Ford F-150 - 1997-2003 :: Cab Gets Heat For A Few Seconds Then Quits
Oct 12, 2014
1997 Ford f-150. No heat.
I have replaced Radiator (Leaking)
New heater core (Signs of leaking when I replaced it)
New blend door (Why not...I am already in there)
Actuator motor works fine
New thermostat.
Both heater core hoses are hot. (same temp, feels like)
My next step is going to be water pump. I read where some have replaced pump and found that although no leaks were found the fins were deteriorated to the point it would not work. Truck does not overheat. Coolant level is fine. Cab gets heat for a few seconds then quits.
Money is not an issue so I don't mind throwing a few parts at it. What other parts are left?
Temp. control switch
Water pump?
View 14 Replies
Advertisement
98 f150 4.2l imrc quits working after 30 secs or so. Valves are good,linkage is good, vacuum lines good, electric vacuum switch/valve on r/h side of intake good, power to that switch/valve is there, loosing ground from computer??? What tells the computer to operate these valves?
View 9 Replies
I come over from the old school forum (48-60) with a question about a new to me 1999 F150 XLT 5.4L, 4x4, Auto. Truck has ran awesome for a couple of days. Truck has in excess of 410,000 miles but don't let that mislead. I believe the engine has been replaced sometime along the way. Yesterday I was driving and it just stumbled and stopped. After sitting for 5 minutes it started again, stumbled and stopped.
Today I checked the following:
- Fuel pump/relay - both work
- Dropped gas tank and replaced fuel pump strainer and fuel filter
- Fuel pressure at rail remains steady
- No codes present and no SES/CEL on.
Could this be a plugged EGR valve or IAC valve? I have had similar issues on Tauruses but it always threw a code when it did. Could this indicate a cat issue?
View 2 Replies
The Speed Needle works fine. But...the Odometer part quit some time ago. I can't tell what my fuel Mileage is now. How to troubleshoot this problem?
Things that might affect this problem; Transmission skids loudly when going in and out of 4-OD. It could be the Torque converter clutch?
The Gear shift lever is sloppy. Doesn't fill me with Confidence.
Brake fluid warning light is on most of the time. Fluid level is up hi though. Driver door mirror control switch don't work in one direction Who on this Forum has a Switch for me?
View 14 Replies
My 2011 sonata rattles when starting. It sounds like noisy lifters and quits after 2-3 seconds. It does not do it on the first start-up of the day, but on subsequent starts when the engine is warm.
View 7 Replies
Yea, so early in the morning I turn on the radio am, and touch the heater/cool and the static is really bad. It's bad before I touch the heater on but is worse during.
View 3 Replies
I just got the F150 ext cab 5.4 auto 235000 miles, and there is no heat and the fan only work on high. I am also changing all the coils plug and injectors. The guy I got the truck from said he never chanted them. I know it is going to be fun , soak the plugs and be careful. Any thing else I should know or do???
View 5 Replies
I have a 97 f150 that only blows heat and I am wondering if the blendor is bad or is it something else that is causing the issiue
View 2 Replies
my heat has suddenly quit woking getting hot. It has plenty of water, my heater hoses are not gettting hot.
View 14 Replies
Every thing was working great then the AC quit. I ran through the air selector and all I can get is panel and defrost with no heat. I checked the vacuum line on the passenger side engine compartment and it looks good. Oh I also took the control apart and 3 of the five holes had vacuum to them.
View 2 Replies
Ok I have a 97 f150 4.6L. My radiator has been bad for a while. With brown rust color. I replaced my radiator, thermostat, new upper and lower hoses. Everything runs great but I have no heat. I flushed everything including the heater core. Core is not leaking into cab, and both heater hoses are cold. FYI heat worked great until 5 days ago.
View 7 Replies
Where the cabin air intake location is? I'm not talking about the air filter.
My 97 F150 has some sort of exhaust leak and it's coming into the cabin when the heat is on. I want to tape up the cabin air intake port but I don't know where it is. On later models, it's on the right passenger side near the cowl of the hood. Where is it on the 97?
View 2 Replies
2001 F150 5.4 4wd - AC not working but when I turn the temperature dial to the blue side and turn on the fan, super hot air comes out of the vents or wherever I direct the fan to blow (Floor, defrost, etc) I know it shouldn't blow ice cold especially since my AC doesn't work but.....shouldn't I feel a temp change coming from the vents when I move temp dial from the red area to the blue? It's max heat wherever I have it set.
