How to remove and replace fuel injectors and fuel rails on Audi A4?

First of all, defuel the system and remove the cable to the negative battery terminal. On 1.8L four-cylinder and 3.0L V6 engines, disassemble the engine cover, wrap a rag around the fitting of the fuel supply line, and disconnect it, depending on the model year, as the fuel systems were different. Disconnect the electrical connector on four-cylinder models to the CMP sensor and the fuel injectors and on V6 models to the intake manifold change-over valve and fuel injectors. Unscrew the fuel rail mounting screwdriver, and hold the fuel rail on one hand and pull the injectors out with the other. Take off and dispose old injector O-rings, and replace even when only one injector was removed. To install, apply clean engine oil to new O-rings, install injectors in the fuel rail and hold them retainer clips. Fit the assemblies of the fuel rails onto the intake manifold, screw the fittings, and rejoin the battery. Switch on the fuel pump to pressurize and test leakages. To do it to 2.0L four-cylinder models, remove the engine cover, unscrew the intake duct and deconnect the fuel supply line fitting and plugging the open lines. Unscrew all electrical connectors and hoses at the intake manifold, loosen clamped brackets that hold coolant pipes, and, where required, empty coolant to loosen up radiator hose. Disconnect the intake manifold support bracket and the fuel pressure sensor, remove the dipstick and high-pressure fuel line fittings. Take out the intake manifold and the fuel rail as one unit, getting rid of the old gasket. To withdraw fuel injectors disengage radial compensator tabs and extract injector checking radial compensator and support ring condition. Take out the old sealing rings and check the uppermost spacer ring. Dismantle the intake manifold, (as required), withdrawing EVAP line fixtures, fuel line clamping, and intake flap motor. The process of reassembly goes in reverse of the disassembly. To assemble injectors again clean injector grooves, apply new Teflon seals with special tools or a socket assembly, apply spacer ring and O-ring. Fit injectors into the cylinder head making sure that they are completely installed. Replace the gasket on the intake manifold, then screw the manifold and fuel rail assembly in place, making sure that all the fasteners are aligned and tightened. In the case of 3.2L V6, pull up the engine cover and the upper intake manifold, detach the fuel supply line fitting, and pull out the fuel line bracket screws. Unscrew electrical connector on the intake manifold runners position sensor and fuel pressure sensor, then un screw the bottom intake manifold and fuel rails in one piece. Get rid of the old gasket, stuff the holes on the intake port and take off the working area. When injectors are stuck, a special puller may be used or the method described above. Take off the fuel rail retaining bracket fasteners, install all injector seals and install the support ring and radial compensator. Install the injector bores, the fuel injectors, reconnect the fuel rails, and the bottom manifold with a new gasket, and fasten the assembly in a crisscross pattern.

