Rear Brake caliper what are the size of the Guide Pins?

Question edited for clarity.
Question moved to model category.

6 diagrams of all the parts

https://parts.thomascdj.com/v-2005-chrysler-town-and-country--base--3-3l-v6-gas/service-brakes--brake-lines-and-hoses

https://www.google.com/search?q=chrysler+town+and+country+brake+system+diagram

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Caliper mounting bracket bolts 125 ft, Caliper guide pins/bolts 26 ft, Brake hose to caliper 35 ft. Wheel lug nuts 100 ft. Wheel speed sensor 115in lbs*** This is for disc rear brakes Teves system. You do know that the rear disc is a Rotor/Drum. The parking brake shoes ride on the inside.

look in between the slot in the rim and look to see if there is a brake rotow or a flat drum or u may look under the back wheel to see if it has a caliper attached to the axle

to remove the rear brake pads you must first remove the caliper slides bolts and compress the caliper pistons them the caliper will remove easily

Removal & Installation

1. Before servicing the vehicle, refer to the Precautions section.
   
2. Remove or disconnect the following:
   
   • Negative battery cable
     
   • Front wheels
     
3. Place a C-clamp over the caliper as illustrated, place a screw drive head against the outboard pad and hook against the rear of the caliper. Slowly tighten the screw drive and retract the caliper pistons into their bores and breaking the outboard brake pad from the caliper fingers.
   
4. Once the pad is free, slide the caliper in on the guides to provide clearance between the rotor and inboard pad.
   
5. Place an appropriate prytool through the center opening in the top of the caliper behind the inboard pad between the pistons using care not to contact the piston boots. Pry the pad to free it from the pistons.
   
6. Remove the two caliper guide pin bolts and position the caliper aside. Remove the brake pads.
   

Place a C-clamp over the caliper as illustrated


View of the caliper guide pins and boots (1), anti-rattle clips (2), brake rotor (3), outboard pad (4), caliper adapter (5) and inboard pad (6)

To install:

1. Completely compress the caliper pistons
   
2. Install or connect the following:
   
   • Brake pads with anti-rattle clips onto the adapter
     
   • Caliper and align the guide pin bolt holes with the guide pins. Install the pin bolts and tighten to 32 ft. lbs. (43 Nm).
     
   • Banjo bolt with new washers on each side of the hose fitting and tighten to 35 ft. lbs. (47 Nm)
     
   • Wheels
     
   • Negative battery cable
     
3. Check and adjust the brake system fluid level and road test the vehicle.
   

PLEASE DON'T FORGET TO RATE!!!!

Removal & Installation

1. Before servicing the vehicle, refer to the Precautions section.
   
2. Remove or disconnect the following:
   
   • Negative battery cable
     
   • Front wheels
     
3. Place a C-clamp over the caliper as illustrated, place a screw drive head against the outboard pad and hook against the rear of the caliper. Slowly tighten the screw drive and retract the caliper pistons into their bores and breaking the outboard brake pad from the caliper fingers.
   
4. Once the pad is free, slide the caliper in on the guides to provide clearance between the rotor and inboard pad.
   
5. Place an appropriate prytool through the center opening in the top of the caliper behind the inboard pad between the pistons using care not to contact the piston boots. Pry the pad to free it from the pistons.
   
6. Remove the two caliper guide pin bolts and position the caliper aside. Remove the brake pads.
   

Place a C-clamp over the caliper as illustrated


View of the caliper guide pins and boots (1), anti-rattle clips (2), brake rotor (3), outboard pad (4), caliper adapter (5) and inboard pad (6)

To install:

1. Completely compress the caliper pistons
   
2. Install or connect the following:
   
   • Brake pads with anti-rattle clips onto the adapter
     
   • Caliper and align the guide pin bolt holes with the guide pins. Install the pin bolts and tighten to 32 ft. lbs. (43 Nm).
     
   • Banjo bolt with new washers on each side of the hose fitting and tighten to 35 ft. lbs. (47 Nm)
     
   • Wheels
     
   • Negative battery cable
     
3. Check and adjust the brake system fluid level and road test the vehicle.
   

I just finished doing the rears on my 2005 T&C. The caliper pins need to be removed with a 7mm allen wrench. I used an allen socket for a 3/8" ratchet, which was much easier than using my wrenches. These pins are threaded and cannot be "tapped" out as said by someone else.

When you replace them, make sure you have some high temp grease to put on them and check the pin rubber boots to make sure that they are not cracked or damaged. Good luck!.

