August 1, 2014

How to replace a dryer timer

By Lyle Weischwill
How to replace a dryer timer

This DIY dryer repair guide has step-by-step instructions about how to replace a mechanical timer on a dryer without keypad controls. A small motor on the back of the timer advances the timer and dial during the cycle, controlling the drying time. If the timer won't advance through the cycle, or if it doesn't start or shut off the motor or heating element, replace the timer with the manufacturer-approved dryer part.

The video below shows a gas dryer, but the repair procedure is the same. These basic repair steps work for replacing the timer in many Kenmore, Whirlpool, KitchenAid, Maytag, Frigidaire, Amana and GE dryers.

Quick links
Tools required
1/4-inch nut driver
Phillips screwdriver
Slot screwdriver
Work gloves
Repair difficulty
Time required
15 minutes or less
Repair difficulty
Time required
15 minutes or less
Replacing a timer in a dryer

This video explains how to replace a timer in a dryer.

Instructions

  1. 01.

    Shut off the power

    Unplug the dryer. If it's a gas dryer, shut off the gas.

  2. 02.

    Remove the control knob

    Pull the timer control knob off of the timer stem on the front of the control panel.

    PHOTO: Pull the timer knob off the shaft.

    PHOTO: Pull the timer knob off the shaft.

  3. 03.

    Remove the back panel

    Move the dryer forward and use a 1/4-inch nut driver to remove the screws from the back panel. Remove the back panel from the dryer and set it aside.

    PHOTO: Remove the screws from the panel at the back of the dryer console.

    PHOTO: Remove the screws from the panel at the back of the dryer console.

    PHOTO: Remove the back panel and set it aside.

    PHOTO: Remove the back panel and set it aside.

  4. 04.

    Remove the timer

    Note the location of wires attached to the back of the timer before removing them. Label the wires or take a digital picture so you know how to reconnect them later. Remove the wires from the back of the timer. Remove the mounting screws and then remove the timer.

    PHOTO: Remove the wires from the dryer timer.

    PHOTO: Remove the wires from the dryer timer.

    PHOTO: Remove the timer mounting screws.

    PHOTO: Remove the timer mounting screws.

    PHOTO: Remove the timer from the dryer control panel.

    PHOTO: Remove the timer from the dryer control panel.

  5. 05.

    Install the new timer

    Insert the new timer in the control panel and secure it with the mounting screws. Attach the wires to the new timer, following the labels or digital photograph.

    Warning: For safety and to avoid damage to the new timer, the wires must be properly connected. If you are unsure how to connect the wires, have a service technician complete this repair.
  6. 06.

    Reattach the back panel

    Position the panel on the back of the console. Line up the mounting screw holes, insert the mounting screws and tighten them firmly.

  7. 07.

    Reinstall the control knob

    Push the control knob onto the stem of the new timer.

  8. 08.

    Restore power to the dryer

    Plug the dryer into the wall outlet. If it's a gas dryer, turn on the gas supply to the dryer.

Warning: Undertaking repairs to appliances can be hazardous. Use the proper tools and safety equipment noted in the guide and follow all instructions. Do not proceed until you are confident that you understand all of the steps and are capable of completing the repair. Some repairs should only be performed by a qualified technician.

Symptoms common to all dryers

Choose a symptom to see related dryer repairs.

Main causes: door switch failure, lack of power, broken belt, blown thermal fuse, bad drive motor, control system failure
Main causes: lack of electrical power, bad power cord, wiring failure, bad control board, blown thermal fuse, bad door switch
Main causes: bad drum support roller, damaged idler pulley, broken blower fan blade, worn drum glide bearing, bad drive motor
Main causes: bad gas valve coils, broken heating element, tripped safety thermostat or fuse, bad operating thermostat, control failure
Main causes: bad timer or electronic control board, door switch failure
Main causes: clogged exhaust vent, bad motor relay, loose dryer door catch, bad door switch, control system failure, faulty drive motor
Main causes: damaged door strike, worn door catch
Main causes: clogged exhaust system, heating system failure, deposits on moisture sensor, control system failure

Repair guides common to all dryers

These step-by-step repair guides will help you safely fix what’s broken on your dryer.

How to install a thermal cut-off fuse kit in an electric dryer

The thermal cut-off fuse shuts off the heat if the dryer overheats when the high-limit thermostat fails. Install a thermal cut-off fuse kit to replace both parts.

Repair difficulty
Time required
 15 minutes or less
How to install a thermal cut-off fuse kit in a gas dryer

The thermal cut-off fuse shuts off the heat if the dryer overheats when the high-limit thermostat fails. The thermal cut-off fuse kit includes both parts.

Repair difficulty
Time required
 15 minutes or less
August 1, 2014
By Lyle Weischwill
How to replace a dryer door switch

The dryer won't start if the door switch isn't working correctly. You can install a replacement dryer door switch in less than half an hour, following these steps.

Repair difficulty
Time required
 15 minutes or less

Articles and videos common to all dryers

Use the advice and tips in these articles and videos to get the most out of your dryer.

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