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58 Fuel Rails found

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Audi Fuel Rail Part Number: 06E-133-681-L
$43.56 MSRP: $60.00
You Save: $16.44 (28%)
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Product Specifications
- Other Name: Fuel Distributor
Fits the following Audi Models:
- A7 Quattro | 2016-2018 | Competition, Premium Plus, Prestige, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS
- Q7 | 2017-2019 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
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Audi Fuel Rail Part Number: 06M-133-316-L
$109.48 MSRP: $153.32
You Save: $43.84 (29%)
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Product Specifications
- Other Name: Fuel Distributor; Fuel Rail
Fits the following Audi Models:
- A6 Quattro | 2019-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- A6 allroad | 2020-2023 | Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- A7 Sportback | 2019-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- A8 Quattro | 2019-2023 | L, L Plug-In Hybrid | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- Q7 | 2020-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- Q8 | 2019-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- RS5 | 2021-2023, 2018-2019 | Base | 6 Cyl 2.9 L GAS
- RS5 Sportback | 2021-2023, 2019 | Base | 6 Cyl 2.9 L GAS
- S4 | 2018-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
- S5 | 2018-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
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Audi Fuel Rail Part Number: 06M-133-315-L
$108.29 MSRP: $151.69
You Save: $43.40 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Fuel Distributor; Fuel Rail
Fits the following Audi Models:
- A6 Quattro | 2019-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- A6 allroad | 2020-2023 | Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- A7 Sportback | 2019-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- A8 Quattro | 2019-2023 | L, L Plug-In Hybrid | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- Q7 | 2020-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- Q8 | 2019-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L MILD HYBRID EV-GAS (MHEV)
- RS5 | 2021-2023, 2018-2019 | Base | 6 Cyl 2.9 L GAS
- RS5 Sportback | 2021-2023, 2019 | Base | 6 Cyl 2.9 L GAS
- S4 | 2018-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
- S5 | 2018-2023 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
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Audi Fuel Rail Part Number: 06J-133-317-J
$87.11 MSRP: $122.00
You Save: $34.89 (29%)
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Product Specifications
- Other Name: Fuel Distributor
Fits the following Audi Models:
- A3 | 2009 | Base | 4 Cyl 2.0 L GAS
- A3 Quattro | 2009 | Base | 4 Cyl 2.0 L GAS
- A4 | 2009 | Base | 4 Cyl 2.0 L GAS
- A4 Quattro | 2009
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Audi Fuel Rail Part Number: 06L-133-317-N
$174.92 MSRP: $244.99
You Save: $70.07 (29%)
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Product Specifications
- Other Name: Fuel Distributor; Fuel Rail
- Replaces: 06L-133-317-E
Fits the following Audi Models:
- A3 | 2018-2019 | Premium, Premium Plus, Prestige, Titanium | 4 Cyl 2.0 L GAS
- A3 Quattro | 2018-2019 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
- A4 | 2017-2018 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
- A4 Quattro | 2017-2018 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
- S3 | 2018-2019 | Premium Plus, Prestige | 4 Cyl 2.0 L GAS
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Audi Fuel Rail Part Number: 06K-133-317-AA
$207.05 MSRP: $289.99
You Save: $82.94 (29%)
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Product Specifications
- Other Name: Fuel Distributor; Fuel Rail
- Replaces: 06K-133-317-D, 06K-133-317-H
Fits the following Audi Models:
- Q5 | 2018-2020 | Premium, Premium Plus, Prestige, Titanium Premium, Titanium Premium Plus, Titanium Prestige | 4 Cyl 2.0 L GAS
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Audi Fuel Rail Part Number: 06E-130-090-AJ
$160.65 MSRP: $225.01
You Save: $64.36 (29%)
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Product Specifications
- Other Name: Fuel Distributor
- Replaces: 06E-130-090-AF
Fits the following Audi Models:
- A6 Quattro | 2012-2018 | Competition, Premium, Premium Plus, Prestige, Sport, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS
- A8 Quattro | 2015-2018 | Base, L | 6 Cyl 3.0 L GAS
- Q7 | 2017-2019 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
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Audi Fuel Rail Part Number: 06A-133-681-E
$195.16 MSRP: $273.33
You Save: $78.17 (29%)
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Product Specifications
- Other Name: Fuel Distributor
Fits the following Audi Models:
- TT | 2001-2006 | Base | 4 Cyl 1.8 L GAS
- TT Quattro | 2001-2006 | ALMS Edition, Base | 4 Cyl 1.8 L GAS
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Audi Fuel Rail Part Number: 079-127-503-H
$201.11 MSRP: $281.66
You Save: $80.55 (29%)
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Product Specifications
- Other Name: Fuel Distributor
Fits the following Audi Models:
- RS4 | 2007-2008 | Base | 8 Cyl 4.2 L GAS
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Audi Fuel Rail Part Number: 07C-133-318-M
$211.82 MSRP: $296.67
You Save: $84.85 (29%)
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Product Specifications
- Other Name: Fuel Distributor
Fits the following Audi Models:
- A8 Quattro | 2005-2009 | L | 12 Cyl 6.0 L GAS
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Audi Fuel Rail Part Number: 059-130-089-BT
