How to remove the piston and connecting rod assemblies on Mercury Grand Marquis?

Before the piston and connecting rod assemblies can be removed, the cylinder heads, oil pan and oil pump have to be taken off on 5.0L engines depending on the type of engine that will be overhauled. First, look for any sharp edges at the extremes of ring travel, the ring travel and those should be gotten rid of by use of a reamer before you attempt to remove the piston and connecting rod assemblies since tearing of the pistons may occur. After that level off the ridges turn the engine upside down in such a way that the crankshaft is on the top. Measure the endplay of the connecting rods with the help of dial indicator or feeler gauges; if the endplay of the rods is more than the service limit specified, then it may be necessary to fit new connecting rods. Label the connecting rods and caps to distinguish them from one another; alternatively, back off the cap nuts the last half turn before they are ready to come off. Withdraw the connecting rod cap together with the bearing insert-be careful not to let the bearing insert fall. When the connecting rod has studs with nuts, it is advisable to cover the crankshaft journal and cylinder wall with plastic or rubber hose in order to remove the piston. Force the complete connecting rod and piston assembly out through the top of the engine by means of a wooden or plastic hammer handle respectively , and make sure that all ridges are got rid of. Proceed in the same manner for each of the other cylinders which are also present in the apparatus. Upon removal, align and replace the connecting rod caps and bearing inserts back into the rightful rods fastening the cap nuts loosely so as not to harm the bearing of the rod . As it will cause difficulty in reassembly of the pistons with the connecting rods retain the two as a single unit.

Genuine Mercury Grand Marquis Piston

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Mercury Grand Marquis Piston
Part Number: E9TZ-6108-DB
$19.28 MSRP: $26.34
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Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1985-1989 Mercury Grand Marquis | 8 Cyl 5.0L, 8 Cyl 5.8L | 4AT AOD
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Mercury Grand Marquis Piston
Part Number: F3AZ-6108-CB
$21.81 MSRP: $29.81
You Save: $8.00 (27%)
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Product Specifications
- Manufacturer Note: .50mm/.020" oversize
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1994 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT, 4AT AOD, 4AT AODE
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Mercury Grand Marquis Piston And Pin Assembly
Part Number: 8L2Z-6108-E
$47.24 MSRP: $58.67
You Save: $11.43 (20%)
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Product Specifications
- Other Name: Piston And Pin Assy; Piston
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Grand Marquis | 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Grand Marquis Piston And Pin Assembly
Part Number: 2L2Z-6108-HA
$21.97 MSRP: $30.52
You Save: $8.55 (29%)
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Product Specifications
- Other Name: Piston And Pin Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
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Mercury Grand Marquis Piston & Pin Assembly
Part Number: F2ZZ6108DB
$27.08 MSRP: $37.62
You Save: $10.54 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Piston And Pin Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1986-1989 Mercury Grand Marquis | 8 Cyl 5.0L, 8 Cyl 5.8L | 4AT AOD
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Mercury Grand Marquis Piston
Part Number: 2C5Z-6108-BB
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2006 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
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Mercury Grand Marquis Piston And Pin Assembly
Part Number: F8AZ-6108-BA
Product Specifications
- Other Name: Piston And Pin Assy; Piston
- Replaced by: 8L2Z-6108-G
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2000 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
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Mercury Grand Marquis Piston And Pin Assembly
Part Number: 1L2Z-6108-BA
Product Specifications
- Other Name: Piston And Pin Assy
- Replaced by: 8L2Z-6108-G
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2002 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
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Mercury Grand Marquis Piston And Pin Assembly
Part Number: F5AZ-6108-BA
Product Specifications
- Other Name: Piston And Pin Assy
- Replaced by: 8L2Z-6108-G
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1995-1997 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AODE
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Mercury Grand Marquis Piston And Connecting Rod Assy
Part Number: 2L2Z-6100-AA
Product Specifications
- Replaced by: 7L2Z-6100-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2003 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Piston And Pin Assembly
Part Number: 1L2Z-6108-AA
Product Specifications
- Other Name: Piston And Pin Assy; Piston
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2002 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Piston
Part Number: 2C3Z-6108-CB
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2006 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
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Mercury Grand Marquis Piston
Part Number: 2C5Z-6108-AB
Product Specifications
- Replaces: XR3Z-6108-HA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2006 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Piston And Pin Assembly
Part Number: 2L2Z-6108-FA
Product Specifications
- Other Name: Piston And Pin Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2011 Mercury Grand Marquis | 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI | 4AT 4R70W, 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Grand Marquis Piston And Pin Assembly
Part Number: 2L2Z-6108-GA
Product Specifications
- Other Name: Piston And Pin Assy
- Replaced by: 8L2Z-6108-F
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2006 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Piston And Pin Assembly
Part Number: 2L2Z-6108-JA
Product Specifications
- Other Name: Piston And Pin Assy; Piston
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003 Mercury Grand Marquis | 8 Cyl 4.6L | 4AT 4R70W
View related parts
Mercury Grand Marquis Piston And Pin Assembly
Part Number: 2L2Z-6108-MA
Product Specifications
- Other Name: Piston And Pin Assy; Piston
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2011 Mercury Grand Marquis | 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI | 4AT 4R70W, 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Grand Marquis Piston And Pin Assembly
Part Number: 2L2Z-6108-NA
Product Specifications
- Other Name: Piston And Pin Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2008 Mercury Grand Marquis | 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI | 4AT 4R70W, 4-Speed Automatic Transmission 4R75E Livonia, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Grand Marquis Piston
Part Number: 8L2Z-6108-F
Product Specifications
- Replaces: 2L2Z-6108-GA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2011 Mercury Grand Marquis | 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI | 4-Speed Automatic Transmission 4R75E Livonia, 4AT 4R70W, Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
View related parts
Mercury Grand Marquis Piston
Part Number: E6TZ-6108-FB
Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1980-1985 Mercury Grand Marquis | 8 Cyl 4.2L, 8 Cyl 5.0L, 8 Cyl 5.8L | 3AT, 3AT C4, 3AT C6, 4AT AOD

