2002 Acura 3.2TL Logo
Joe Hernandez Posted on Jan 11, 2014
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How do i replace my thermostat on my 2003 acura tl?

I am trying to locate the thermostat on my 2003 acura tl, is it the same location as the 2002 acura tl?

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Don Reid

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  • Expert 157 Answers
  • Posted on Dec 20, 2014
Don Reid
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How do i replace my thermostat on my 2003 acura tl? ...................................................................

Trace the top hose to the engine. at the end of the hose you will come to the thermostat housing bell hose connector. There will be three or four bolts holding this housing to the engine. Remove the bolts and expecting antifreeze to leak out. Remove the housing and look very closely what you see. You will need to put the thermostat back like you see it in the housing.Remove the thermostat and take it to a parts store for proper replacement and get a new gasket. Install the thermostat just like you removed it (notice for markings of arrows points up). Install the new gasket, housing, then the bolts. Note, do not tighten one bolt until all bolts are snug, this is to ensure you will not create a warp or a leak.
Refill your antifreeze bottle to its mark. Start engine, let warm up, keep check on the temp gauge while warming up.Go check for leaks around the thermostat housing. After you drive for 5 minutes recheck again for leaks and the antifreeze level in the reservoir bottle..

Jerry Kramer

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  • Acura Master 3,933 Answers
  • Posted on Jan 12, 2014
Jerry Kramer
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Follow your upper radiator hose from the radiator back to the engine. At that point remove the hose and replace it. Put it back together , fill up the antifreeze and you are ready to go.

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4 Related Answers

emissionwiz

Marvin

  • 85242 Answers
  • Posted on Feb 28, 2009

SOURCE: Where is the starter located on a 1996 Acura 2.5 TL?

it is at the rear bottom of engine, points inside the bell housing of the transmission, u will need to jack the car off the ground to see it and get at it for repAIR

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emissionwiz

Marvin

  • 85242 Answers
  • Posted on May 22, 2009

SOURCE: 2005 Acura TL Fuel Filter

the fuel filter for this is in the gas tank, it is part of the fuel pump module.

Anonymous

  • 60 Answers
  • Posted on Jan 31, 2010

SOURCE: where is plug in acura 2000 tl for check engine

The OBDII connector is located in the center console just behind the ashtray. There is a plastic cover that must be removed and you will find the connector behind the cover.

Anonymous

  • 1 Answer
  • Posted on May 21, 2010

SOURCE: my Acura 2003 TL 3.2 stop working all both system

it is probably the blower motor resistor, had the same problem on 2003 CL Type s, the fans for the A/C and heat just stopped working was the symptom . The part is only about 70 dollars.

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How to locate the thermostat for a 2003 acura 3.2 tls

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Where to locate the ac expansion valve for 2003 acura 3.2 tl

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  2. Pull out the evaporator temperature sensor (C) from the evaporator fins.

  3. Remove the screws, carefully separate the upper housing (D) from the lower housing (E), then remove the evaporator core (F).

  4. If necessary, remove the expansion valve (G). Use a second wrench to hold the other fitting on the valve so the evaporator line won't twist. Leave the first fitting loosely connected so you can use it to hold the valve while you loosen the second fitting.

  5. Reassemble the evaporator in the reverse order of disassembly, and note these items:

    • Replace all O-rings, with new ones at each fitting and apply a thin coat of refrigerant oil before installing them. Be sure to use the right O-rings for HFC-134a (R-134a) to avoid leakage.
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    • Install the capillary tube (H) directly against the outlet line, and wrap it with electrical tape (I).
    • Reinstall the evaporator temperature sensor in its original location.
    • Make sure no air is leaking from the upper housing and the lower housing fitting.
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2003 Acura TL wiper relay location

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