Tag: Enova

How to change auxiliary indicator on MERCEDES W201
Changing the auxiliary indicator (also known as a side marker light or corner light) on a Mercedes W201, or the Mercedes 190, can be a relatively simple procedure. Here are the general steps to guide you through the process:
Tools and Materials You May Need:
- Replacement auxiliary indicator
- Screwdriver or a socket set
- Safety equipment (gloves, safety glasses)
Procedure:
1. Safety Precautions:
  - Ensure the vehicle is parked safely, the engine is turned off, and the handbrake is engaged.
  - Wear safety gloves and glasses to protect your hands and eyes.
2. Locate the Auxiliary Indicator:
  - Identify the location of the auxiliary indicator on your Mercedes W201. On most models, this is typically located on the front fender, near the wheel well.
3. Access the Bulb Housing:
  - Depending on the specific design of your Mercedes 190, you may need to access the bulb housing from under the wheel well or by removing the inner fender liner. In some cases, you can access it directly from the engine bay.
4. Remove the Bulb Housing:
  - Using a screwdriver or a socket set, carefully remove the screws or bolts securing the bulb housing in place.
5. Disconnect the Wiring:
  - Gently disconnect the wiring harness connected to the auxiliary indicator. You may need to use a small flathead screwdriver to release any retaining clips.
6. Remove the Old Indicator:
  - Carefully detach the old auxiliary indicator from the bulb housing. It may have clips or tabs that secure it in place.
7. Install the New Indicator:
  - Align the new auxiliary indicator with the bulb housing and secure it by snapping it into place, making sure it fits securely.
8. Reconnect the Wiring:
  - Reconnect the wiring harness to the new auxiliary indicator. Ensure it clicks or locks into place.
9. Reattach the Bulb Housing:
  - Position the bulb housing back into place and secure it by reinserting and tightening the screws or bolts.
10. Test the Indicator:
  - Turn on your vehicle’s lights to test the new auxiliary indicator. Make sure it functions correctly, including both the parking and turn signal functions.
11. Adjust the Indicator Position:
  - If needed, adjust the new auxiliary indicator’s position to ensure it provides the proper angle and illumination.
12. Final Inspection:
  - Carefully inspect the auxiliary indicator to ensure it is securely attached, properly aligned, and functions correctly.
Changing the auxiliary indicator on a Mercedes W201 is generally a straightforward procedure, but it’s important to follow these steps carefully to ensure proper installation and function. If you’re unsure about performing this task, or if your vehicle has specific features that make the process more complicated, consider seeking professional assistance.
March 7, 2016
TOP 5 mistakes when replacing shock absorbers
When replacing shock absorbers on a vehicle, it’s important to avoid common mistakes to ensure the safety and performance of your vehicle. Here are the top five mistakes to avoid:
1. Choosing the Wrong Shock Absorbers:
  - Selecting shock absorbers that are not compatible with your vehicle’s make and model can lead to handling and safety issues. Always use the correct shock absorbers for your specific vehicle to maintain ride quality and performance.
2. Not Replacing Both Sides:
  - Replacing only one shock absorber when both are worn or damaged can lead to uneven suspension and handling characteristics. It’s best to replace shock absorbers in pairs (either the front pair or the rear pair) to ensure balanced performance.
3. Improper Installation:
  - Failing to install the shock absorbers correctly can lead to performance problems and safety issues. Make sure to follow the manufacturer’s installation instructions and use the appropriate torque settings for mounting hardware.
4. Neglecting Other Suspension Components:
  - Shock absorbers are just one part of the suspension system. Neglecting to inspect and replace other worn or damaged suspension components like bushings, control arms, or struts can lead to suboptimal ride quality and handling.
5. Not Performing a Wheel Alignment:
  - After replacing shock absorbers, it’s essential to have a wheel alignment performed. Failing to do so can result in uneven tire wear, reduced handling, and alignment-related issues. Proper alignment ensures that all wheels are pointing in the right direction.
It’s crucial to take your time, follow the manufacturer’s instructions, and, if necessary, seek professional assistance when replacing shock absorbers. Proper installation and maintenance are essential for safety, ride quality, and the longevity of your vehicle’s suspension system.
February 12, 2016
How to change rear brake caliper repair kit on MERCEDES W124
Changing the rear brake caliper repair kit on a Mercedes W124 involves disassembling and rebuilding the brake caliper. This process can be quite involved and requires careful attention to detail. Here are the general steps to guide you through the process:
Tools and Materials You May Need:
- Rear brake caliper repair kit
- Brake fluid
- Brake cleaner
- Brake piston tool (for compressing the piston)
- Socket set
- Wrenches
- Screwdrivers
- Rubber mallet
- Brake bleeding kit
- Safety equipment (gloves, safety glasses)
Procedure:
1. Safety Precautions:
  - Ensure the vehicle is on a flat, stable surface, the engine is turned off, and the handbrake is engaged.
  - Wear safety gloves and glasses to protect your hands and eyes.
2. Lift the Vehicle:
  - Lift the rear of the vehicle using a suitable jack and secure it with jack stands.
3. Remove the Wheel:
  - Remove the rear wheel to access the brake caliper.
4. Brake Fluid Reservoir:
  - Check the brake fluid reservoir and, if necessary, siphon off some brake fluid to prevent overflow when you compress the caliper piston.
5. Disassemble the Brake Caliper:
  - Carefully remove the brake caliper from its mounting bracket.
