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Home/Cars/Honda/CR-V/Fifth Generation (2017-2022)/why does my Honda CR-V make a hissing sound when I accelerate

why does my Honda CR-V make a hissing sound when I accelerate

Honda CR-V Fifth Generation (2017-2022)

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

Problem Statement

Learn how to diagnose and fix the hissing sound during acceleration in Honda CR-V. 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 inspecting components.

Symptoms

  • •Hissing sound noticeable during acceleration
  • •Possible loss of power or hesitation
  • •Increased engine noise
  • •Reduced fuel efficiency
  • •Check engine light may illuminate (if related to a vacuum leak)

Diagnostic Steps

  1. 1Inspect for vacuum leaks in hoses and intake manifold.
  2. 2Use an OBD-II scanner to check for any error codes.
  3. 3Check the condition of the air intake system components.
  4. 4Inspect the exhaust system for leaks or damaged components.
  5. 5Examine the throttle body for proper operation and cleanliness.
  6. 6Listen for abnormal sounds around the engine bay while revving the engine.

Solution

Solution

1. Preparation

  • Gather all necessary tools and parts.
  • Ensure the vehicle is parked on a flat surface and the engine is off.
  • Disconnect the battery to avoid electrical issues during repair.

2. Inspect for Vacuum Leaks

  • Sub-steps:
    1. Visually inspect all vacuum hoses connected to the intake manifold for cracks or disconnections.
    2. Use a smoke test or soapy water to identify leaks; apply it around suspected areas.
    3. Replace any damaged hoses with OEM parts.

3. Check the Air Intake System

  • Sub-steps:
    1. Remove the air intake duct connected to the throttle body.
    2. Inspect the air filter; replace if dirty or clogged.
    3. Check the throttle body for carbon buildup and clean with throttle body cleaner if necessary.

4. Inspect Exhaust System

  • Sub-steps:
    1. Visually check the exhaust manifold and pipes for rust or holes.
    2. Tap on the exhaust system to listen for any abnormal sounds that indicate leaks.
    3. Replace any damaged exhaust components as needed.

5. Reassemble and Test

  • Sub-steps:
    1. Reconnect any components that were removed for inspection.
    2. Reconnect the battery.
    3. Start the engine and perform a test drive to confirm the hissing sound is resolved.

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
  • Screwdrivers
  • Socket set
  • Throttle body cleaner
  • Vacuum gauge (optional)

Parts Required

  • Replacement vacuum hoses (if damaged)
  • Air filter (if dirty)
  • Throttle body gasket (if removed)

Additional Information

Component

Engine

Repair Time

2-4 hours

Difficulty

medium

Severity

medium

Tools

5 items

Parts

3 items

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