What precautions should be taken when disconnecting the battery and replacing the power brake booster on Volkswagen Jetta?

This should be done with care because when the battery is disconnected, there are a number of systems that will have to be re-learned in order to be used correctly. Some models have an automatic transaxle, where a vacuum pump supplies vacuum to the power brake booster along with manifold vacuum, installed close to the ABS/ESP hydraulic unit that supplies a vacuum hose to the brake booster. A dealer service department or qualified repair shop should perform diagnosis in case the system appears defective since the power brake booster is not serviceable and should be replaced in case it is faulty. The power brake booster is taken off as one piece together with the master cylinder. To carry out an operating check, press and release the brake pedal several times with the engine off to confirm that there is no change in the peddle reserve distance after which, the engine can be started and a slight drop in the peddle indicates that the system operates properly. To check the airtightness, begin the engine and turn it off after one to two minutes, depressing the brake pedal slowly a few times; the reduction in the amount of the pedal depression means that the booster is airtight. Turn the engine off, multiple presses on the brake pedal, remove the engine cover, separate the negative battery terminal, and pull out the battery and tray. Also to be removed are the driver side knee bolster, brake light switch and the removal of the booster pushrod off the brake pedal with a special tool that has been made. The master cylinder and vacuum hose attached to the brake booster located within the engine compartment is to be removed, clips, and any sound insulation panels. In models with a manual transaxle, the shift cables and brackets must be removed, whereas when it is an automatic transaxle, the transmission cooler line must be clamped and disconnected. The bottom trim panel and booster mounting nuts are removed in the car, the brake booster removed off the firewall, then the cowl compartment is detached and separated with the master cylinder. Installation: Assemble the master cylinder with the power brake booster when installing, making sure that the pushrod fits in correctly; and remove them in the part of the sequence that they were installed in. All mounting fasteners must be tightened to the torque values mentioned and to bleed the master cylinder an assistant must pump the brake pedal and hold it to the floor, loosening line fittings until none more air and fluid passes through at all. Enough rags to receive any leakage of brake fluid, which may damage painted surfaces should be available and once the brake system has been bled, the brakes should be put into operation to ensure the vehicle is set back to normal service. Also, on those models that have a manual transaxle, the clutch system will need bleeding as well as the brake system.

