).

Posted on Jan 23, 2009

  • george haskell Mar 11, 2012

    radiator cap pressure controls pressure, not thermostat.


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I replaced water pump, thermostat and radiator. My heat works fine, but the car still seems to be running hot. There is steam coming from the container that says "coolant only" any ideas why?

if you say there is steam coming from the "coolant only" overflow reservoir, then the first thing I'd inspect is the integrity of this overflow coolant tank. if you believe the cap is in working condition, take a careful look at the tank itself. so as to rule out any cracks or deformities which may compromise this parts ability to build and retain the necessary pressure for the cooling system to operate in the manner for which it was designed. hope this helps!

Apr 09, 2015 | 1999 Isuzu Rodeo

1 Answer

No fuel pressure

Check your fuel cap, make sure the seal is still on the cap and not damage.

Apr 22, 2014 | 1997 Isuzu Rodeo

1 Answer

Radiator is building up steam pressure?

Possible that the pressure cap is faulty, there is leak within the radiator in case there is drop in level and also if the colling fan is faulty. check the motor to work with good ventillation.
Finally drain the coolant and reset.

Jun 05, 2012 | 2003 Isuzu Rodeo Sport

1 Answer

Cannot figure out the firing order for my 1991 isuzu rodeo

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Apr 08, 2010 | 1991 Isuzu Rodeo

2 Answers

My 1994 isuzu rodeo seem to be losing power it start when my gas cap got stolen. I drove it for about 2 day with out a gas cap then it start to act as if was losing power.

this is a comen problem your fuel system is fuel injected and needs to be a sealed , with out the corect presure the fuel is not deliverd properly ,i would sugjest a factory gas cap to insure proper pressure hope this helps

please post responce

Jan 07, 2010 | 1994 Isuzu Rodeo

1 Answer

My 96 Isuzu Rodeo does not indicate that it is overheating but the hoses connecting to the radiator swell up and look like they are ready to pop. Now, there is a really loud noise like a metal fan hitting...

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.

Jun 13, 2009 | 1996 Isuzu Rodeo

1 Answer

99 Rodeo 3.2 V6 fuel injected .

sounds like u may need a new fuel pump, the problem is the system doesn't hold fuel pressure after shut down, the check valve that does this is part of the fuel pump in the gas tank.

Jun 10, 2009 | 1999 Isuzu Rodeo

2 Answers

Blown head gasket. what is the cause? there is very high pressure in the radiator and eventually a lot of air and little coolant. it then starts over heating because all the coolant gets pushed out at the...

Running hot will cause head gasget to fail. Or if head is not torqued properly, or a faulty head gasget. Pressure in cooling system means, blown head gasget or cracked head.

Mar 05, 2009 | 1997 Isuzu Rodeo

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