How should you lubricate the Door Hinge, Door Lock, Hood Hinge, Hood Latch and Hood Release Cable for Diesel engines on Audi A3?

Apply to the hinges, doors and tailgate suffused light general-purpose oil, and lubricate all the latches, locks, and lock strikers. Do this, at the same time inspecting the security and functioning of all the locks, bringing them into proper position where needed. Moreover, the bonnet release mechanism and cable should be lightly lubricated with an appropriate grease.

How to remove the Hood Latch on Audi A3?

To unlock the hood latch, one has to firstly unlock the hood and then remove the radiator grille. Then remove wiring of contact microswitch on the left hand side of the radiator above the top hose, which entails disconnection of the hood latch microswitch over the headlight. Next turn off the hood cable at the join adapter over the headlight: lift the cover, and release the cable end connection, and then it can be disconnected at the hood latch. Note the positions of the three mounting bolts in their slots to make the correct adjustment in the re-installation process and unscrew and take them out. Cautiously unscrew the crossmember lock and remove the cable by lifting the cover and unhooking the cable end connector to the lock lever. Disconnect the wiring support clips located under the crossmember and pull the latch back and through the hole in the crossmember. To reinstall again, do the same in the same order of removal except the hood fastens and releases are to be secured properly and then the radiator grille is to be replaced. Should you need to make adjustments, unscrew the nut screws that hold the latch in place, reposition the latch and then screw the nut screws once more.

Genuine Audi A3 Hood Latch

Engine Hood Latch

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Audi A3 Lock & Switch Part Number: 8V0-823-509-A
$148.75 MSRP: $178.56
You Save: $29.81 (17%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Lock; Lock Switch
- Replaces: 8V0-823-509
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2015-2020 Audi A3 | Premium, Premium Plus, Prestige, TDI Premium, TDI Premium Plus, TDI Prestige, Titanium | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
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Audi A3 Lock & Switch Part Number: 8P0-823-509-D
$171.47 MSRP: $205.84
You Save: $34.37 (17%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lock; Lock Switch
- Replaces: 8P0-823-509-F
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2006-2008 Audi A3 | Base | 4 Cyl 2.0 L GAS
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Audi A3 Lock & Switch Part Number: 8P0-823-509-K
$171.47 MSRP: $205.84
You Save: $34.37 (17%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lock; Lock Switch
- Replaces: 8P0-823-509-H
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2009-2013 Audi A3 | Base, TDI | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
View related parts
Audi A3 Lock & Switch Part Number: 8Y0-823-509-A
$176.12 MSRP: $211.43
You Save: $35.31 (17%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Latch; Lock, Lock Switch
- Replaces: 8Y0-823-509
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 2022-2024 Audi A3 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS

Audi A3 Hood Latch

The fundamental protection that the Audi A3 Hood Latch offers is that the hood will always stay firmly closed to ensure that it never lifts up during the time that the car is being driven. It fits at the front of the hood, having an interior release handle and a cable connection, creating a three-part system that locks and unlocks the panel when instructed, making this Audi Hood Latch central to its operation. When the driver pulls the handle, commonly attached to the steering wheel or the door frame, the cable pulls the catch open and access to important components of the car, including the engine, radiator, and battery, is provided quickly thanks to the Audi Hood Latch. The layout has been largely unchanged throughout all the A3 model years, so there are no reported alternative factory styles and drivers get the same operation style across the generations. In road-going Audi models, the primary catch is spring-loaded and there is a second safety hook that prevents partial closures from becoming dangerous at speed. The factory mechanism can be supported by the use of hood pins in racing arrangements, but the addition is unnecessary in production Audi cars due to the inherent Hood Latch. The Hood Latch is ultimately a line of defense against key hardware, and a basic cleaning and light lubrication routine will assist in ensuring that it continues to perform its intended duty to maintain the safety and reliability that Audi owners expect.

Choose original equipment manufacturer Hood Latch for great performance and strong durability. They use Audi's official craftsmanship and high-grade materials, and meet strict quality standards. Are you looking for quality Hood Latch at a good price? Come to our online store. We carry a wide range of genuine parts for your Audi A3 and the prices are competitive. Each part comes with the manufacturer's warranty. You can install with confidence and get steady results. Over time, you'll save money and avoid hassle. Keep your maintenance simple and protect your vehicle with OEM parts. Get the quality your A3 needs now.

Audi A3 Hood Latch Parts and Q&A

Lock & Switch
8P0-823-509-K
Q: How should you lubricate the Door Hinge, Door Lock, Hood Hinge, Hood Latch and Hood Release Cable for Diesel engines on Audi A3?
A:
Apply to the hinges, doors and tailgate suffused light general-purpose oil, and lubricate all the latches, locks, and lock strikers. Do this, at the same time inspecting the security and functioning of all the locks, bringing them into proper position where needed. Moreover, the bonnet release mechanism and cable should be lightly lubricated with an appropriate grease.
Lock & Switch
8P0-823-509-D
Q: How to remove the Hood Latch on Audi A3?
A:
To unlock the hood latch, one has to firstly unlock the hood and then remove the radiator grille. Then remove wiring of contact microswitch on the left hand side of the radiator above the top hose, which entails disconnection of the hood latch microswitch over the headlight. Next turn off the hood cable at the join adapter over the headlight: lift the cover, and release the cable end connection, and then it can be disconnected at the hood latch. Note the positions of the three mounting bolts in their slots to make the correct adjustment in the re-installation process and unscrew and take them out. Cautiously unscrew the crossmember lock and remove the cable by lifting the cover and unhooking the cable end connector to the lock lever. Disconnect the wiring support clips located under the crossmember and pull the latch back and through the hole in the crossmember. To reinstall again, do the same in the same order of removal except the hood fastens and releases are to be secured properly and then the radiator grille is to be replaced. Should you need to make adjustments, unscrew the nut screws that hold the latch in place, reposition the latch and then screw the nut screws once more.