Porsche 911 Carrera Convertible Top Hydraulic Rebuild Service

Carrera Ram Rebuild Service

Cabriolet Hydraulics offers a ram/cylinder rebuild service for your 1999-2013 Porsche 911 Carrera 996/997 convertible top hydraulics. We believe that we have the best Porsche Ram Rebuild Service available on the market.

Our Porsche 911 hydraulic top rams consist of:

• Upgraded internal seals
• New replacement rod/guide bushings
• New seals at the swivel hose connections
• Hose retaining clips to secure hose connections after replacing swivel seals
• Refinished cylinder rods to provide optimal sealing surface

For an additional cost, we offer new high-strength replacement hoses.

Rebuild service includes the following cylinder part numbers: 99756194502, 99656104501, 99656194500, 99756194500, 99756194501, 99656194501, 99656194502, and 99656104601

Important Note: The Porsche 911 has two hydraulic rams that power the convertible top roof. We highly recommend rebuilding both original cylinders at the same time, since the life span of the seals is predictably similar. See inspection and removal instructions.

Do not unscrew the guide and drive pins from your cylinders. Leave them in place. Removing them may break the pins and result in extra charges to repair the damaged parts.

All Cabriolet Hydraulics rebuilt rams ship ready for installation and include the following:

• Two rebuilt Porsche 911 hydraulic top rams, pre-filled with hydraulic fluid and pre-positioned for quick installation.
• A new set of copper banjo line seals for attaching the hose connectors to the pump.
• A bottle of hydraulic fluid and dispenser cap to fill the pump reservoir.
• Cylinder installation guide for 911 cylinders rebuilt by Cabriolet Hydraulics.

Our documented installation method eliminates the need for cumbersome hydraulic fluid reservoir refilling during purging.

New Porsche 911 Cabriolet Hoses

Cabriolet Hydraulics also manufactures new hoses for Porsche 911 convertible cylinders. Original cylinders, and even newer factory replacement cylinders, have hoses that are prone to cracking and leaking.

Our new replacement hoses are made in the USA with European-sourced hose material. We are confident that our rebuilt cylinders with new hoses will outlast OEM replacement cylinders for a fraction of the cost.

Factory Installed Cylinders and Hose Length Info:

Your original 996 or 997 factory-installed cylinders have specific hose lengths based on pump location, which changed over the years. When you purchase a replacement cylinder from Porsche, you will get a cylinder with long hoses, which will accommodate left and right side fitments covering all the years (1999-2013), AKA universal fitment. In most installations, the right side hoses will have to be looped in order to take up the extra slack when you purchase replacement cylinders from Porsche.

Cabriolet Hydraulics can provide new hoses that are made to the specific length as they were when your 911 Cabriolet left the factory, or we can also provide hoses for universal fitment. The choice is yours. In-house hose manufacturing gives us the flexibility to make the hoses based on the specific application, resulting in a better fit.

Preparing Cylinders for Shipping

It’s important to drain, wrap, and pack your cylinder(s) properly to protect them from damage that can occur in shipping.

For each cylinder:

• Thoroughly drain fluid.
• Push cylinder shaft completely to one end.
• Leave pins in place.
• Wrap exposed cylinder shaft with bubble wrap, foam, or other materials to protect it from damage.
• Cover line ends with small plastic bags secured with twist ties, zip ties, or tape.
• Wrap each cylinder individually before placing in shipping box.
• Add enough space-filler to shipping box to prevent shifting and tumbling.
• Seal box properly.

Shipments to customers outside the United States do not include complimentary fluid. We will enclose an empty bottle to make filling the hydraulic pump reservoir easier using your own fluid. Fluid options include:

ZH-M Hydraulic Fluid
Mercedes P/N 000-989-91-03-09
Febi P/N 00098910310

Shipping Instructions

• Make sure to pack and ship your parts in a sturdy, well-padded box.
• Fill out our Customer Information Sheet and put it inside the box with your parts.
• We recommend adding additional shipping insurance to cover for loss or damage.
• Make sure that you get a tracking number for your shipment, so you know when we receive your package.
• You won’t hear from us when we receive your package unless there is a problem. If there is damage or if any parts are missing, we’ll call you before we start the rebuild to let you know what we’re seeing and discuss any additional repair costs. Otherwise, the first that you’ll hear from us is when the rebuild is complete, and we call to collect credit card payment.

Ship Cylinders To:
Cabriolet Hydraulics
2111 72nd Terrace E
Sarasota, FL 34243

Warranty

Our cylinder and pump rebuild carries a 3-year warranty. If a cylinder or pump fails within the 3-year warranty period, we will repair the cylinder or pump at no charge. Damages not covered by the warranty: Hydraulic cylinder, pump and/or line (where applicable) damage caused by mishandling, improper installation, malfunctioning convertible top system components and corrosion.

Important Note: Warranties do not include the labor to remove or install parts or shipping costs.