How to check and adjust exhaust valve and intake valve clearance on Lincoln LS?

The inspection of valve clearance begins when the valve covers along with the spark plugs get removed from the engine. Measure all valve clearances while the camshaft reaches the base circle position by rotating the engine using the crankshaft pulley bolt. All valve clearances need to be measured before adjusting those which exceed the specifications. The first step for valve clearance adjustment requires timing chains removal followed by base circle measurement of all valves before camshaft extraction. Shims cannot be repaired while the camshafts stay in position. A feeler gauge should be used to measure valve clearances which should be recorded with their corresponding positions. After camshaft extraction one must note that shims display thickness markings (such as 2.22 mm indicated by 222 on labels). The adjusted shims need to provide an intake valve clearance range from 0.18 to 0.22 mm (0.00709 to 0.00866 inches). Additionally the outcome should be 0.33 to 0.38 mm (0.0128 to 0.0148 inches) for exhaust valve clearance at midrange the most ideal ranges are 0.20 mm (0.00787 inch) for intake and 0.35 mm (0.014 inch) for exhaust. To select shims use the following formula: required thickness equals current measurement and base thickness minus desired result. Also mark where to place the shims. The new camshaft installation process requires shims placement followed by camshaft mounting and machining between valve intervals followed by timing chain installation.

What are the general procedures for Exhaust Valve and Intake Valve service and repair on Lincoln Town Car?

General valve maintenance follows a process of component inspection alongside cleaning for the crankshaft and crankshaft bearings and the camshaft and crankshaft bearings and cylinder head as well as valve train parts (valves, seats, and springs) and the piston, piston pin, connecting rod and cylinder block and bore. The disassembly process of subassemblies concentrates on the replacement of cylinder head assemblies and the piston assemblies including the piston pin and connecting rod units. Portions of assembly and disassembly of the engine form part of engine service and repair operations. Lacking separate service instructions from the manufacturer for an internal engine component would mean the company did not supply them; the available service information resides within engine service and repair literature.

