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FAX 404-305-9437 |
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Installation Recommendations |
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FAX 404-305-9437 |
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METRO |
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| Metro Parts Market warranties all differentials to be free from defects in materials and workmanship at the time of purchase. Purchasers and users rely upon their own judgment as to suitable use, selection, service and installation. No warranty on differentials that show evidence of improper INSTALLATION, ALTERATION, ABUSE OR BREAKAGE. |
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| Any overloading or overheating will cause the oil to break down and the ring gear and pinion will fail. A ring gear and pinion installation, especially a high numeric ratio with new bearings, can cause an excessive heat build up in the rear end and cause softening of the gear teeth and bearings if a break-in is not performed. |
| Break-in Procedure - All vehicles and all applications: |
| To break-in the installation, perform a run-in prior to driving with the rear wheels jacked up, operating at idle speed in high gear for a minimum of five (5) minutes. Then drive the vehicle 10 miles at a normal speed, let cool for one (1) hour and then repeat entire process again. |
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| Notes for Special Use Vehicles: |
| Vehicles used for Towing: |
| Vehicles used for towing need approximately 200 - 300 miles of normal street driving before being used for towing. |
| Circle track race cars: |
| Make approximately 6 - 8 laps at slow speed, then let cool for 30 minutes, make 6 -8 laps more at slow speed, then 2 -3 laps at full speed, let cool again for 30 minutes. |
| Drag cars: |
| Drag cars need only an initial run-in since they are driven short distances and heat is not normally a problem with proper lubrication and backlash allowances. |
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| Installation Notes |
| No crush washer: |
| All 9 inch units us a solid spacer in place of the stock crush sleeve. This is not only stronger, but facilitates the replacement of the pinion yoke and/ or seal without affecting pinion bearing preload. |
| Trac Locs: |
| Trac Locs require that you always install the driver side axle first to avoid misalignment of the split side gears. |
| Tire Size: |
| All positraction differentials require both rear tires to have the same circumference in order for the differential to work properly without wearing out prematurely. |
| Recommended gear oil: |
| GL-5 80 - 90 wt.
Positractions units require a friction modifier additive |
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Phone 404-767-3378 - Fax 404-305-9437 Ask for Tim We ship UPS, Truck Freight and accept all major Credit Cards
Contact Metro Parts Market |
| Top - Metro Auto Parts Market |
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2576 West Point Ave. College Park, Ga. 30337 |
