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.
1990 Chevrolet APVFACTORY OEM SERVICE PROCEDURE
Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) | ||||
|---|---|---|---|---|---|
| Connecting Rod-to-Pitman Arm Nut | |||||
| Astro & Safari | 35 (47) | ||||
| "P" Series (Motorhome & Forward Control Chassis) | 70 (95) | ||||
| "V" Series | 89 (121) | ||||
| Connecting Rod-to-Relay Arm Nut "P" Series (Motorhome) | 70 (95) | ||||
| Idler Arm & Relay Arm-to-Frame Bolt "P" (Motorhome) | 125 (170) | ||||
| Idler Arm Mounting Bolt | |||||
| Astro, Safari & "S" Series | 60 (81) | ||||
| "C" Series | 40 (54) | ||||
| "G" & "R" Series | 30 (41) | ||||
| Idler Arm-to-Relay Rod Nut (1) | |||||
| Astro & Safari | 35 (47) | ||||
| "C" Series | 40 (54) | ||||
| "G" & "R" Series | 66 (90) | ||||
| "S/T" Series | |||||
| 2WD | 35 (47) | ||||
| 4WD | 60 (81) | ||||
| Pitman Arm-to-Relay Rod Nut (1) | |||||
| "C" Series | 40 (54) | ||||
| "G" & "R" Series | 66 (90) | ||||
| Pitman Arm-to-Steering Gear Nut | |||||
| Astro, Safari, "C", "G", "K", "P" (Van) & "R" Series | 184 (249) | ||||
| "P" Series (Motorhome & Forward Control Chassis) | 125 (170) | ||||
| "V" Series | 92 (125) | ||||
| Relay Rod-to-Relay Arm Nut "P" Series (Motorhome) | 66 (90) | ||||
| Tie Rod Clamp Nut | |||||
| "V" Series | 40 (54) | ||||
| All Other Models | 14 (19) | ||||
| Tie Rod Jam Nut | |||||
| "P" Series (Forward Control Chassis) | 277 (375) | ||||
| "V" Series | 175 (237) | ||||
| Tie Rod-to-Relay Rod Nut | |||||
| Astro, Safari & "S" Series | 35 (47) | ||||
| "C" & "V" Series | 40 (54) | ||||
| "G" & "R" Series | 66 (90) | ||||
| Tie Rod-to-Steering Knuckle Nut | |||||
| Astro & Safari | 35 (47) | ||||
| "C" & "V" Series | 40 (54) | ||||
| "G" & "R" Series | 46 (62) | ||||
| "S" Series | 35 (47) | ||||
|
|||||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no 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.