  - Using the appropriate socket or wrench, disconnect the brake line from the caliper. Be prepared to catch any leaking brake fluid in a suitable container.
  - Disassemble the caliper by removing the retaining bolts, pins, and any other hardware that holds it together.
6. Remove the Old Seals and Piston:
  - Carefully remove the old seals, o-rings, and piston from the caliper.
  - Inspect the caliper components for wear or damage.
7. Clean the Caliper:
  - Thoroughly clean the caliper, including the caliper housing, piston bore, and all components. Use brake cleaner to remove any old brake fluid, dirt, and debris.
8. Replace Seals and O-Rings:
  - Install the new seals and o-rings from the repair kit into the caliper.
  - Lubricate the new components with brake fluid before installation.
9. Compress the Piston:
  - Use a brake piston tool or a suitable tool to compress the caliper piston back into its bore. Ensure it’s flush with the caliper housing.
10. Reassemble the Caliper:
  - Reassemble the caliper, including all pins, bolts, and brackets, following the manufacturer’s instructions.
  - Reattach the brake line and ensure it’s properly tightened.
11. Bleed the Brakes:
  - Bleed the brake system to remove any air. Starting with the furthest wheel from the master cylinder and working your way closer is a common method. Use a brake bleeding kit or ask someone to assist you.
12. Refill Brake Fluid:
  - Top off the brake fluid reservoir with fresh brake fluid and replace the cap.
13. Test the Brake Pedal:
  - Pump the brake pedal a few times to ensure the caliper piston seats properly.
  - Check for any brake fluid leaks around the caliper.
14. Replace the Wheel:
  - Carefully reinstall the rear wheel and tighten the lug nuts.
15. Lower the Vehicle:
  - Carefully lower the vehicle to the ground.
16. Test the Brakes:
  - Test the brakes for proper operation by gently applying and releasing the pedal. Ensure there’s a firm brake pedal and that the vehicle stops correctly.
Rebuilding a rear brake caliper on a Mercedes W124 is a complex procedure that requires attention to detail and careful handling of brake components. If you’re not experienced with brake systems, it’s highly recommended to consult a professional mechanic or technician for assistance to ensure the job is done correctly and safely.
February 12, 2016
How to change shock absorber and coil springs on MB W124
Replacing the shock absorbers and coil springs on a Mercedes-Benz W124 (often referred to simply as the Mercedes 124) is a relatively complex task and requires mechanical expertise. This procedure involves disassembling and reassembling a significant portion of the vehicle’s suspension system. Here’s a general overview of the steps involved:
Tools and Materials You May Need:
- Shock absorber and coil spring assembly (new)
- Spring compressors
- Socket set and wrenches
- Torque wrench
- Jack and jack stands
- Pry bar or ball joint separator
- Safety equipment (gloves, safety glasses)
Procedure:
1. Safety Precautions:
  - Ensure the vehicle is parked on a flat, stable surface, the engine is turned off, and the handbrake is engaged.
  - Wear safety gloves and glasses to protect your hands and eyes.
2. Raise the Vehicle:
  - Lift the front or rear of the vehicle using a suitable jack and secure it with jack stands. Make sure the vehicle is safely supported.
3. Remove the Wheel:
  - Remove the wheel from the corner of the vehicle where you’ll be replacing the shock absorber and coil spring.
4. Disconnect Components:
  - Disconnect any components that attach to the shock absorber or coil spring, such as brake lines, ABS sensors, sway bar links, and the stabilizer bar, if present.
5. Disconnect the Shock Absorber:
  - Use a socket set and wrenches to disconnect the upper and lower mounting bolts or nuts for the shock absorber. This may require using a ball joint separator or a pry bar to free the lower control arm from the shock absorber.
6. Remove the Coil Spring:
  - Use a spring compressor tool to compress the coil spring, allowing you to remove it safely without tension. Carefully disconnect the coil spring from the upper and lower spring seats.
7. Install the New Coil Spring:
  - Place the new coil spring into the spring seats, ensuring it’s correctly positioned and aligned.
8. Reconnect the Shock Absorber:
  - Reattach the shock absorber to the vehicle’s suspension components, using the upper and lower mounting bolts or nuts. Make sure the shock absorber is securely in place.
9. Reconnect Components:
  - Reconnect any components you detached earlier, such as brake lines, ABS sensors, sway bar links, and the stabilizer bar.
10. Tighten All Fasteners:
  - Using a torque wrench, tighten all the mounting bolts and nuts to the manufacturer’s specifications.
11. Repeat for Other Side:
  - If you’re replacing the shock absorbers and coil springs on both sides of the vehicle, repeat the above steps for the other side.
12. Reinstall the Wheel:
  - Carefully reinstall the wheel and tighten the lug nuts.
13. Lower the Vehicle:
  - Carefully lower the vehicle to the ground.
14. Perform Alignment and Testing:
  - After replacing the shock absorbers and coil springs, it’s essential to have a wheel alignment performed to ensure proper wheel alignment. Test the vehicle for proper suspension performance and handling characteristics.
Replacing shock absorbers and coil springs on a Mercedes W124 is a complex task and should be performed by experienced mechanics or technicians. Improper installation can affect the vehicle’s handling, safety, and ride comfort. If you’re not confident in your ability to perform this task, it’s highly recommended to seek professional assistance.
January 1, 2016