1974 Bus - Too Cold for no heat
- Emily's Owner
- Old School!
- Location: Canby, Oregon
- Status: Offline
1974 Bus - Too Cold for no heat
I've had issues with the heater cables breaking somewhere along the length of tubing under the bus for some time and we have yet to isolate the hangup. My short term solution has been just to crawl under the bus and wire open the heater flap on the drivers side. So I finally did this a couple of days ago (couldn't handle the freezing cold any longer), and I still don't get any heat. Am I missing something else to wire open. There's no air flow whatsoever coming out of any of the vents. Suggestions? Emily is a '74 Transporter......
Margaret
Lead me not into temptation...... Oh hell, who are we kidding, follow me, I know a shortcut.
Lead me not into temptation...... Oh hell, who are we kidding, follow me, I know a shortcut.
- LiveonJG
- IAC Jester!
- Location: Standing on the side of the road, rain falling on my shoes.
- Status: Offline
The heating system is quite simple. As long as your duct work is intact and your control boxes are functional, you should have some air flow up front. Are you sure the control boxes are in working order? What happens if you open the passenger side control box? Another possibility is blockage in the vents. Could you have a nest in there? That pretty much covers it. Good luck, and I hope this helps.
-John
-John
Keep it acoustic.
- LiveonJG
- IAC Jester!
- Location: Standing on the side of the road, rain falling on my shoes.
- Status: Offline
- Emily's Owner
- Old School!
- Location: Canby, Oregon
- Status: Offline
Everything under the bus appears to be intact without any gaping holes and such. Next step is to swing by a car wash and use on of their extra strength vacuums and see if I can dislodge anything.....
Margaret
Lead me not into temptation...... Oh hell, who are we kidding, follow me, I know a shortcut.
Lead me not into temptation...... Oh hell, who are we kidding, follow me, I know a shortcut.
- Amskeptic
- IAC "Help Desk"
- Status: Offline
Be more scientific. Give yourself a talking-to ("I LIKE the cold so I am going to overdress and crawl around in it). Drive to dry concrete (I use unvisited car wash bays)Emily's Owner wrote:Everything under the bus appears to be intact without any gaping holes and such. Next step is to swing by a car wash and use on of their extra strength vacuums and see if I can dislodge anything.....
Remove black plastic accordians from heater valves. Start engine and let it idle with heater dashboard levers up/off! as you crawl under the bus and pull the levers forward as your other hand feels for a decent blast of heat as you open the valve. You may find that the flapper deals have disassembled themselves. There are TWO flappers in there, separated by a spring and held together as an assembly with a pin. If the pin breaks, the lever may act fine on the outside but the flappers block everything up.
If you get good airflow and the heater valves shut on and off nicely, then go ahead and move the car over to the vacuums and leave the accordians off while you check out airflow through the ducts. I would use compressed air and backflush so debris does not go into the interior but out under the car near the transaxle.
When you are done, you can rewire your levers open under the bus or put in fresh new heater cables and enjoy that glorious light action of simply pulling the levers down from the driver's seat and feeling that delightfully warm breeze at your feet and coming up from the defrosters.
Colin
BobD - 78 Bus . . . 112,730 miles
Chloe - 70 bus . . . 217,593 miles
Naranja - 77 Westy . . . 142,970 miles
Pluck - 1973 Squareback . . . . . . 55,600 miles
Alexus - 91 Lexus LS400 . . . 96,675 miles
Chloe - 70 bus . . . 217,593 miles
Naranja - 77 Westy . . . 142,970 miles
Pluck - 1973 Squareback . . . . . . 55,600 miles
Alexus - 91 Lexus LS400 . . . 96,675 miles
- Emily's Owner
- Old School!
- Location: Canby, Oregon
- Status: Offline
Since I'm not attending the Unsuperbowl, maybe I'll do that as my project during Superbowl.....My bus used to have fabulous heat, and with the cable hang ups, I haven't really fussed with it much in the last few years.
Margaret
Lead me not into temptation...... Oh hell, who are we kidding, follow me, I know a shortcut.
Lead me not into temptation...... Oh hell, who are we kidding, follow me, I know a shortcut.