$362.94 MSRP: $508.32
You Save: $145.38 (29%)
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Product Specifications
- Other Name: Fuel Distributor
Fits the following Audi Models:
- A6 Quattro | 2014-2016 | TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL
- A7 Quattro | 2014-2016 | Base, Premium Plus, Prestige, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS
- A8 Quattro | 2014-2016 | L TDI | 6 Cyl 3.0 L DIESEL
- Q5 | 2014-2016 | Hybrid Prestige, Premium, Premium Plus, Prestige, TDI Premium Plus, TDI Premium Plus S-Line, TDI Prestige, TDI Prestige S-Line | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS
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Audi Fuel Rail Part Number: 06B-133-317-AF
$245.14 MSRP: $343.33
You Save: $98.19 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Fuel Distributor; Fuel Rail
- Replaces: 06B-133-317-AA, 06B-133-317-N
Fits the following Audi Models:
- A4 | 2002-2006 | Base, Cabriolet | 4 Cyl 1.8 L GAS
- A4 Quattro | 2002-2005 | Avant, Base
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Audi Fuel Rail Part Number: 06A-133-681-B
$279.64 MSRP: $391.66
You Save: $112.02 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Fuel Distributor
Fits the following Audi Models:
- TT | 2000-2006 | Base | 4 Cyl 1.8 L GAS
- TT Quattro | 2000-2006 | ALMS Edition, Base | 4 Cyl 1.8 L GAS
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Audi Fuel Rail Part Number: 07C-133-317-M
$284.41 MSRP: $398.33
You Save: $113.92 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Fuel Distributor
Fits the following Audi Models:
- A8 Quattro | 2005-2009 | L | 12 Cyl 6.0 L GAS
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Audi Fuel Rail Part Number: 06H-133-317-D
$340.34 MSRP: $476.67
You Save: $136.33 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Fuel Distributor
- Replaces: 06H-133-317-C
Fits the following Audi Models:
- A4 | 2013-2016 | Base, Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
- A4 Quattro | 2016 | Premium, Premium Plus | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS
- A5 Quattro | 2013 | Base, Cabriolet | 4 Cyl 2.0 L FLEX
- Q5 | 2013-2016 | Hybrid Prestige | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV)
- S4 | 2016 | Premium Plus, Prestige | 6 Cyl 3.0 L GAS
- allroad | 2013-2016 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L FLEX
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Audi Fuel Rail Part Number: 07L-127-503-H
$330.21 MSRP: $462.49
You Save: $132.28 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Fuel Distributor
Fits the following Audi Models:
- S6 | 2007-2011 | Base | 10 Cyl 5.2 L GAS
- S8 | 2007-2009 | Base | 10 Cyl 5.2 L GAS
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Audi Fuel Rail Part Number: 06E-130-089-AF
$349.86 MSRP: $490.01
You Save: $140.15 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Fuel Distributor
- Replaces: 06E-130-089-AC
Fits the following Audi Models:
- A6 Quattro | 2012-2018 | Competition, Premium, Premium Plus, Prestige, Sport, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS
- A8 Quattro | 2015-2018 | Base, L | 6 Cyl 3.0 L GAS
- Q7 | 2017-2019 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
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Audi Fuel Rail Part Number: 06E-130-090-T
$508.71 MSRP: $712.49
You Save: $203.78 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Fuel Distributor
- Replaces: 06E-130-090-F, 06E-130-090-D
Fits the following Audi Models:
- A4 | 2016 | Premium, Premium Plus | 4 Cyl 2.0 L GAS
- A4 Quattro | 2016, 2009 | Premium, Premium Plus | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
- A5 Quattro | 2008-2010 | Base | 6 Cyl 3.2 L GAS
- A6 | 2009-2011 | Base | 6 Cyl 3.2 L GAS
- A6 Quattro | 2009-2011 | Avant, Base | 6 Cyl 3.0 L GAS
- A7 Quattro | 2012-2015 | Base, Premium Plus, Prestige, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS
- A8 Quattro | 2013-2014 | Base, L | 6 Cyl 3.0 L GAS
- Q5 | 2009-2017 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- Q7 | 2011-2015 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
- S4 | 2010-2016 | Base, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
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Audi Fuel Rail Part Number: 079-127-503-AQ
$354.01 MSRP: $495.82
You Save: $141.81 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Fuel Distributor
Fits the following Audi Models:
- A6 Quattro | 2009-2011 | Base | 8 Cyl 4.2 L GAS
- A8 Quattro | 2010 | Base, L | 8 Cyl 4.2 L GAS
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Audi Fuel Rail Part Number: 06E-130-089-Q
$532.51 MSRP: $745.82
You Save: $213.31 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Fuel Distributor
- Replaces: 06E-130-089-D, 06E-130-089-B
Fits the following Audi Models:
- A4 | 2016, 2006-2007 | Base, Premium, Premium Plus | 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
- A4 Quattro | 2016, 2005-2009 | Avant, Base, Premium, Premium Plus | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
- A5 Quattro | 2008-2010 | Base | 6 Cyl 3.2 L GAS
- A6 | 2007-2011 | Base | 6 Cyl 3.2 L GAS
- A6 Quattro | 2007-2011 | Avant, Base | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- A7 Quattro | 2012-2015 | Base, Premium Plus, Prestige, TDI Premium Plus, TDI Prestige | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS
- A8 Quattro | 2013-2014 | Base, L | 6 Cyl 3.0 L GAS
- Q5 | 2009-2017 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS, 6 Cyl 3.2 L GAS
- Q7 | 2011-2015 | Premium, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
- S4 | 2010-2016 | Base, Premium Plus, Prestige | 6 Cyl 3.0 L GAS
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Audi Fuel Rail

