Replacing Fuel Lines

Ryan Holcombe

Oct 6, 2023 — 1 min read

There is an excellent article about replacing the fuel lines for a Porsche 928 (link). The article goes into detail on how to replace the hose section and re-use the connectors. After reading about a dozen articles about the 944 and fires I decided to begin the journey to replace all fuel hoses.

The first step in replacing the fuel hoses is to cut through the ferrule which holds the hose to the connectors. I accomplished this using a dremel tool with a cutting disk. It shot out a considerable amount of sparks, so be sure to do this away from any fuel vapors.

The original fuel line has an ID of 10mm, but it's much easier to find fuel hose in inches so I went 3/8" SAE 30R9 rated hose (link). I cut the hose to the exact same length as the original and then attached the connectors using fuel injection hose rated clamps. It's ready to be re-installed.

CV Axle Rebuild/Regrease

I inspected the CV axles and noticed the grease was very sparse and almost hard to the touch. I decided to regrease them using a CV axle boot kit. The kit includes a boot, grease, and a snap ring. The axles were very dirty, so the first step was to

Engine Disassembly

It took me a while, but I finally disassembled the engine. I plan on sending the block, head, and crankshaft to a machine shop. Hopefully it won't need any major repair. Bores honed, crankshaft polished, and cylinder head rebuilt. Parts Removed * Cam Tower * Head * Belts and Rollers * Oil

Transaxle Mount Urethane "Upgrade"

I pulled the transaxle with plans to reseal it. There is quite a bit of oil and sludge all around it. The mounts didn't look bad, but the rubber is about 40 years old at this point. I read on Rennlist a few posts where folks are adding

Engine Cleaning

Now that the engine is out, it was time to do some cleaning. I enlisted the help of my daughter and together, along the help of a degreaser, a toothbrush, and a pressure washer, we got to work. Below are some before and after photos. Before After

Read more

CV Axle Rebuild/Regrease

Engine Disassembly

Transaxle Mount Urethane "Upgrade"

Engine Cleaning