OEM Lincoln Exhaust Valve

Exhaust Muffler Valve

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19 Exhaust Valves found

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Lincoln Exhaust Valve Part Number: FT4Z-6505-B
$77.67 MSRP: $119.53
You Save: $41.86 (36%)
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Product Specifications
- Other Name: Valve - Exhaust
- Replaces: FT4Z-6505-A
Fits the following Lincoln Models:
- Continental | 2017-2020 | Black Label, Reserve, Select | 6 Cyl 2.7 L GAS
- MKX | 2016-2018 | Black Label, Premiere, Reserve, Select | 6 Cyl 2.7 L GAS
- MKZ | 2017-2019 | Black Label, Reserve, Reserve II, Select | 6 Cyl 3.0 L GAS
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Lincoln Exhaust Valve Part Number: AA5Z-6505-A
$57.56 MSRP: $83.78
You Save: $26.22 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve - Exhaust
Fits the following Lincoln Models:
- MKS | 2010-2016 | EcoBoost | 6 Cyl 3.5 L GAS
- MKT | 2010-2019 | Base, EcoBoost, Reserve | 6 Cyl 3.5 L GAS
- Navigator | 2015-2017 | Base, L, L Reserve, L Select, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Exhaust Valve Part Number: 9S4Z-6505-A
$15.87 MSRP: $23.10
You Save: $7.23 (32%)
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Product Specifications
- Other Name: Valve - Exhaust
- Manufacturer Note: Ø 30MM
- Replaces: 1S7Z-6505-AA, 1S7Z-6505-A, 3S4Z-6505-AA, 9E5Z-6505-A, 8E5Z-6505-A
Fits the following Lincoln Models:
- Corsair | 2021-2023 | Grand Touring | 4 Cyl 2.5 L PLUG-IN HYBRID EV-GAS (PHEV)
- MKZ | 2011-2020 | Black Label Hybrid, Hybrid, Premiere Hybrid, Reserve Hybrid, Reserve I Hybrid, Reserve II Hybrid, Select Hybrid | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Lincoln Exhaust Valve Part Number: F3LY-6505-A
$30.67 MSRP: $43.50
You Save: $12.83 (30%)
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Product Specifications
- Other Name: Valve - Exhaust; Intake Valve; Valves
Fits the following Lincoln Models:
- Aviator | 2003-2005 | Base | 8 Cyl 4.6 L GAS
- Blackwood | 2002 | Base | 8 Cyl 5.4 L GAS
- Continental | 1995-2002 | Anniversary, Base, Diamond Anniversary, Signature, Spinnaker Edition | 8 Cyl 4.6 L GAS
- Navigator | 1999-2004 | Base | 8 Cyl 5.4 L GAS
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Lincoln Exhaust Valve Part Number: EJ7Z-6505-A
$26.37 MSRP: $37.40
You Save: $11.03 (30%)
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Product Specifications
- Other Name: Valve - Exhaust
Fits the following Lincoln Models:
- Corsair | 2020-2023 | Base, Reserve | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
- MKC | 2015-2019 | Base, Black Label, Reserve, Select | 4 Cyl 2.3 L GAS
- MKZ | 2017-2020 | Base, Black Label, Premiere, Reserve, Reserve I, Reserve II, Select | 4 Cyl 2.0 L GAS
- Nautilus | 2019-2023 | Base, Black Label, Reserve, Select | 4 Cyl 2.0 L GAS
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Lincoln Exhaust Valve Part Number: AT4Z-6505-A
$18.77 MSRP: $27.32
You Save: $8.55 (32%)
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Product Specifications
- Other Name: Valve - Exhaust
- Replaces: 7T4Z-6505-A
Fits the following Lincoln Models:
- Continental | 2017-2020 | Base, Livery, Premiere, Select | 6 Cyl 3.7 L GAS
- MKS | 2009-2016 | Base | 6 Cyl 3.7 L GAS
- MKT | 2010-2019 | Base, Livery, Premiere | 6 Cyl 3.7 L GAS
- MKX | 2007-2018 | Base, Black Label, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- MKZ | 2013-2016, 2007-2009 | Base, Black Label | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
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Lincoln Exhaust Valve Part Number: AG9Z-6505-A
$34.51 MSRP: $48.95
You Save: $14.44 (30%)
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Product Specifications
- Other Name: Valve - Exhaust
Fits the following Lincoln Models:
- MKC | 2015-2019 | Base, Black Label, Premiere, Reserve, Select | 4 Cyl 2.0 L GAS
- MKT | 2013-2016 | Base | 4 Cyl 2.0 L GAS
- MKZ | 2013-2016 | Base, Black Label | 4 Cyl 2.0 L GAS
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Lincoln Exhaust Valve Part Number: 5L1Z-6505-B
$17.38 MSRP: $25.30
You Save: $7.92 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve - Exhaust; Intake Valve; Valves
- Replaces: 5L1Z-6505-A, 5L1Z-6505-BA
Fits the following Lincoln Models:
- Mark LT | 2006-2008 | Base | 8 Cyl 5.4 L GAS
- Navigator | 2007-2014 | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Lincoln Exhaust Valve Part Number: 4C3Z-6505-A
$69.90 MSRP: $101.75
You Save: $31.85 (32%)
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Product Specifications
- Other Name: Valve - Exhaust; Intake Valve; Valves
- Manufacturer Note: VALVE, EXH
- Replaces: 4C3Z-6505-AA
Fits the following Lincoln Models:
- Navigator | 2005-2006 | Base, Luxury, Ultimate | 8 Cyl 5.4 L GAS
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Lincoln Exhaust Valve Part Number: KT4Z-6505-A
$24.21 MSRP: $34.33
You Save: $10.12 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve - Exhaust
- Replaced by: KT4Z-6505-B
Fits the following Lincoln Models:
- Nautilus | 2019-2023 | Black Label, Reserve, Select | 6 Cyl 2.7 L GAS
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Lincoln Exhaust Valve Part Number: GB8Z-6505-A
$36.58 MSRP: $52.33
You Save: $15.75 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Valve - Exhaust
- Replaced by: GB8Z-6505-D
Fits the following Lincoln Models:
- Aviator | 2020-2023 | Base, Black Label, Black Label Grand Touring, Grand Touring, Livery, Reserve | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- Continental | 2017-2020 | 80th Anniversary Coach Door Edition, Black Label, Coach Door Edition, Reserve | 6 Cyl 3.0 L GAS
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Lincoln Exhaust Valve Part Number: 7L8Z-6505-A
$27.58 MSRP: $40.15
You Save: $12.57 (32%)
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Product Specifications
- Other Name: Valve - Exhaust
- Replaces: F6DZ-6505-A
Fits the following Lincoln Models:
- Zephyr | 2006 | Base | 6 Cyl 3.0 L GAS
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Lincoln Exhaust Valve Part Number: HL3Z-6505-D
$27.60 MSRP: $41.07
You Save: $13.47 (33%)
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Product Specifications
- Other Name: Valve - Exhaust
- Replaces: HL3Z-6505-C, HL3Z-6505-A, HL3Z-6505-B
Fits the following Lincoln Models:
- Navigator | 2018-2023 | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Exhaust Valve Part Number: F1AZ-6505-A
$16.78 MSRP: $22.84
You Save: $6.06 (27%)
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Product Specifications
- Other Name: Valve - Exhaust; Intake Valve; Valves
- Replaces: F75Z-6505-AA
Fits the following Lincoln Models:
- Navigator | 1998-2002 | Base | 8 Cyl 5.4 L GAS
- Town Car | 1991-2002 | Anniversary, Base, Cartier, Cartier L, Cypress, Executive, Executive L, Jack Nicklaus, Signature, Touring Edition, Tournament Edition | 8 Cyl 4.6 L GAS
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Lincoln Valves Part Number: 6W7Z-6505-BA
$57.29 MSRP: $88.00
You Save: $30.71 (35%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Valve - Exhaust; Exhaust Valve; Intake Valve
- Manufacturer Note: STD.
Fits the following Lincoln Models:
- Town Car | 2007-2011 | Designer Series, Executive, Executive L, Signature, Signature L, Signature Limited | 8 Cyl 4.6 L FLEX
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Lincoln Exhaust Valve Part Number: XL3Z-6505-AA
$71.79 MSRP: $104.50
You Save: $32.71 (32%)
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Product Specifications
- Other Name: Valve - Exhaust; Intake Valve; Valves
Fits the following Lincoln Models:
- Navigator | 2003-2004 | Base | 8 Cyl 5.4 L GAS
- Town Car | 2003-2008 | Cartier, Cartier L, Designer Series, Executive, Executive L, Executive Protection Series, Protection Series, Signature, Signature L, Signature Limited, Ultimate, Ultimate L | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Lincoln Exhaust Valve Part Number: XW4Z-6505-AA
Product Specifications
- Other Name: Valve - Exhaust
Fits the following Lincoln Models:
- LS | 2000-2006 | Base, LSE, Sport, Ultimate | 8 Cyl 3.9 L GAS
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Lincoln Exhaust Valve Part Number: E4AZ6505A
Product Specifications
- Other Name: Valve Exhaust; Intake Valve; Valves; Valve - Exhaust
Fits the following Lincoln Models:
- Continental | 1984-1985 | Base, Givenchy, Valentino | 8 Cyl 5.0 L GAS
- Mark VII | 1990-1992, 1984-1985 | Base, Bill Blass, LSC, Versace | 8 Cyl 5.0 L GAS
- Town Car | 1984-1985 | Base, Cartier, Signature | 8 Cyl 5.0 L GAS
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Lincoln Exhaust Valve Part Number: 1W4Z-6505-AA
Product Specifications
- Other Name: Valve - Exhaust
Fits the following Lincoln Models:
- LS | 2000-2005 | Appearance, Base, LSE, Luxury, Premium | 6 Cyl 3.0 L GAS

