Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 69 (OVERHAUL - A650E)COMPONENT DISASSEMBLY & REASSEMBLYVALVE BODY ASSEMBLYREASSEMBLY
2004 Toyota Matrix XR, FWD, Standard
Valve Body Assembly: Reassembly
2004 Toyota Matrix XR, FWD, StandardSECTION Reassembly
WARNING: This page does not describe the selected car, but rather 22 other vehicles, including the 2005 Lexus SC 430, 2005 Lexus IS 300, 2005 Lexus GS 430, 2005 Lexus GS 300, and 2004 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
- Coat all components with ATF. To reassemble, reverse disassembly procedure. Ensure check balls in upper and lower valve body are installed correctly. See Fig 1-Fig 4 .
- Position plate on upper valve body. Install 2 screws. Install 2 strainers. See Figure. Place upper valve body with plate on lower valve body No. 1. DO NOT let components separate. Align each bolt hole in valve bodies with gaskets and plate.
- Install and finger tighten bolts in upper valve body. Ensure proper bolt length is used. See Figure. Tighten bolts to 56 INCH lbs. (6.4 N.m). Install check ball and orifice control thermal valve in lower valve body No. 2. Place lower valve body No. 2 with plate on lower valve body No. 1. Install and finger tighten bolts in upper valve body. Ensure proper bolt length is used. See Figure. Tighten bolts to 56 INCH lbs. (6.4 N.m).
- Install solenoids and lock plates, oil strainer and pressure relief valve. See Figure. Tighten bolts to 87 INCH lbs. (9.8 N.m). Install manual valve and detent spring. Ensure manual valve moves freely.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.