1. Diagnosis:
* Check the Crank: First, make absolutely sure the crank isn't stripped. Try gently moving it back and forth – if there's significant play or it feels loose in the handle itself, the crank's internal spline may be damaged. This is a less likely cause than regulator issues, however.
* Visual Inspection (Partial Disassembly): You'll need to partially disassemble the door panel to access the window regulator. This involves removing screws around the door panel and potentially disconnecting some electrical connectors and/or the armrest. Consult a repair manual (Chilton or Haynes are good options) specific to your year Saturn SL2 for detailed instructions. Once the panel is partially removed, you can see the window regulator mechanism and its connection points.
* Inspect the Regulator: Look for the following:
* Broken or Disconnected Linkage: The crank is connected to the regulator via a series of rods and levers. Look for any broken pieces or parts that have come loose.
* Bent or Jammed Regulator: The regulator itself may be bent or jammed, preventing it from moving the window. Try to gently move the window up and down by hand (with the panel partly removed) to check for binding.
* Stripped Teeth on the Regulator: The gear teeth on the regulator may be stripped. This is a common point of failure. You'll be able to see these teeth when looking at the regulator mechanism.
* Cable Issues (Less Likely with Manual Cranks): While less common with manual cranks, sometimes a cable can be broken or come off.
2. Repair:
The repair depends on what you find during the inspection:
* Loose or Broken Linkage: Reattach or replace the broken parts. You may need to carefully bend back bent linkage pieces.
* Bent Regulator: Attempt to gently bend the regulator back into shape. This is sometimes possible but often leads to a weakened component, making replacement preferable.
* Stripped Teeth on the Regulator: This is the most common and most difficult issue. Replacement of the entire window regulator is usually necessary. Used parts are sometimes available at lower cost than new ones.
* Cable Issues (again, less common with manual): Replace the cable.
3. Replacement (Most Likely Scenario):
Replacing the entire window regulator is the most likely solution if the teeth are stripped or the regulator is severely bent. This involves:
* Purchasing a Replacement Regulator: Get the correct regulator for your specific year and model Saturn SL2. Auto parts stores or online retailers can help.
* Removal of the Old Regulator: Carefully remove the old regulator by disconnecting any linkages and removing its mounting points.
* Installation of the New Regulator: Install the new regulator, making sure the linkages are correctly reattached and the window moves smoothly.
* Reassembly of the Door Panel: Carefully reassemble the door panel, making sure all screws and connectors are properly secured.
Important Notes:
* Repair Manual: A repair manual is strongly recommended. It will provide detailed diagrams and instructions for disassembling and reassembling your specific vehicle.
* Tools: You will need a basic set of tools, including screwdrivers (likely Phillips head), possibly a trim tool for prying off the door panel, and possibly pliers to help with reattaching parts.
* Safety: Always disconnect the negative battery terminal before starting any electrical work.
If you're not comfortable working on your car yourself, it's best to take it to a mechanic. Replacing a window regulator is a moderately difficult repair; attempting it without experience could lead to further damage.