Genuine Volkswagen Jetta Brake Booster

Brake Power Booster

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12 Brake Boosters found

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Volkswagen Jetta Brake Booster Part Number: 5QM-614-106-C
$70.20 MSRP: $98.32
You Save: $28.12 (29%)
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Product Specifications
- Other Name: Brake Servo; Booster Assembly, Brake Booster
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2019 Volkswagen Jetta | GLI 35th Anniversary Edition, GLI Autobahn, GLI S, R-Line, S, SE, SEL, SEL Premium | 4 Cyl 1.4 L GAS, 4 Cyl 2.0 L GAS
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Volkswagen Jetta Brake Booster Part Number: 5QM-614-106-D
$56.29 MSRP: $78.18
You Save: $21.89 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Brake Servo; Booster Assembly, Brake Booster, Power Booster
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2019-2024 Volkswagen Jetta | GLI 35th Anniversary Edition, GLI Autobahn, GLI S, R-Line, S, SE, SEL, SEL Premium, Sport | 4 Cyl 1.4 L GAS, 4 Cyl 1.5 L GAS, 4 Cyl 2.0 L GAS
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Volkswagen Jetta Brake Booster Part Number: 1J1-614-106-H
$250.10 MSRP: $341.67
You Save: $91.57 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Brake Servo; Booster Assembly
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2001-2002 Volkswagen Jetta | GL, GLI, GLS, GLX, TDI, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Jetta Brake Booster Part Number: 1H1-612-107-C
$265.69 MSRP: $362.97
You Save: $97.28 (27%)
ADD TO CART
Product Specifications
- Other Name: Brake Servo; Brake Booster
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1993-1999 Volkswagen Jetta | Celebration Edition, City, GL, GLS, GLX, GT, Jazz, K2, Limited Edition, TDI, Trek, Wolfsburg Edition | 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Jetta Brake Booster Part Number: 1H1-612-107-D
$296.90 MSRP: $405.60
You Save: $108.70 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Servo; Brake Booster, Power Booster
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1993-1999 Volkswagen Jetta | Celebration Edition, City, GL, GLS, GLX, GT, Jazz, K2, Limited Edition, TDI, Trek, Wolfsburg Edition | 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Jetta Brake Booster Part Number: 1J1-614-106-J
$384.29 MSRP: $524.99
You Save: $140.70 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Servo; Booster Assembly
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2002-2005 Volkswagen Jetta | GL, GL TDI, GLI, GLS, GLS TDI, GLX, TDI, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Jetta Brake Booster Part Number: 1K1-614-106-BL
$408.69 MSRP: $558.32
You Save: $149.63 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Brake Servo; Booster Assembly, Brake Booster, Power Booster
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2005-2018 Volkswagen Jetta | 2.0T, 2.5, Base, GL, GL TDI, GLI, GLI SE, GLI SEL, GLS, GLS TDI, S, SE, SE Sport, SEL, SEL Premium, Sport, TDI, TDI Cup Edition, TDI Premium, TDI S, TDI SE, TDI SEL, Value Edition, Wolfsburg Edition | 4 Cyl 1.4 L GAS, 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS, 5 Cyl 2.5 L GAS
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Volkswagen Jetta Brake Booster Part Number: 1J1-614-106-E
$423.94 MSRP: $579.15
You Save: $155.21 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Servo; Brake Booster
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1999-2005 Volkswagen Jetta | GL, GL TDI, GLI, GLS, GLS TDI, GLX, TDI, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L DIESEL, 4 Cyl 2.0 L GAS, 6 Cyl 2.8 L GAS
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Volkswagen Jetta Brake Booster Part Number: 1K1-614-106-AQ
$445.29 MSRP: $608.32
You Save: $163.03 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Brake Servo; Booster Assembly
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 2013-2016 Volkswagen Jetta | Hybrid, Hybrid SE, Hybrid SEL, Hybrid SEL Premium | 4 Cyl 1.4 L FULL HYBRID EV-GAS (FHEV)
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Volkswagen Jetta Brake Booster Part Number: 191-612-107-A
$255.86 MSRP: $349.53
You Save: $93.67 (27%)
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Product Specifications
- Other Name: Brake Servo
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1984-1988 Volkswagen Jetta | Base, Carat, GL, GLI, GLI 16-Valve, Wolfsburg Edition | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.7 L GAS, 4 Cyl 1.8 L GAS
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Volkswagen Jetta Brake Booster Part Number: 357-612-107-A
$265.69 MSRP: $362.97
You Save: $97.28 (27%)
ADD TO CART
Product Specifications
- Other Name: Brake Servo
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1990-1992 Volkswagen Jetta | Carat, GL, GLI 16-Valve | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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Volkswagen Jetta Brake Booster Part Number: 1H1-698-107-A
$382.10 MSRP: $522.00
You Save: $139.90 (27%)
ADD TO CART
Product Specifications
- Other Name: Brake Servo
- Warranty: This genuine part is guaranteed by Volkswagen's factory warranty.
Fits the following Vehicles:
- 1994-1995 Volkswagen Jetta | GLS | 4 Cyl 2.0 L GAS

