I never hear or see my radiator fans on

Tiny
HPQUINN
  • MEMBER
  • 1997 TOYOTA AVALON
  • 3.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 265,000 MILES
First of all, I have a known leak in my A/C line (2) as well as a leak at the expansion valve. Pepboys quoted me over $1,000.00 to fix. So I'm going to try and attempt to replace the suction line and discharge line as well as the expansion valve myself. Anyone know where I can find a diagram that may help?

Also, my car has only gotten to the halfway point for the engine heat (it has never gone above that) but when I'm idling, I can sometimes smell a burning rubber type of smell and anytime I look under the hood, I don't see the fans on. I can't turn the A/C on to test it, can I? Because there is no A/C and the compressor won't kick on without the refrigerant. I'm just wondering if I should look into that.

I'm also planning on taking the car in (or try myself depending on how difficult it seems) to replace the cover gasket that has a leak.

I love this car and the engine just keeps going, but all these little things add up so much. Maybe it's time to consider a newer used Toyota. I've got a pretty low income, which is why I would prefer to fix it on my own if it looks doable. Sigh. Thanks! Oh and apparently my anti-theft system had been disabled by a mechanic when my aunt owned the car (Something about a short?). But haven't been able to actually find out since she's passed. I doubt it has to do with the other things, but I figured I would share as much as I know with what's going on. Thanks.
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Tuesday, February 19th, 2019 AT 9:59 PM

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Tiny
ASEMASTER6371
  • EXPERT
Good morning,

Okay, If the car does not run hot or overheat, then the cooling fan is working correctly.

As far as the A/C system, I attached a diagram of the lines for you to view.

The expansion valve is on the evaporator and is not that easy to remove as the heater unit needs to be removed form the car to access it.

The dryer needs to be replaced as well since you are opening the system.

Trying to find a good diagram for removal and installation of the heater unit.

Roy
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Wednesday, February 20th, 2019 AT 5:54 AM

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