replave retractor
The 1993 Chevy Lumina 3.1 liter engine timing belt can be found on the front of the engine. You will need to remove the front engine cover in order to access the timing belt.
its a vacuum line it goes from the belt side at the back and runs behind the engine and down the drivers side and under the battery to the pod under the skirt in the front wheel
I belive that there is no adjustment on the serp belt on your lumina. Should be a spring loaded tensioner. If you are having problems with the belt slipping you most likely need to replace the belt/ tenssioner.
To repair a seat belt that does not retract, the first thing to look for is something that is stuck in the seat belt housing. Sometimes things can fall into this area and jam it up. Also check for a twisted seat belt.
slide a crescent wrench onto casting on front of tensioner, pull up towards rear of car to release tension and remove belt Do A Barrel Roll
The 1990 has a chain. The 1991 has a belt.
ELR - Emergency Locking Retractor..Seat Belt Retract you when you face collision.
Chain
Take it to the dealer the seat belts have a life time warrantee form Nissan they will fix them for free. Check the warrantee section of you user manual.
A seat belt that will not retract in a 1993 Altima might be twisted in the mechanism on the floor of the vehicle. This part of the seat belt mechanism should be taken apart and inspected. If possible, try pulling it out as far as it will go and then see if it will retract.
It has a serpentine belt that runs all the accessories not just the fan
Timing chain.