The Audi Fuel Rail provides accurate high-pressure fuel distribution that allows each engine cylinder to fire with equal power and cleaner exhaust. Across the entire Audi lineup, drivers enjoy fast acceleration, Quattro all-wheel grip and digital cockpits that make every trip a tech-rich experience. Since 1909, the brand has combined racing heritage with day-to-day comfort, with sporty sedans, versatile SUVs and forward-looking e-tron electric models that are symptomatic of a cleaner future. Lightweight construction, matrix headlights and continuous safety research keep Audi at the forefront of automotive innovation while still providing car owners with smooth ride quality and refined cabins. Hidden beneath that veneer of show and class, the Fuel Rail is like a metal artery, carrying gasoline at pressures that can exceed 2,000 bar. By routing equal amounts of fuel to each injector in milliseconds, the Audi Fuel Rail prevents misfires, increases torque and keeps emissions low even when driving spiritedly. Unlike the older medium-pressure designs, the current Fuel Rail accommodates multiple pulses of injection to keep the combustion stable, improve mileage and make cold starts feel effortless. Because it serves every gasoline and hybrid powertrain in the range, this component is a perfect example of Audi's approach to reliability through smart, shared engineering that benefits owners from compact cars to flagship SUVs.

Stick with genuine OEM Fuel Rail when you need quality that holds up. Audi crafts these parts to hit strict factory specs for every single unit. They also run each part through rigorous checks during production to maintain high quality. You can find exact Audi Fuel Rail you need in our huge stock at AudiPartsGiant.com. You'll love our low, economical prices too. Every OEM part carries a real manufacturer's warranty, so you can buy with confidence. Returns aren't a headache here because our policy is simple. Plus, our speedy delivery gets orders out fast. Shop today and buy with total peace of mind.

Audi Fuel Rail Parts and Q&A

Fuel Rail
06B-133-317-AF
Q: How to remove and replace fuel injectors and fuel rails on Audi A4?
A:
First of all, defuel the system and remove the cable to the negative battery terminal. On 1.8L four-cylinder and 3.0L V6 engines, disassemble the engine cover, wrap a rag around the fitting of the fuel supply line, and disconnect it, depending on the model year, as the fuel systems were different. Disconnect the electrical connector on four-cylinder models to the CMP sensor and the fuel injectors and on V6 models to the intake manifold change-over valve and fuel injectors. Unscrew the fuel rail mounting screwdriver, and hold the fuel rail on one hand and pull the injectors out with the other. Take off and dispose old injector O-rings, and replace even when only one injector was removed. To install, apply clean engine oil to new O-rings, install injectors in the fuel rail and hold them retainer clips. Fit the assemblies of the fuel rails onto the intake manifold, screw the fittings, and rejoin the battery. Switch on the fuel pump to pressurize and test leakages. To do it to 2.0L four-cylinder models, remove the engine cover, unscrew the intake duct and deconnect the fuel supply line fitting and plugging the open lines. Unscrew all electrical connectors and hoses at the intake manifold, loosen clamped brackets that hold coolant pipes, and, where required, empty coolant to loosen up radiator hose. Disconnect the intake manifold support bracket and the fuel pressure sensor, remove the dipstick and high-pressure fuel line fittings. Take out the intake manifold and the fuel rail as one unit, getting rid of the old gasket. To withdraw fuel injectors disengage radial compensator tabs and extract injector checking radial compensator and support ring condition. Take out the old sealing rings and check the uppermost spacer ring. Dismantle the intake manifold, (as required), withdrawing EVAP line fixtures, fuel line clamping, and intake flap motor. The process of reassembly goes in reverse of the disassembly. To assemble injectors again clean injector grooves, apply new Teflon seals with special tools or a socket assembly, apply spacer ring and O-ring. Fit injectors into the cylinder head making sure that they are completely installed. Replace the gasket on the intake manifold, then screw the manifold and fuel rail assembly in place, making sure that all the fasteners are aligned and tightened. In the case of 3.2L V6, pull up the engine cover and the upper intake manifold, detach the fuel supply line fitting, and pull out the fuel line bracket screws. Unscrew electrical connector on the intake manifold runners position sensor and fuel pressure sensor, then un screw the bottom intake manifold and fuel rails in one piece. Get rid of the old gasket, stuff the holes on the intake port and take off the working area. When injectors are stuck, a special puller may be used or the method described above. Take off the fuel rail retaining bracket fasteners, install all injector seals and install the support ring and radial compensator. Install the injector bores, the fuel injectors, reconnect the fuel rails, and the bottom manifold with a new gasket, and fasten the assembly in a crisscross pattern.