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Mercury Grand Marquis Piston

We provide a wide range of Mercury Grand Marquis Piston at the best prices possible. If you need Mercury Grand Marquis Piston, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your door step with a fast delivery service.

Mercury Grand Marquis Piston Parts Questions & Experts Answers

Piston
2C5Z-6108-BB
Q: How to remove the piston and connecting rod assemblies on Mercury Grand Marquis?
A:
Before the piston and connecting rod assemblies can be removed, the cylinder heads, oil pan and oil pump have to be taken off on 5.0L engines depending on the type of engine that will be overhauled. First, look for any sharp edges at the extremes of ring travel, the ring travel and those should be gotten rid of by use of a reamer before you attempt to remove the piston and connecting rod assemblies since tearing of the pistons may occur. After that level off the ridges turn the engine upside down in such a way that the Crankshaft is on the top. Measure the endplay of the connecting rods with the help of dial indicator or feeler gauges; if the endplay of the rods is more than the service limit specified, then it may be necessary to fit new connecting rods. Label the connecting rods and caps to distinguish them from one another; alternatively, back off the cap nuts the last half turn before they are ready to come off. Withdraw the connecting rod cap together with the bearing insert-be careful not to let the bearing insert fall. When the connecting rod has studs with nuts, it is advisable to cover the crankshaft journal and cylinder wall with plastic or rubber hose in order to remove the piston. Force the complete connecting rod and piston assembly out through the top of the engine by means of a wooden or plastic hammer handle respectively , and make sure that all ridges are got rid of. Proceed in the same manner for each of the other cylinders which are also present in the apparatus. Upon removal, align and replace the connecting rod caps and bearing inserts back into the rightful rods fastening the cap nuts loosely so as not to harm the bearing of the rod . As it will cause difficulty in reassembly of the pistons with the connecting rods retain the two as a single unit.