Steering Rack: Get It Right the First Time
Changing a steering rack can be a real hassle later on, so it's crucial to get it right the first time. Follow our detailed steps to ensure a smooth and efficient installation process for your Mini.
Steering Rack Tips and Tricks
Check and Replace Trackrod Gaiter
During our careful inspection of the steering rack, we discovered a tiny split in the trackrod gaiter. Though the split was small, the boot was full of water. To prevent future issues, we replaced the boots and re-lubricated the rack.
Inspect Trackrod Ends
We examined the trackrods for pitting and wear in the ball joints. Surprisingly, despite the water intrusion, there were no problems. While manuals typically specify that the rack should be oil-filled, we found that packing it well with LM grease is a more practical alternative. It’s less messy and less prone to draining away.
Standard-length trackrod ends were fitted next. By counting the number of turns while removing the original rod ends, we ensured that the tracking would be approximately correct. Precision tracking should be verified later using specialised equipment.
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Fit Foam Washer for Noise and Leak Reduction
Before bolting the steering column in place, remember to fit the foam washer over the steering column's splined shaft. This helps seal a large hole in the bulkhead, reducing noise and preventing water leaks.
New Nyloc nuts and washers were fitted to the rack’s U-clamps. At this stage, the nuts are not fully tightened since the column still needs to be adjusted. Once the steering column is fitted, adjust it to the correct angle before tightening the U-bolts. Ensure the rack’s splined shaft aligns perfectly with the steering column inner shaft to avoid dangerous stresses.
Final Positioning and Vibration Reduction
Here’s the rack fitted and held in place with its special U-clamps. Note the anti-vibration plastic strip, a feature of later Minis. This simple strip reduces resonance in the rack and helps prevent the bolts from working loose. This end of the rack defines its position relative to the bodyshell and must be fitted before the front subframe, although final angle adjustments can be made later.
Proper installation of your Mini's steering rack is essential for a smooth and safe driving experience. By following these detailed steps, you can ensure your Mini performs at its best. For any assistance or to have a professionally fitted Steering Rack, don't hesitate to contact the Mini Sport Team.
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