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 759 (AUTOMATIC TRANSAXLE (ON-VEHICLE SERVICE))AUTOMATIC TRANSAXLE ASSY (U151E)REPLACEMENT
2004 Toyota Matrix XR, FWD, Standard
Automatic Transaxle ASSY (U151E): Replacement
2004 Toyota Matrix XR, FWD, StandardSECTION Replacement
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
- REMOVE ENGINE ASSEMBLY WITH TRANSAXLE (SEE REPLACEMENT )
- REMOVE FRONT DRIVE SHAFT ASSY RH (SEE REMOVAL, OVERHAUL & INSTALLATION )
- REMOVE FRONT DRIVE SHAFT ASSY LH (SEE REMOVAL, OVERHAUL & INSTALLATION )
- REMOVE TRANSMISSION CONTROL CABLE BRACKET NO. 2
- Remove the bolt and transmission control cable bracket No. 2.
- REMOVE WIRE HARNESS CLAMP
- Disconnect the wire harnesses from the clamps.
- Remove the 2 bolts and 2 clamps.
- DISCONNECT WIRE HARNESS
- Remove the bolt and wire harness.
- REMOVE STARTER ASSY
- Disconnect the connector.
- Remove the nut and disconnect the starter wire.
- Remove the 2 bolts and starter assy.
- DISCONNECT CONNECTORS
- Disconnect the transmission wire connector.
- Disconnect the park/neutral position switch connector.
- Disconnect the 2 transmission revolution sensor connectors
- REMOVE TRANSMISSION CONTROL CABLE BRACKET NO. 1
- Remove the bolt and oil cooler tube clamp.
- Remove the 2 bolts and transmission control cable bracket.
- REMOVE TRANSMISSION OIL FILLER TUBE SUB-ASSY
- Remove the ATF level gauge.
- Remove the bolt and oil filer tube.
- Remove the O-ring from the oil filler tube.
- REMOVE OIL COOLER INLET TUBE NO. 1
- Using SST and spanner, disconnect the oil cooler inlet tube No. 1.
SST 09023-12700
- Disconnect the breather hose from the wire harness bracket.
- Using SST and spanner, disconnect the oil cooler inlet tube No. 1.
- REMOVE OIL COOLER OUTLET TUBE NO. 1
- Using SST and spanner, disconnect the oil cooler outlet tube No. 1.
SST 09023-12700
- Using SST and spanner, disconnect the oil cooler outlet tube No. 1.
- REMOVE ENGINE MOUNTING BRACKET FR
- Remove the 3 bolts and engine mounting bracket FR.
- REMOVE AUTOMATIC TRANSAXLE ASSY
- Remove the 2 bolts and flywheel housing under cover.
- Turn the crankshaft to gain access and remove the 6 bolts while holding the crankshaft pulley bolt with a wrench.
- Remove the 8 bolts.
- Separate and remove the automatic transaxle.
- REMOVE TORQUE CONVERTER CLUTCH ASSY
- REMOVE TRANSAXLE CASE COVER UPPER
- Remove the 3 bolts and transmission case cover.
- INSPECT TORQUE CONVERTER CLUTCH ASSY (SEE INSPECTION )
SST 09350-32014 (09351-32010, 09351-32020)
- INSTALL TRANSAXLE CASE COVER UPPER
- Install the transmission case cover with the 3 bolts.
Torque: 12 N.m (122 kgf.cm, 9 ft.lbf)
- Install the transmission case cover with the 3 bolts.
- INSTALL TORQUE CONVERTER CLUTCH ASSY
- Install the torque converter clutch to the automatic transaxle.
- Using vernier calipers, measure dimension "A" between the transaxle fitting part and the converter fitting part of the drive plate.
- Using vernier calipers and a straight edge, measure dimension "B" shown in the illustration and check that "B" is greater than "A" measured in (b).
Standard: A + 1 mm or more
NOTE: Do not add the thickness of the straight edge.
RENDER: 1.0x
NO RELATED
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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.