Volkswagen Jetta Brake Booster

Volkswagen Jetta Brake Booster reduces the force required to press the foot to stop the car, transforming a light press of the pedal into powerful hydraulic pressure. Located between the pedal arm and the master cylinder, this produces a vacuum or, on certain performance models, hydraulic assist to multiply the strength of the driver many times over. The vacuum arrangement has been maintained in most of the modern models of Volkswagen since it is a compromise between cost and reliability. Vacuum Brake Booster, the highly widely applied in Volkswagen compacts, is the vacuum Brake Booster type, which has a two-part shell that has an inner diaphragm and a pushrod. When the foot is lifted off, the two chambers are filled with engine vacuum, and the system is balanced. When the pedal is pressed, an internal valve opens to allow outside air to flow into the back chamber, forcing the difference in pressure to push the diaphragm and the power piston forward, forcing the fluid through the master cylinder and out to the wheel calipers. A hydraulic Brake Booster unit operates in a different manner to borrow either power steering fluid under pressure or the output of an electric pump to generate the same amount of forward force; a design selected because the turbo-diesel versions, which do not necessarily provide a constant level of manifold vacuum, cannot always provide it. The designs achieve a similar result, but the hydraulic version provides more consistent boost at low engine speed or in situations where the vacuum supply is low. Subsequent generations of the Jetta continued to use the same vacuum assembly on most trim lines, with hydraulic boosters only applied in special applications, thus all Volkswagen drivers were provided with robust and strong braking with only slight effort on the pedal.

Choose OEM Brake Booster for superior quality and long-lasting durability. They match the Volkswagen's factory specifications exactly and pass strict quality control. If you plan to replace Brake Booster on your Jetta, put OEM at the top of your list. You'll get the right fit, reliable performance, and peace of mind. We stock an extensive inventory of genuine Volkswagen Jetta parts. It is easy to find what you need. You will love our competitive prices that help you save. No more hassle with returns or guesswork. Every part includes a warranty straight from the manufacturer. Get trusted quality, strong durability, and real value today.

Volkswagen Jetta Brake Booster Parts and Q&A

Brake Booster
1K1-614-106-AQ
Q: What precautions should be taken when disconnecting the battery and replacing the power brake booster on Volkswagen Jetta?
A:
This should be done with care because when the battery is disconnected, there are a number of systems that will have to be re-learned in order to be used correctly. Some models have an automatic transaxle, where a Vacuum Pump supplies vacuum to the power brake booster along with manifold vacuum, installed close to the ABS/ESP hydraulic unit that supplies a vacuum hose to the brake booster. A dealer service department or qualified repair shop should perform diagnosis in case the system appears defective since the power brake booster is not serviceable and should be replaced in case it is faulty. The power brake booster is taken off as one piece together with the master cylinder. To carry out an operating check, press and release the brake pedal several times with the engine off to confirm that there is no change in the peddle reserve distance after which, the engine can be started and a slight drop in the peddle indicates that the system operates properly. To check the airtightness, begin the engine and turn it off after one to two minutes, depressing the brake pedal slowly a few times; the reduction in the amount of the pedal depression means that the booster is airtight. Turn the engine off, multiple presses on the brake pedal, remove the engine cover, separate the negative battery terminal, and pull out the battery and tray. Also to be removed are the driver side knee bolster, brake light switch and the removal of the booster pushrod off the brake pedal with a special tool that has been made. The master cylinder and vacuum hose attached to the brake booster located within the engine compartment is to be removed, clips, and any sound insulation panels. In models with a manual transaxle, the shift cables and brackets must be removed, whereas when it is an automatic transaxle, the transmission cooler line must be clamped and disconnected. The bottom trim panel and booster mounting nuts are removed in the car, the brake booster removed off the firewall, then the cowl compartment is detached and separated with the master cylinder. Installation: Assemble the master cylinder with the power brake booster when installing, making sure that the pushrod fits in correctly; and remove them in the part of the sequence that they were installed in. All mounting fasteners must be tightened to the torque values mentioned and to bleed the master cylinder an assistant must pump the brake pedal and hold it to the floor, loosening line fittings until none more air and fluid passes through at all. Enough rags to receive any leakage of brake fluid, which may damage painted surfaces should be available and once the brake system has been bled, the brakes should be put into operation to ensure the vehicle is set back to normal service. Also, on those models that have a manual transaxle, the clutch system will need bleeding as well as the brake system.