View 6 Replies
About mid-October I noticed when it as real cold out and I had the heat running whenever I would come to a stop I noticed there is very little to no heat coming from the vents, despite the engine being warm and running at operating temps. At the time I was working for a shop and I asked one of the mechanics what the problem was. He said that it was the radiator not having enough coolant.
Turns out when we pulled the cap the coolant res, was just about bone dry. So we added in about a gallon or so of coolant with the truck running and sure enough at idle the heat was back.
Fast forward to the last couple of weeks and when I am sitting at idle again same thing happens. So somehow the engine is losing coolant. Its not ending up in the oil (no white on the dipstick) and there is not a coolant leak. As it sits there is 255,300 miles on the truck now. 1999 5.4L F150....
View 10 Replies
2003 F150 4wd with auto climate control. My blower for heat and AC completely stopped working a few weeks ago. I have checked all fuses, i replaced the relay under the dash, i replaced the blower motor control module. I supplied power to the blower motor itself and it ran fine with no noises. I ran the self test on the controller in the dash under the radio and it passed. I am not sure what else to try.
View 7 Replies
I found no heat last week in my 01 F150. The AC was cold but no blower. The heat was there but no blower. I replaced the blower motor resistor. Result: i believe a FEW of the speeds worked when turning the fan speed switch...but was intermittent. It would blow L, M, H, then nothing. I jiggled the know on the dash mounted switch and heard it on/off, on/off the motor as I jiggled. I DID notice that when I disco'd the connector off the resistor the HIGH speed worked. Is the switch on the dash perhaps crusty ? Or should I be looknig at the motor itself.
View 4 Replies
My 2001 f150 super crew, the heat only works on speeds 1-3. All 4 speeds blow air fine, I'm talking about the temperature. not the blower. Could it be the heat resistor?
View 4 Replies
Here's what I have : 2003 F150xlt V6. about 65K miles.
Here's what happened : Drove it to the hardware store to pick up some stuff. Stopped in front of the garage. No abnormal indications during that trip at all. Decided to back to the garage and when I started it, it "ran" very rough and died in about 5 secs. Started again and chugged for about 2 or 3 secs. Tried a third time and would not run.
Here's what I've got : No CEL. all gauges indicate correctly. No anti theft blink. more than a 1/4 tank of fuel. in south central PA about at 35 degree day. parked level.
What I've checked : Wife turned the key on, I hear the fuel pump run a couple seconds with my ear in the rear wheel well. truck turns over fine. no start. turn the key off, about a two second buzz from the idle air control valve. when the key is turned on with my finger on the fuel pump relay, I feel it shift. I have pulled it and looked for corrosion. no problem. checked applicable fuses (visually).
I have tried to start with the IAC and MAF disconnected individually. tried to start it with a different key.
I have not : Banged on the tank to free up the pump. (I don't suspect it at this point)
I have not checked to see if there is fuel pressure at the fuel rail. Where is that schrader valve? I miss my books.
I have not verified that I have spark. What's the easiest way?
I have not modified my air intake in any way.
I'm headed out to a parts store tonight or walmart to get another scanner. I think my best clue here is the buzzing IAC. What's that mean?
View 14 Replies
It driving me crazy. Every 10th start of engine it cranks over and over before it fires up, no codes, changed plugs, wires, crank trigger, fuel filter, upper and lower intake gaskets, injectors, iacv. I have no clue. Runs great all time just starting issue every 10th or so start takes 10- 15 seconds to start
View 2 Replies
I have a 2002 F-150 and started making terrible noise when turned on heat/ac. The fan cage was full of acorns and pieces of insulation in it. How can the squirrels get in there? I have looked and see no entrance, maybe just don't know where to look.
View 2 Replies
I have a 2002 f150 supercrew 5.4 liter. About mid winter my heat suddenly went from hot to lukewarm. A check of the fluids shows all is good. I use my truck solely for work so I didn't bother with it at the time. Summer is here and my AC blows kinda cold, at best. I can hear the blend door moving. The temp control does make a huge difference. It just doesn't get real cold or real hot. Not like it should.
View 14 Replies
