Price Match Guarantee
In-stock parts ship the same day
365-Day Return Policy
Price Match GuaranteeGET PRO PRICING
Video & Articles: Appliance & Equipment RepairWhirlpool Retractable Downdraft Vent Lower Arm Replacement #WPW10421277
Whirlpool Retractable Downdraft Vent Lower Arm Replacement #WPW10421277
Skill Level
Total Parts Cost
$60.66Estimated Savings
$112.5006:43
- Description
This video provides step-by-step repair instructions for replacing the lower arm on a Whirlpool Retractable Downdraft Vent (model #UXD8630DYS4). The most common reason for replacing the arm is if the vent will not raise or lower properly.
All of the information for this arm replacement video is applicable to the following brands:
Whirlpool
Tools used: T-10 Torx bit
All of the information for this arm replacement video is applicable to the following brands:
Whirlpool
Tools used: T-10 Torx bit
Step By Step Instructions
1
Anncr: repairclinic makes fixing things easy…
2
…with millions of replacement parts available on our website…
3
…and the help you need to do the repair yourself.
4
Since we encourage you to perform this repair safely, a warning icon will appear when you should use caution.
5
Before you replace the lower arm in your retractable downdraft vent…
6
…be sure to shut off the power to the unit.
7
Detach the venting from the backdraft damper.
8
Unthread the four screws securing the vent box cover.
9
Slide the cover up to detach.
10
Cut the zip tie to release the blower assembly power cable…
11
…then disconnect the cable.
12
Now support the bottom of the vent box…
13
…and unthread the seven screws on the top and sides securing the vent box to the plenum.
14
With the screws unthreaded, carefully lift the vent box and blower assembly off of the two bottom shoulder screws and away from the cabinet.
15
You can now remove the nut securing the upper arm to the lower arm.
16
Use a 10mm socket to rotate the nut clockwise to loosen then fully unthread the nut.
17
Now use a t-20 torx bit to unthread the four screws securing the drive motor and switch mounting plate to the plenum.
18
Flip the plate over…and rotate the lower arm to access the set screws.
19
Use a 5/64th inch allen wrench to loosen the set screws.
20
Now rotate the lower arm until the notch in the cam is aligned with the white plastic actuator…
21
…and you can pull the old arm straight up to remove.
22
Prepare the new lower arm for installation…
23
…by partially threading the old set screws into the arm.
24
Apply some white lithium grease to both sides of the cam as well as on the opposite end of the arm.
25
Now align the new lower arm on the motor shaft…then rotate the arm until the notch in the cam aligns with the white plastic actuator.
26
Confirm that the arm is fully seated…
27
…then tighten the set screws.
28
Rotate the arm so it’s facing downward…then reposition the drive motor and switch assembly mounting plate on the plenum.
29
Thread the four screws to secure the plate.
30
Align the lower arm with the upper arm then thread the nut counter-clockwise…
31
…and tighten.
32
Reinstall the vent box and blower assembly by first feeding the power cable through the rear of the box.
33
Align the bottom edge of the box on the shoulder screws.
34
Support the box…
35
…then rethread and tighten the seven screws to hold the box in place.
36
Reconnect the blower assembly power cable…
37
…and use a zip tie to secure the cable.
38
Reinstall the vent box cover by positioning it over the shoulder screws and sliding it down.
39
Thread and tighten the screws to secure.
40
Reattach the venting to the damper.
41
With the repair completed…
42
…turn the power supply back on…
43
…and the retractable downdraft vent should be ready for use.
44
At repairclinic – we make fixing things easy.
45
Thank you for supporting the production of these videos by purchasing your parts from our website.
Description
This video provides step-by-step repair instructions for replacing the lower arm on a Whirlpool Retractable Downdraft Vent (model #UXD8630DYS4). The most common reason for replacing the arm is if the vent will not raise or lower properly.
All of the information for this arm replacement video is applicable to the following brands:
Whirlpool
Tools used: T-10 Torx bit
All of the information for this arm replacement video is applicable to the following brands:
Whirlpool
Tools used: T-10 Torx bit
Step-By-Step Instructions
1
Anncr: repairclinic makes fixing things easy…
2
…with millions of replacement parts available on our website…
3
…and the help you need to do the repair yourself.
4
Since we encourage you to perform this repair safely, a warning icon will appear when you should use caution.
5
Before you replace the lower arm in your retractable downdraft vent…
6
…be sure to shut off the power to the unit.
7
Detach the venting from the backdraft damper.
8
Unthread the four screws securing the vent box cover.
9
Slide the cover up to detach.
10
Cut the zip tie to release the blower assembly power cable…
11
…then disconnect the cable.
12
Now support the bottom of the vent box…
13
…and unthread the seven screws on the top and sides securing the vent box to the plenum.
14
With the screws unthreaded, carefully lift the vent box and blower assembly off of the two bottom shoulder screws and away from the cabinet.
15
You can now remove the nut securing the upper arm to the lower arm.
16
Use a 10mm socket to rotate the nut clockwise to loosen then fully unthread the nut.
17
Now use a t-20 torx bit to unthread the four screws securing the drive motor and switch mounting plate to the plenum.
18
Flip the plate over…and rotate the lower arm to access the set screws.
19
Use a 5/64th inch allen wrench to loosen the set screws.
20
Now rotate the lower arm until the notch in the cam is aligned with the white plastic actuator…
21
…and you can pull the old arm straight up to remove.
22
Prepare the new lower arm for installation…
23
…by partially threading the old set screws into the arm.
24
Apply some white lithium grease to both sides of the cam as well as on the opposite end of the arm.
25
Now align the new lower arm on the motor shaft…then rotate the arm until the notch in the cam aligns with the white plastic actuator.
26
Confirm that the arm is fully seated…
27
…then tighten the set screws.
28
Rotate the arm so it’s facing downward…then reposition the drive motor and switch assembly mounting plate on the plenum.
29
Thread the four screws to secure the plate.
30
Align the lower arm with the upper arm then thread the nut counter-clockwise…
31
…and tighten.
32
Reinstall the vent box and blower assembly by first feeding the power cable through the rear of the box.
33
Align the bottom edge of the box on the shoulder screws.
34
Support the box…
35
…then rethread and tighten the seven screws to hold the box in place.
36
Reconnect the blower assembly power cable…
37
…and use a zip tie to secure the cable.
38
Reinstall the vent box cover by positioning it over the shoulder screws and sliding it down.
39
Thread and tighten the screws to secure.
40
Reattach the venting to the damper.
41
With the repair completed…
42
…turn the power supply back on…
43
…and the retractable downdraft vent should be ready for use.
44
At repairclinic – we make fixing things easy.
45
Thank you for supporting the production of these videos by purchasing your parts from our website.
Applicable Product Model
Parts Needed
Support Bracket
$60.66
Total$0.00
Related Articles & Videos
08:31
Part Replacement
Whirlpool Retractable Downdraft Vent Drive Motor Replacement #WPW10398274
06:50
Part Replacement
Whirlpool Retractable Downdraft Vent Lower Limit Switch Replacement #2118461
02:32
Part Replacement
Whirlpool Retractable Downdraft Vent Push Button Switch Replacement #W11230930
07:43
Part Replacement
Whirlpool Retractable Downdraft Vent Upper Limit Blower Switch Replacement #W11098806
01:29
Part Replacement
Whirlpool Retractable Downdraft Vent Top Trim Mounting Post Replacement #W10421517
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