For 1990-2009 cars

### 1st/2nd Synchronizer

1. Check the synchronizer assembly scribe marks for correct positions.
2. Install the synchronizer sleeve (1) to the hub (2) (align the key openings in the hub (2) with the cuts in the synchronizer sleeve (1)).
3. Install the keys (3) with the slots facing the hub (2).
4. Assemble the first spring (1) (assemble the spring tang to one of the key slots in the synchronizer assembly (2)).
5. Assemble the second spring (3) (assemble the spring tang on the same key but in the opposite direction).

### 3rd/4th, 5th/6th Synchronizers

1. Check the synchronizer assembly scribe marks for correct positions.
2. Install the synchronizer sleeve (1) to the hub (2) (align the key (3) openings in the hub (2) with the cuts in the synchronizer sleeve (1)).
3. Install the keys (3) with the slots facing the hub (2).
4. Assemble the first spring (1) (assemble the spring tang to one of the key slots in the synchronizer assembly (2)).
5. Assemble the second spring (3) (assemble the spring tang on the same key but in the opposite direction).

### Reverse Synchronizer

1. Check the synchronizer assembly scribe marks for correct positions.
2. Install the synchronizer sleeve (1) to the hub (2) (align the key (3) openings in the hub (2) with the cuts in the synchronizer sleeve (1)).
3. Install the keys (3) with the slots facing the hub (2).
4. Assemble the first spring (1) (assemble the spring tang to one of the key slots in the synchronizer assembly (2)).
5. Assemble the second spring (3) (assemble the spring tang on the same key but in the opposite direction).
6. Install a new synchronizer key retainer (1) with the key retainer tangs over the synchronizer keys.