Quick Answer
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Common Symptoms
Possible Causes
Step-by-Step Diagnosis
Step 1
Unplug the dryer from the electrical outlet and disconnect the gas line if it's a gas dryer (turn off gas supply first).
Step 2
Carefully pull the dryer away from the wall to access the back.
Step 3
Visually inspect the entire flexible vent hose for obvious damage like tears, kinks, or crushing. Check for disconnections at both ends.
Step 4
Feel along the hose for any blockages or stiff areas that might indicate substantial lint build-up by gently squeezing it.
Step 5
Disconnect the flexible hose from the dryer and the wall vent. Shine a flashlight through it to look for internal obstructions.
Step 6
Inspect the dryer's exhaust port and the wall vent opening for lint accumulation.

DIY vs Professional Costs
| Repair Type | DIY Cost | Professional Cost | Time Required |
|---|---|---|---|
Replacing a Torn/Kinked Hose | $25-50 | $150-350 | 1 hour |
Cleaning Out a Lint Clog (with brush) | $20-40 | $125-250 | 1-2 hours |
Re-attaching a Loose Hose | $5-15 (for new clamps) | $100-175 | 30 minutes |
When to Call a Professional Hvac
- If you smell gas (leave the house and call your gas company, then a tech).
- If the blockage is not in the flexible hose but further down the line inside the wall or ceiling.
- If you are uncomfortable working in tight spaces or are unsure how to safely handle the appliance, especially with gas lines.
- If the problem persists after you've replaced the hose and cleaned the vents; it might be an issue with the dryer itself.
Prevention Tips
- Clean the lint trap before every load. No exceptions.
- Use a semi-rigid aluminum duct for the connection, not vinyl or flimsy foil.
- Ensure there's at least 4-6 inches of clearance behind the dryer to prevent crushing the hose.
- Keep the flexible hose as short and straight as possible.
- Inspect the hose and clean it out at least once or twice a year.
- Check the external vent hood periodically to ensure the flap isn't blocked by nests, leaves, or snow.

Frequently Asked Questions
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