Use your pliers or screwdriver (as appropriate) to undo the hose clamps and remove the flex lines from the car. 15: If you've gotten this far, you're over the hump. Five different fuel pumps were installed into various C3 Corvettes. The quick way to do it is have someone help you. You will also need to have a new fuel pump plate gasket or the proper gasket material to make one.
A longer bolt inserts from the bottom of the cross-member and engages captive nuts on the ends of the tank straps. 1968-1682 Fuel Tank Replacement | Corvette Magazine. I found the correct gasket at the local Advance Auto Parts store for a few bucks. The precise instructions will differ from model year to model year, so as always be sure to get yourself a good repair and assembly manual for your particular Corvette. I've found many great deals on eBay and Amazon in the past, but there are a lot of fly-by-night sellers on both platforms with prices all over the map, so search and compare prices before finalizing a purchase. Move the tank rearwards so its two mounting indentations locate on the fuel tank support beam's mounting pads.
Support the tank while you get the forward cross-member in place. Just make sure to order the correct lines since they are molded to exact factory specifications. As a matter of fact, it may be the same fuel pump for Corvettes (and maybe other Chevrolets with small-block V8 engines) from the late 1950s all the way to the late 1970s, so always take the time to do your research. 01: The first step is to get the back of the car up in the air, either on a lift or on jack stands. 05 of 08 Replace the Fuel Lines Photo by Jeff Zurschmeide With the tank out of the car, you can see the fuel lines. To prepare for this job, give yourself plenty of room to work. 06 of 08 Reinstall the Tank and Connect the Fuel Lines Photo by Jeff Zurschmeide To reinstall the tank, first replace the metal straps, making sure they run under the hoses. Remove the straps prying the front end of each strap out of the slots in the tank support beam. Paint Protectors (Static-Cling). 1976 Corvette Stingray: Restore, Repair, Detail: Installing a New Fuel Pump on a C3 Corvette. If you have a '63-'81 modified with an electric fuel pump, disconnect the fuel line from the carburetor, aim it into a container then turn the key on, but don't start the engine, and the pump will drain the tank. Some tanks have as many as three hoses, two on the right (supply hose and a vapor return) and a single vapor return on the left. • CARiD: ACDelco Mechanical Fuel Pump.
These might all be on the passenger side, or they might be on both sides of the car, depending on the year. A great price when compared to other part vendors. The remaining bolt you can easily reach from under the vehicle. If you insist on OE style spring clamps, Zip Products has an assortment of them (PN ZHC-515). If each step was done correctly, there should be none. Finally, to dispose of the fuel you have drained, if the gasoline is clean and relatively fresh and was drained into a clean container, put it in the fuel tank of another vehicle. Next, undo the four bolts that hold the removable cross-member in place. You'll notice at least two (and maybe more) flexible rubber fuel lines going to hard steel tubes attached to the frame of the car. We ordered a Zip Products standard reproduction tank to fit any '70-'74 (PN GT-399) and a reproduction filler neck (PN GT-296). So have a bucket or basin of some sort at the ready. If you took off the mufflers, it's going to be loud! How to Restore Your C3 Corvette: 1968-1982: Fuel and Spark Systems. Corvette Parts List Related to the Article: - 1970-1974 Gas Tank. I put the tank sender gasket in place, dropped the sender into the tank, put the cam on top of the sender and used Zip Products' installation tool (PN TL-120) to lock the cam in place. The factory installed a breaker-point ignition system on most 1968–1974 Corvettes to control spark.
Our project car has two single-piece Flowmaster muffler/mid-pipe assemblies, so the entire exhaust system up to the center cross member had to come out. Make sure it's not leaking anywhere, check the fuel gauge, and fire up the car. Seat Belt Pads / Extensions. Grille & Grille Related. C3 corvette fuel line diagram 1991 600r. 09: With the filler neck in place, I added a Zip Products Filler Neck Boot (PN WS-623) to replace the original boot which was cracked and rotting. The third type is for cars being upgraded to electronic fuel injection and fits only '68-'74 models. View All Accessories & Books. The solution is a pair of longer bolts.
13: Lay the tank strap anti-squeak strips, which come in Zip's tank installation kit, in the strap channels on the tank. If you need to replace those items, Zip Products stocks a reproduction separator (PN GT-380) and hose kit (PN CZ-1173). Then, I set the tank on the block so the sender's fuel outlet pipe was not supporting the weight of the tank. GearWrench Work Light. C3 corvette fuel line diagram 2001 honda rancher. Obviously the first steps to dump 5-10 gallons of fresh fuel in the fuel tank. Gas Tapper 12V GT Max. 02 of 08 Tools and Supplies Photo by Jeff Zurschmeide You'll need a few basic tools to perform this task and some supplies. With the spring in the hose, I pushed the hose nipple into the filler neck boot, pushed the hose onto that then added a plastic clamp to retain the hose. 1982 fuel tank electric pump.
Think logically, and look at the diagrams posted below,, step by step testing will isolate the cause. Fiberglass Body Panels. You can lift the rear end of the car to let gravity help if you need to. Here is a brief overview of the fuel and spark systems. With one person on each end of the tank, rotate the tank forward until it clears the rear crossmember then lower the tank down and out. Source: Zip Corvette Parts. 11: It is virtually impossible to install that spring into the hose and correctly position it by hand. 1965-1974 Gas Tank Overflow Hose, Spring & Nipple Kit. You'll find a rubber spill collector attached to the fueling neck of the tank, with a drain line running alongside the tank. You may also need a length of 3/8-inch hose, depending on your model year. C3 corvette fuel line diagram chart pdf. Pull the other end of each strap out of the hole in the rear crossmember then pull the straps down and out. Use four short strips of packing tape to hold the ends of the anti-squeak strips in place. The other way, if you don't want to replace the entire rear harness, is to cut the old tank sender wires out of the rear light harness and splice new tank sender wires in place.
Chevy engineers made a provision for the removal of the bolt. Mine had no gas left in it, so I loaded it into the back of my pick-up and hauled it downtown to a scrap metal recycling center. When the new pump is installed, reconnect the fuel lines and clamps and use a flare or line nut wrench for the line that connects to the brass fitting. However, from my research, I knew this was the right pump for my car. Simply measure each length of hose and cut a new length in the correct size and reassemble the hoses in the same pattern. The tank should easily slide into its position. We chose the latter as it's more characteristic of how a DIY would do the work. See photo for the location of the bolt. I've replaced many components on my Vette, and have to keep reminding myself that the best ones are those made by reputable companies, which 99. The fuel is delivered to the carburetor via a fuel pump and the electrical system does the rest.
We ordered a 1971 Corvette Service Manual (PN B-353) from Zip just in case we needed factory service information on the '71 fuel system. It should have a rubber pad on the cross-member. Fuel is delivered to the pump only through the mainline. This is the original factory build sheet, showing every option that was built into the car at the factory.
Before installing the new fuel pump, I glued the base basket with High-Temp Red RTV Silicone and allowed it to cure for several hours. Steering / Power Steering Alternator. • Hose Pincher Pliers 3-Piece Set. Stencils/Car Decal Kits. Hook the front of each strap into the slots on the tank support. At this point, you're ready to start the engine and check for leaks.
Carefully pry the two plastic harness mounting tabs off the studs then pull that section of the rear lamp harness down to access the tank sender wires more easily. You might need to siphon or pump out the gas, but if you remove the flexible fuel line from the fuel pump up in the engine bay, the gas will often drain right into a pan for you. Now, to be clear, when I say "American-made" that includes parts manufactured in Canada and Mexico, as well as the USA.