Lincoln Exhaust Valve

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Lincoln Exhaust Valve Parts and Q&A

Exhaust Valve
XW4Z-6505-AA
Q: How to check and adjust exhaust valve and intake valve clearance on Lincoln LS?
A:
The inspection of valve clearance begins when the valve covers along with the spark plugs get removed from the engine. Measure all valve clearances while the camshaft reaches the base circle position by rotating the engine using the crankshaft pulley bolt. All valve clearances need to be measured before adjusting those which exceed the specifications. The first step for valve clearance adjustment requires timing chains removal followed by base circle measurement of all valves before camshaft extraction. Shims cannot be repaired while the camshafts stay in position. A feeler gauge should be used to measure valve clearances which should be recorded with their corresponding positions. After camshaft extraction one must note that shims display thickness markings (such as 2.22 mm indicated by 222 on labels). The adjusted shims need to provide an intake valve clearance range from 0.18 to 0.22 mm (0.00709 to 0.00866 inches). Additionally the outcome should be 0.33 to 0.38 mm (0.0128 to 0.0148 inches) for exhaust valve clearance at midrange the most ideal ranges are 0.20 mm (0.00787 inch) for intake and 0.35 mm (0.014 inch) for exhaust. To select shims use the following formula: required thickness equals current measurement and base thickness minus desired result. Also mark where to place the shims. The new camshaft installation process requires shims placement followed by camshaft mounting and machining between valve intervals followed by timing chain installation.
Exhaust Valve
F1AZ-6505-A
Q: What are the general procedures for Exhaust Valve and Intake Valve service and repair on Lincoln Town Car?
A:
General valve maintenance follows a process of component inspection alongside cleaning for the crankshaft and crankshaft bearings and the camshaft and crankshaft bearings and cylinder head as well as valve train parts (valves, seats, and springs) and the piston, piston pin, connecting rod and cylinder block and bore. The disassembly process of subassemblies concentrates on the replacement of cylinder head assemblies and the piston assemblies including the piston pin and connecting rod units. Portions of assembly and disassembly of the engine form part of engine service and repair operations. Lacking separate service instructions from the manufacturer for an internal engine component would mean the company did not supply them; the available service information resides within engine service and repair literature.