FAULTBASE
NEWSASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Volkswagen/Tiguan/Second Generation (2018-present)/my Volkswagen Tiguan makes a knocking noise when accelerating what could it be

my Volkswagen Tiguan makes a knocking noise when accelerating what could it be

Volkswagen Tiguan Second Generation (2018-present)

Severity: mediumDifficulty: medium2-4 hours
3 min read
509 words

Problem Statement

Learn how to diagnose and fix knocking noise during acceleration in Volkswagen Tiguan. Step-by-step guide with diagnostic procedures and repair instructions.

Component
Engine
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow the engine to cool before opening the hood to avoid burns.

Symptoms

  • •Knocking noise during acceleration
  • •Possible loss of power
  • •Vibrations felt through the vehicle
  • •Engine misfire or rough idle
  • •Unusual smells (such as burning oil or fuel)

Diagnostic Steps

  1. 1Inspect the engine bay for loose components or signs of wear.
  2. 2Use an OBD-II scanner to check for any stored error codes.
  3. 3Examine the engine mounts for deterioration or damage.
  4. 4Check the condition of the transmission fluid and its level.
  5. 5Inspect the exhaust system for loose parts or leaks.
  6. 6Take the vehicle for a test drive to determine if the noise changes with speed or load.

Solution

Solution

1. Preparation

  • Gather tools and parts needed for the repair.
  • Ensure the vehicle is parked on a level surface and the engine is cool.
  • Disconnect the battery to prevent electrical shocks.

2. Inspect and Tighten Engine Components

  • Inspect the intake and exhaust manifold bolts for tightness.
  • Use a socket set to tighten any loose bolts or components found during inspection.
  • Check for any loose accessories (like the alternator or power steering pump) and secure them.

3. Replace Worn Engine Mounts

  • Tools Required: Socket set, torque wrench
  • Remove the engine mount bolts using a socket set.
  • Lift the engine slightly using a jack with a wooden block for support.
  • Replace the old engine mount with a new one, ensuring correct alignment.
  • Torque the mount bolts to the manufacturer's specifications.

4. Check and Replace Transmission Fluid (if necessary)

  • Tools Required: Transmission fluid pump, fluid catch pan
  • Remove the transmission fluid fill plug and check fluid level.
  • If fluid is low or dirty, drain the old transmission fluid into a catch pan.
  • Replace with new transmission fluid according to manufacturer specifications.

5. Inspect Exhaust System

  • Visually inspect the exhaust system for loose or corroded components.
  • Tighten any loose bolts or brackets securing the exhaust pipes.
  • If a leak is found, replace the damaged section of the exhaust pipe or muffler.

Verification

After completing the repair, verify that the issue has been resolved:

  • Test the affected component to ensure it functions correctly
  • Check for any error codes or warning lights
  • Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • OBD-II scanner
  • Socket set
  • Torque wrench
  • Transmission fluid pump
  • Fluid catch pan

Parts Required

  • Engine mounts (if needed)
  • Transmission fluid (if needed)

Additional Information

Component

Engine

Repair Time

2-4 hours

Difficulty

medium

Severity

medium

Tools

5 items

Parts

2 items

Related Faults

Discover similar issues

  1. how to reset the transmission warning light on my Volkswagen Tiguan?

    Learn how to reset the transmission warning light on your Volkswagen Tiguan. Step-by-step instructions for diagnosing and resolving transmission issue...

    Component:Transmission
    Symptoms
    • •Transmission warning light illuminated on the dashboard
    • •Possible erratic shifting or transmission slipping
    • +{count} more
  2. my Volkswagen Tiguan makes popping noises when I drive over bumps what's going on

    Learn how to diagnose and fix popping noises in the suspension of your Volkswagen Tiguan. Step-by-step guide with diagnostic procedures and repair ins...

    Component:Suspension
    Symptoms
    • •Popping or clunking noise when driving over bumps
    • •Noise may increase with speed or severity of bumps
    • +{count} more
  3. my Volkswagen Tiguan's parking brake light is on what does that mean

    Learn how to diagnose and fix the parking brake light issue in your Volkswagen Tiguan. Step-by-step guide with symptoms, diagnostic steps, and repair ...

    Component:Brakes
    Symptoms
    • •Parking brake light illuminated on the dashboard
    • •Possible difficulty in engaging or disengaging the parking brake
    • +{count} more
  4. why does my Volkswagen Tiguan have a loss of acceleration after stopping

    Learn how to diagnose and fix loss of acceleration after stopping in Volkswagen Tiguan. Step-by-step guide with diagnostic procedures and repair instr...

    Component:Engine
    Symptoms
    • •Check engine light illuminated
    • •Engine stalling upon acceleration
    • +{count} more
  5. my Volkswagen Tiguan has a hard start when cold

    Learn how to diagnose and fix hard start issues in Volkswagen Tiguan. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:Engine
    Symptoms
    • •Engine cranks but does not start immediately
    • •Rough idle after starting
    • +{count} more
  6. what should I do if my Volkswagen Tiguan has a check engine light and won't accelerate?

    Learn how to diagnose and fix check engine light and acceleration issues in Volkswagen Tiguan. Step-by-step guide with diagnostic procedures and repai...

    Component:Engine
    Symptoms
    • •Check engine light illuminated
    • •Vehicle won't accelerate or has reduced power
    • +{count} more

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation