subaru wrx leaking rear differential what to fix
Gear Oil Leaking from Rear Differential Cover – 2015 Subaru WRX STI
NUMBER: 03-74-14
DATE: 08/18/14
| APPLICABILITY: | 2015 WRX STI |
|---|---|
| Bailiwick: | Gear Oil Leaking from Rear Differential Embrace |
INTRODUCTION
This bulletin provides a repair procedure to address a customer concern of a gear oil leak from the rear differential cover area. As with any diagnosis, brainstorm by confirming the source of the leak. This volition involve thoroughly cleaning the contaminated surfaces of all remainder gear oil and the awarding of a suitable leak tracing developer such equally Castle Leak Tracer Powder or similar. If the source of the leak is confirmed equally the breather vent assembly which is pressed into the aluminum rear differential cover, both the cover and the breather vent will require replacement. In some cases, you may find the breather vent is visibly not fully or evenly seated while in others, it may appear affluent. Proper seating of the sabbatical vent is non the criteria for replacement of the vent and comprehend. Rely on the results of your leak tracing to determine what repair is required. While this bulletin addresses a specific possible leak source, if your diagnosis leads to a different source, repair that condition by following the applicable Service Transmission information.
COUNTERMEASURE IN Production
A alter to the sabbatical vent installation process was made in product July 21, 2014 starting with VIN F9812950.
PART INFORMATION
The following list of parts volition be required to perform the rear differential comprehend replacement:
| Function Proper noun | PART NUMBER | QUANTITY REQUIRED | NOTES |
|---|---|---|---|
| Cap, Breather | 38354AA020 | 1 | due north/a |
| Comprehend, Differential Carrier | 38316AA061 | ane | |
| Gasket, Differential Carrier | 38353AA050  | ane | |
| Gasket, Bleed Plug | 803920050 | ii | one for Drain Plug, 1 for Temperature Sensor |
| Self-Locking Nuts | 902350027 | 4 | These are all one-fourth dimension use hardware items which require replacement when removing the rear differential assembly. |
| Frazzle Gasket | 44022AA123 | one | |
| Self-Locking Nuts | 802008270 | 2 | |
| Gear Oil | SOA427V1800 | i | Case of 12, 1-quart bottles. (See more data at the end of this procedure.) |
SERVICE PROCEDURE / Data
The repair for this condition involves replacement of the rear differential cover and gasket along with the installation of a new sabbatical vent associates.
- Remove the rear differential assembly from the vehicle post-obit the procedures outlined in the applicative Service Manual.
- To brand it easier, Advisedly remove the 2 mounting studs from the original embraceBEFORE removing the embrace, as they will demand to be changed over to the replacement.
- Drain the gear oil then remove the original cover and thoroughly clean and audit the gasket sealing surface differential case for any irregularities.
- Fit the new gasket to the encompass as shown. Reinstall the 8 comprehend mounting bolts and torque to 44 Nm (32.five ft. lbs). NOTE: The new gasket goes on "dry" with NO SEALER.
- Clean and transfer the drain plug into the new encompass and install a new sealing gasket. Torque the bleed plug to 60 Nm (44.3 ft. lbs.).
- Reinstall the ii differential assembly mounting studs into the new embrace until they bottom out.DO Non OVERTIGHTEN.
VERY Of import: When installing the new breather vent assembly into the rear comprehend, DO NOT tap on portion "A" shown in the illustration beneath. The square bulldoze end of a 12mm ½-inch bulldoze deep-well impact socket fits over and past portion "A" down onto the "flange" portion "B" and makes an excellent installation tool / driver.
NOTE: The new breather vent assembly is likewise installed "dry" with NO SEALER. CAREFULLY tap the new breather vent into the comprehend while keeping the impact socket (installation tool) foursquare and perpendicular as shown in the photos below. The tapping sound volition change when the flange portion of the sabbatical vent bottoms out and is fully seated (no gap) against the rear cover.
- The rear differential assembly is now ready for reinstallation into the vehicle in the opposite order of removal. REMINDER: The 6 cocky-locking nuts are one-fourth dimension use and must be replaced.
- After installation, fill up the rear differential assembly with the required Genuine Subaru 80W90 LSD Gear Oil. The role number to employ for ordering purposes is: SOA427V1800 (which is a example of 12, i- quart bottles). Two (ii) 1 quart bottles may exist claimed when performing this repair procedure. (Actual fill amount is 1.1 quarts.)*Use office number SOA635302 when claiming these 2 quarts of LSD Gear Oil.
- Install the gear oil temperature sensor with a new sealing gasket and torque to 60 Nm (44.3 ft. lbs.).
WARRANTY / Merits INFORMATION
For vehicles inside the Bones New Machine Limited and / or Powertrain Warranty flow, this repair may be claimed using the following data:
| LABOR DESCRIPTION | LABOR OPERATION # | FAIL Lawmaking | LABOR TIME |
|---|---|---|---|
| Rear Differential Embrace Gasket / Vent R&R | A372-301 | KVY-34 | i.ii |
https://static.nhtsa.gov/odi/tsbs/2014/SB-10068343-0699.pdf
Price Disclaimer
Cost Disclaimer
Cost Disclaimer
Source: https://subaru.oemdtc.com/577/gear-oil-leaking-from-rear-differential-cover-2015-subaru-wrx-sti
0 Response to "subaru wrx leaking rear differential what to fix"
Post a Comment