How to Replace the Front Crankshaft Seal on an Acura Legend?

Remove the timing belt and crankshaft sprocket while leaving the engine mount in place to support the engine. Carefully pry the seal out of the engine using a screwdriver or seal removal tool, ensuring not to scratch the housing bore or damage the crankshaft, as any damage could lead to leaks with the new seal. Clean the oil seal bore and coat the outer edge of the new seal with a small amount of engine oil to facilitate installation, and apply moly-base grease to the seal lip. Using Acura tool no. 07GAD-PH70200 or a socket with an outside diameter slightly smaller than that of the seal, carefully drive the new seal into place with a hammer, ensuring the socket or a short section of large diameter pipe is used if a socket is unavailable. After installation, check the seal to confirm that the garter spring did not pop out of place. Reinstall the crankshaft sprocket and timing belt, then run the engine to check for oil leaks at the front seal.

Genuine Acura Legend Crankshaft Seal

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5 Crankshaft Seals found

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Acura Legend Crankshaft Oil Seal (80X98X10) (Arai)
Part Number: 91214-RNB-A01
$14.03 MSRP: $19.57
You Save: $5.54 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Oil Seal (80X98X10) (Arai) ; Rear Main Seal; Rear Main Seal
- Replaces: 91214-PL2-004, 91214-PH7-003, 91214-PWA-003, 91214-PY3-003, 91214-PH7-004, 91214-PNA-014, 91214-RTA-004, 91214-PH7-013
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura Legend Oil Seal (98X80X10)
Part Number: 91214-PL2-003
$28.57 MSRP: $40.80
You Save: $12.23 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Oil Seal (98X80X10) (Nok) ; Rear Main Seal; Rear Main Seal
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura Legend Oil Seal (41X56X8)
Part Number: 91212-PY3-003
$22.41 MSRP: $31.25
You Save: $8.84 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oil Seal (41X56X8) (Nok) ; Front Crank Seal; Front Crank Seal, Oil Pump Seal, Oil Seal
- Replaces: 91212-P5G-004
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura Legend Oil Seal (80X98X10) (Arai)
Part Number: 91214-PL2-004
$13.70 MSRP: $19.57
You Save: $5.87 (30%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Replaced by: 91214-RNB-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
View related parts
Acura Legend Oil Seal (41X56X8)
Part Number: 91212-PH7-013
$22.41 MSRP: $31.25
You Save: $8.84 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 91212-PH7-003
- Warranty: This genuine part is guaranteed by Acura's factory warranty.

Acura Legend Crankshaft Seal

Acura Legend Crankshaft Seal is the engine's guardian, keeping oil within the crankcase so moving parts will be kept cool and lubricated. Shaped like a sturdy metal ring bonded to pliable rubber, this Crankshaft Seal fits on the front snout of the crank, which helps the Acura engine as its lip wipes away stray fluid. This is a simple but effective mechanism to stop any leaking even at high rpm. Without a healthy Crankshaft Seal, vital lubricant would leak out and invite damaging friction. Across every production run of the Legend in Acura, designers stuck to one radial-lip design instead of multiple designs, albeit with the later years enhancing the rubber compounds for better resistance to heat. This allows for only a real increase in the life of the Legend while maintaining constant core dimensions for easy interchange. When mileage increases, a shiny oil trail beneath a resting Legend, damp residue around the crank pulley, or dropping dipstick readings are a warning sign the Crankshaft Seal surface has worn and lost tension. Swift replacement of the Crankshaft Seal restores proper oil pressure, reduces wear, and maintains the smooth revving characteristic that loyal Acura owners love in their Legend.

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Acura Legend Crankshaft Seal Parts Questions & Experts Answers

Crankshaft Oil Seal (80X98X10) (Arai)
91214-RNB-A01
Q: How to Replace the Front Crankshaft Seal on an Acura Legend?
A:
Remove the Timing Belt and crankshaft sprocket while leaving the Engine Mount in place to support the engine. Carefully pry the seal out of the engine using a screwdriver or seal removal tool, ensuring not to scratch the housing bore or damage the crankshaft, as any damage could lead to leaks with the new seal. Clean the oil seal bore and coat the outer edge of the new seal with a small amount of engine oil to facilitate installation, and apply moly-base grease to the seal lip. Using Acura tool no. 07GAD-PH70200 or a socket with an outside diameter slightly smaller than that of the seal, carefully drive the new seal into place with a hammer, ensuring the socket or a short section of large diameter pipe is used if a socket is unavailable. After installation, check the seal to confirm that the garter spring did not pop out of place. Reinstall the crankshaft sprocket and timing belt, then run the engine to check for oil leaks at the front seal.