When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Does anyone know where i can get the vacume diagram for a 1977
f-150 400M. I have tons of leaks and need to know what needs to be hooked up and where the line should go. Any help would be appriciated. thanks
[font size="1" color="#FF0000"]LAST EDITED ON 22-Oct-01 AT 10:56 PM (EST)[/font][p]https://www.ford-trucks.com/dcforum/User_files/mil1ion/3bd4da9211d89ac5.gif
I have the schematic for a 79 .
it should be the same.
I need the calibration info.
Look on your valve covers for a white sticker that starts with XL 7 or 8
I need those before I scan.
Have 78 F-250 400ci Looking for vacumm routing. My intake manifold looks like a rats nest. California model.
arringtontree(No Email Addresses In Posts!)
The number that start with XL 7 or 8 is it on the same sticker that gives the engine size, family etc. Or is it on a different sticker. The man who owned the truck before me spray painted the valve covers and painted right over all the stickers.
[font size="1" color="#FF0000"]LAST EDITED ON 23-Oct-01 AT 03:33 PM (EST)[/font][p]https://www.ford-trucks.com/dcforum/User_files/mil1ion/3bd5c61072ac4595.gif
It's different sticker.
If I remember right,it is a WHITE sticker about 2 1/2" x 1 1/2".
Another way !
What are the last TWO Letters and all of the last Numbers of your VIN #. That ill give me a build date
The best source i know of is a Chiltons or Motor manual. The next best if you can find one is the original Ford shop manual. They are a little pricey.
Jack G.
77 F250 + M400
Check out a book that may be in your local library called Mitchell's. I contains all vacuum hose diagrams that you could possibly want for a ford engine. I made copies of the diagrams for my 78 400 and there were a number of different configurations. I hope this helps.
dbarracuda,
I've got a 1978 F150 and it doesn't have much for vacuum lines on it. Let's go throughthe numbers.
1. Distributor vacuum = Carb vacuum?
2. Power Brake = Vacuum TEE on manifold behind Carb
3. Vent Accessory = small vacuum line on Vacuum TEE
4. Transmission Vacuum from modulator to vacuum TEE
5. Don't need anymore remove rest live happily ever after
Good Luck,Have FUN,
KingFisher
Hi. I just bought a '77 F-100 with a 300. I'm in dire need of a vacuum diagram--Chilton's and Haynes are no help. Can you (or anyone else) point me in the right direction? Thanks, K.C.