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 MANUALSLEXUS1998SC 300REPAIR AND DIAGNOSIS (SINGLE PAGE)TRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION OVERHAUL - A-340 & A-350
1998 Lexus SC 300
Automatic Transmission Overhaul - A-340 & A-350
1998 Lexus SC 300SECTION Automatic Transmission Overhaul - A-340 & A-350
- Application
- Identification
- Description
- Lubrication
- On-Vehicle Service
- Trouble Shooting
- Notes
- Preliminary Checks
- Symptom Diagnosis
- Fluid Discolored Or Smells Burnt
- No Movement In Any Gear
- Selector Lever Position Incorrect
- Harsh Engagement Into Any Drive Range
- Delayed 1-2, 2-3 Or 3-OD Upshifts, Or Downshifts From OD-3 Or 3-2, Then Changes Back To OD Or 3rd
- Slips On Any Upshift Or Slips Or Shudders On Acceleration
- Drag Or Binding On Upshifts
- No Lock-Up In 2nd, 3rd Or OD
- Harsh Downshift
- No Downshift When Coasting
- Downshifts Too Soon Or Too Late When Coasting
- No OD-4, OD-3, 3-2 Or 2-1 Kickdown
- No Engine Braking In "2" Or "L" Range
- Vehicle Does Not Move In "R" Range
- Vehicle Does Not Move In "D", "2" Or "L" Range
- No 1-2, 2-3, 3-OD, 3-4 Or 4-OD Upshift
- No 2-1 Downshift
- No Lock-Up Or No Lock-Up Off
- Slip Or Shudder In "D", "R", 1st, 2nd, 3rd, 4th Or OD
- No Engine Braking 1st-3rd
- Poor Acceleration
- Engine Stalls When Starting Off Or Stopping
- Vehicle Does Not Hold In "P" Range
- No Transfer Case Gear Changes On 4WD Models
- Testing
- Torque Converter
- Removal & Installation
- Transmission Disassembly
- Component Disassembly & Reassembly
- Transmission Reassembly
- Clutch Disc & Plate Specifications
- Torque Specifications
- Transmission Specifications
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.