Price Match Guarantee
In-stock parts ship the same day
365-Day Return Policy
Price Match GuaranteeGET PRO PRICING
Video & Articles: Appliance & Equipment RepairWhirlpool Electric Washer/Dryer Combo Dryer Idler Pulley Replacement #279640 
Whirlpool Electric Washer/Dryer Combo Dryer Idler Pulley Replacement #279640
Skill Level
Total Parts Cost
$29.50Estimated Savings
$112.5007:08
- Description
This video provides step-by-step repair instructions for replacing the dryer idler pulley on a Whirlpool electric washer/dryer combo (model #WET4027EW0). The most common reason for replacing this part is if the drum will not spin.
This replacement video is applicable to the following brands:
Whirlpool, Maytag, Kitchenaid
Don't forget to like and comment on this video and subscribe to our channel!
This replacement video is applicable to the following brands:
Whirlpool, Maytag, Kitchenaid
Don't forget to like and comment on this video and subscribe to our channel!
Step By Step Instructions
1
Before you replace the dryer idler pulley in your washer / dryer combo…
2
…be sure to unplug the power cord or shut off the power supply.
3
Use a phillips-head screwdriver to unthread the screws securing the lower access panel.
4
Detach the panel and set it aside.
5
Insert a putty knife above the front access panel to release the spring clips to detach the panel.
6
Remove the lint screen.
7
Next, use a 5/16th inch socket or nut driver to unthread the screws to release the air duct.
8
Unthread the four screws securing the heater shield.
9
Detach the shield.
10
Unthread the two lower screws securing the front panel and bulkhead.
11
Unthread the three screws securing the control panel assembly.
12
Fully detach the panel assembly…
13
…and set it on the top of the appliance.
14
Use a small flat-head screwdriver to help disconnect the door switch wire connecter.
15
You can now unthread the two upper screws securing the front panel and bulkhead – be sure to support the panel while removing the screws.
16
Lift the panel up then down to remove
17
Now reach under the drum and…
18
…push the idler pulley to release the tension on the belt then unthread the belt from the idler pulley and motor pulley.
19
Push the belt behind the drum and you can lift the drum out of the cabinet.
20
Detach the idler pulley spring.
21
Use needle-nose pliers to pry off the tri-ring securing the pulley.
22
Bend the arm slightly and you can slide the old pulley off.
23
Before you install the new idler pulley…
24
…make sure the washer is in place on the idler arm shaft.
25
Now slide on the new pulley…
26
…and secure it with the tri-ring.
27
Reattach the spring.
28
Support the belt on the rear bulkhead.
29
With the indentation near the rear, reinstall the drum by aligning the rear rim on the rollers…
30
…then align the belt in the indentation.
31
Loop the belt around the idler pulley and motor pulley in a zig-zag formation.
32
Rotate the drum to help align the belt.
33
Reinstall the front panel and bulkhead by aligning the drum on the bulkhead as you hook the panel on the brackets.
34
Thread the upper screws.
35
Reconnect the door switch wire.
36
Reinstall the control panel assembly.
37
Rethread the three screws on top.
38
Thread the lower screws to secure the front panel.
39
Reposition the heater shield and secure it with the four screws.
40
Realign the air duct and thread the screws to secure.
41
Replace the lint screen.
42
Align the front access panel spring clips with the slots and snap the panel into place.
43
Reposition the lower access panel and secure it with the screws.
44
Plug the power cord back in or restore the power supply…
45
…and your washer/dryer combo should be ready for use.
Description
This video provides step-by-step repair instructions for replacing the dryer idler pulley on a Whirlpool electric washer/dryer combo (model #WET4027EW0). The most common reason for replacing this part is if the drum will not spin.
This replacement video is applicable to the following brands:
Whirlpool, Maytag, Kitchenaid
Don't forget to like and comment on this video and subscribe to our channel!
This replacement video is applicable to the following brands:
Whirlpool, Maytag, Kitchenaid
Don't forget to like and comment on this video and subscribe to our channel!
Step-By-Step Instructions
1
Before you replace the dryer idler pulley in your washer / dryer combo…
2
…be sure to unplug the power cord or shut off the power supply.
3
Use a phillips-head screwdriver to unthread the screws securing the lower access panel.
4
Detach the panel and set it aside.
5
Insert a putty knife above the front access panel to release the spring clips to detach the panel.
6
Remove the lint screen.
7
Next, use a 5/16th inch socket or nut driver to unthread the screws to release the air duct.
8
Unthread the four screws securing the heater shield.
9
Detach the shield.
10
Unthread the two lower screws securing the front panel and bulkhead.
11
Unthread the three screws securing the control panel assembly.
12
Fully detach the panel assembly…
13
…and set it on the top of the appliance.
14
Use a small flat-head screwdriver to help disconnect the door switch wire connecter.
15
You can now unthread the two upper screws securing the front panel and bulkhead – be sure to support the panel while removing the screws.
16
Lift the panel up then down to remove
17
Now reach under the drum and…
18
…push the idler pulley to release the tension on the belt then unthread the belt from the idler pulley and motor pulley.
19
Push the belt behind the drum and you can lift the drum out of the cabinet.
20
Detach the idler pulley spring.
21
Use needle-nose pliers to pry off the tri-ring securing the pulley.
22
Bend the arm slightly and you can slide the old pulley off.
23
Before you install the new idler pulley…
24
…make sure the washer is in place on the idler arm shaft.
25
Now slide on the new pulley…
26
…and secure it with the tri-ring.
27
Reattach the spring.
28
Support the belt on the rear bulkhead.
29
With the indentation near the rear, reinstall the drum by aligning the rear rim on the rollers…
30
…then align the belt in the indentation.
31
Loop the belt around the idler pulley and motor pulley in a zig-zag formation.
32
Rotate the drum to help align the belt.
33
Reinstall the front panel and bulkhead by aligning the drum on the bulkhead as you hook the panel on the brackets.
34
Thread the upper screws.
35
Reconnect the door switch wire.
36
Reinstall the control panel assembly.
37
Rethread the three screws on top.
38
Thread the lower screws to secure the front panel.
39
Reposition the heater shield and secure it with the four screws.
40
Realign the air duct and thread the screws to secure.
41
Replace the lint screen.
42
Align the front access panel spring clips with the slots and snap the panel into place.
43
Reposition the lower access panel and secure it with the screws.
44
Plug the power cord back in or restore the power supply…
45
…and your washer/dryer combo should be ready for use.
Applicable Product Model
Parts Needed
Idler Pulley
$29.50
Total$0.00
Related Articles & Videos
05:07
Part Replacement
Whirlpool Electric Washer/Dryer Combo Lid Switch Assembly Replacement Part # WP3355458
08:48
Part Replacement
Whirlpool Electric Washer/Dryer Combo Dryer Drive Belt Replacement #661570V
Our Story
Family-owned and operated since 1912, Burke America Parts Group is the longest-running genuine appliance, HVAC, and outdoor power equipment parts solution in North America. At Repair Clinic, we're proud to be an international brand trusted by the pros as well as the DIY community.
About Repair Clinic
© 2026 RepairClinic.com