For a wrench or for the acctual bolt size.
To remove front pads..you need 8mm allen socket to pull the caliper guide pins, then 17 or 18mm..To remove rear pads...you need 13mm socket for lock bolt on guide pins and 15mm open end wrench (thin section to hold guide pin while you remove lock bolts..I ground down a spare wrench). You DO NOT have to remove rear carriers to change rotors..just remove lock screw and angle rotor out. The B5 Passats don't have the electronic parking brake so you don't need VAG Com to change pads.
Installation tips:
Clean and regrease the guide pins with "synthetic caliper grease"
Rear lock bolts come with preapplied thread locker and "are not to be reused"..I just wire brush the threads and use some Loctite Blue on em. I smear just a little antisieze on the inside bore of the rotors and on the lock screw threads to prevent corrosion and make next rotor change ez. Torques:
Front caliper guide pins:18 ft lb
Front carrier bolts: 89 ft lb
Rear guide pin lock bolts:26 ft lb
Wheel lugs: 89 ft lb

1. Disconnect the brake hose.
2. Remove bolt.
3. Disconnect the rear wheel brake hose (2A442).
4. Remove the copper washers and plug the brake hose.
Disconnect the brake hose.
1. Remove bolt.
1. Disconnect the rear wheel brake hose (2A442).
1. Remove the copper washers and plug the brake hose.
1. CAUTION: Do not remove the guide pins or guide pin boots unless a problem is suspected. The guide pins are meant to be sealed for life and are not repairable. Use Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A331-A (Motorcraft WA-10) or an equivalent silicone compound meeting Ford specification ESE-M1C171-A for re-lubing the caliper slide pins. Other greases can swell the guide pin boots, resulting in contamination and accelerated corrosion or wear of the caliper slide pin mechanism.
   Remove the rear disc brake caliper (2552).
   1. Remove the brake caliper bolts (2W303).
   1. Lift the rear disc brake caliper off the rear disc brake caliper anchor plate (2C220).
1. Inspect the rear disc brake caliper for leaks.
   • If leaks are found, disassembly is required. Refer to Caliper in this section.
Installation

1. CAUTION: To prevent interference with rear disc brake caliper operation, install only the correct caliper bolt.
   NOTE: Make sure the stainless steel shoe slippers are correctly positioned. Install new slippers if worn or damaged.
   NOTE: When installed, the locator notch on the brake pads will be located at the upper end of the rear disc brake caliper.
   Install the rear disc brake caliper.
1. Install the rear wheel brake hose.
   • Connect the brake hose and install the caliper flow bolt.
     • Use new copper washers.
1. Bleed the disc brake caliper. For additional information, refer to Section 206-00 .
1. NOTE: If equipped with air suspension, reactivate the system by turning on the air suspension switch.
   Install the wheel and tire assembly. For additional information, refer to Section 204-04 .
1. Verify correct brake operation.
5. CAUTION: Do not remove the guide pins or guide pin boots unless a problem is suspected. The guide pins are meant to be sealed for life and are not repairable. Use Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A331-A (Motorcraft WA-10) or an equivalent silicone compound meeting Ford specification ESE-M1C171-A for re-lubing the caliper slide pins. Other greases can swell the guide pin boots, resulting in contamination and accelerated corrosion or wear of the caliper slide pin mechanism.
   Remove the rear disc brake caliper (2552).
   1. Remove the brake caliper bolts (2W303).
   1. Lift the rear disc brake caliper off the rear disc brake caliper anchor plate (2C220).

1. Inspect the rear disc brake caliper for leaks.
• If leaks are found, disassembly is required. Refer to Caliper in this section.

Disc Removal

1. NOTE: When removing the rear brake disc (2C026) in this procedure it is not necessary to disconnect the hydraulic lines.
   Remove the rear disc brake caliper (2552). For additional information, refer to Caliper in this section.

1. NOTE: If the rear brake disc binds on the rear parking brake shoe and linings, remove the adjustment hole access plug and contract the parking brake shoe and lining.
   Remove the rear brake disc.

1. CAUTION: Use a hub-mount brake lathe if necessary to machine the rear brake disc.
   Measure the rear brake disc, and resurface as necessary. Install a new rear brake disc if beyond specification.

--------------------------------
Installation

1. CAUTION: To prevent interference with rear disc brake caliper operation, install only the correct caliper bolt.
   NOTE: Make sure the stainless steel shoe slippers are correctly positioned. Install new slippers if worn or damaged.
   NOTE: When installed, the locator notch on the brake pads will be located at the upper end of the rear disc brake caliper.
   Install the rear disc brake caliper.

1. Install the rear wheel brake hose.
   • Connect the brake hose and install the caliper flow bolt.
     • Use new copper washers.

1. Bleed the disc brake caliper. For additional information, refer to Section 206-00 .

1. NOTE: If equipped with air suspension, reactivate the system by turning on the air suspension switch.
   Install the wheel and tire assembly. For additional information, refer to Section 204-04 .

1. Verify correct brake operation.

Better late than never, right?
According to Haynes 30013: "Dodge Carvan, Chrysler Voyager & Town and Country, 2003 through 2006" Repair Manual:
Caliper Guide Pins or Guide Pin Bolts - 26 Ft-lbs