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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET1990LUMINA APV V6-191 3.1LREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAULDRIVE LINK CHAIN
1990 Chevrolet Lumina APV V6-191 3.1L
Drive Link Chain
1990 Chevrolet Lumina APV V6-191 3.1LSECTION Drive Link Chain
Whenever transaxle is disassembled, drive link chain should be inspected for possible wear. Midway between sprockets and at right angle to chain, push bottom strand of chain down until finger tight and mark case with crayon on side of chain opposite teeth. Push up on chain and make a second mark, ensuring that both marks are made from same point on chain. If distance between marks is greater than 1 1/16 inch on 1986 models, 11/16 inch on 1987-88 models, or 7/8 inch on 1989-90 models, replace the chain.
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.