For 1990-2009 cars

Step | Action | Value | Yes | No
--- | --- | --- | --- | ---
DEFINITION: The transmission does not shift smoothly or without difficulty into another gear.
1 | Check the transmission for improper lubricant. Refer to Lubrication Specifications . Is the recommended lubricant being used? | -- | Go to Step 2 | Go to Step 3
2 | Check the transmission for loose shift lever housing bolts. Are the bolts loose? | -- | Go to Step 4 | Go to Step 5
3 | Drain and refill the transmission with the recommended lubricant. Does the transmission shift smoothly? | -- | System OK | Go to Step 5
4 | Align the component parts and tighten the fasteners. Refer to Fastener Tightening Specifications . Does the transmission shift smoothly? | -- | System OK | Go to Step 5
5 | Check for proper clutch operation. Refer to Preliminary Checks . Was the clutch the cause of hard shifting? | -- | System OK | Go to Step 6
6 |

1. Remove the transmission. Refer to Transmission Removal or to Transmission Removal .
2. Disassemble the transmission. Refer to Transmission Disassemble or to Transmission Disassemble .
3. Look for the following list of causes:

• | Binding shift rail.

• | Mispositioned shift selector arm roll pin.

• | Worn shift rail bores.

• | Worn shift rails.

• | Distorted oil seal.

4. Replace all worn or damaged parts.

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