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.
Torque Specifications
1998 Lexus GS 300SECTION Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Center Exhaust Pipe-To-Front Exhaust Pipe Nut | 32 (43) | ||||||||
| Center Exhaust Pipe-To-Rear Exhaust Pipe Nut | 14 (19) | ||||||||
| Center Support Bearing Mounting Bolts | |||||||||
| Except SC300 | 27 (37) | ||||||||
| SC300 | 36 (49) | ||||||||
| Center Support Bearing & Universal Flange Nut (SC300) | (1) | ||||||||
| Drive Shaft-To-Intermediate Shaft Bolts (SC300) | 54 (73) | ||||||||
| Front Exhaust Pipe-To-Exhaust Manifold Nut | 32 (43) | ||||||||
| Oxygen Sensor | |||||||||
| Except SC300 | 34 (46) | ||||||||
| SC300 | 33 (44) | ||||||||
| Rubber Flexible Coupling-To-Flange Nut | |||||||||
| Except LS400 | (2) 59 (80) | ||||||||
| LS400 | (3) 53 (72) | ||||||||
| INCH Lbs. (N.m) | |||||||||
| Front & Rear Crossmember Brace Bolts | 108 (12) | ||||||||
| Heat Shield Bolts | 48 (5.4) | ||||||||
|
|||||||||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.