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Nissan frontier: no heat – Auto Repair Chat

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In this video I help out a customer with a concern of no heat in his Nissan Frontier with the big 4.0 Turns out there was more to the issue than just a bad thermostat or plugged heater core.
-Enjoy!
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96 thoughts on “Nissan frontier: no heat”
  1. Avataaar/Circle Created with python_avatars WinCh says:

    It would suck for a diyer, to have parts disassembled and a broken clamp, and no transportation to go get them. When do you use the chlorinated brake cleaner and when the non-chlorinated version?

  2. Avataaar/Circle Created with python_avatars Justin Hamaker says:

    Toasty!

  3. Avataaar/Circle Created with python_avatars Black Enigma says:

    very good video,….👍🏿

  4. Avataaar/Circle Created with python_avatars Carlos Navarro says:

    Eric O and Rainman Ray are the only two mechanics who I would'nt question their recommendations and know I'm not being taken to the cleaners

  5. Avataaar/Circle Created with python_avatars V M says:

    That cardboard gasket tip DOES work. But as Eric O. said, do NOT use that trick on a customer's vehicle. Personally, I used that little box that InNOut burgers come in. Originally, I intended to replace that "gasket" when I got home, but then curiosity got the better of me, and I wanted to know how long the makeshift gasket would last. Turns out, it lasted quite a while. Anyways, thanks for another great video.

  6. Avataaar/Circle Created with python_avatars shaun huckabee says:

    I’ve never had good luck using aftermarket thermostats on any vehicle. I always go OEM but maybe it’s just my luck.

  7. Avataaar/Circle Created with python_avatars Leo Szwiec says:

    always learn something

  8. Avataaar/Circle Created with python_avatars qwaszxpolkmncvb says:

    I've honestly broken the nipple trying to change the heater core hose on my frontier. It had just enough left to barely rig the hose back.

  9. Avataaar/Circle Created with python_avatars James Bernardino says:

    Mr. O, troubled by Loud furnace sounds? 🤔……Can’t you get your neighbor to do a little “snow mowing”instead?🤦🏻‍♂️

  10. Avataaar/Circle Created with python_avatars Frank Keel says:

    Can u not muzzle that heater?

  11. Avataaar/Circle Created with python_avatars thisisntforsharing says:

    Great video

  12. Avataaar/Circle Created with python_avatars William Morris says:

    I did the same exact thing when I was doing my water pump on my dodge ram I took out one more boat than I should’ve and it was a timing chain cover bolt

  13. Avataaar/Circle Created with python_avatars Hofner Bass says:

    Excellent video with fantastic commentary. Great job.

  14. Avataaar/Circle Created with python_avatars Stevie Athers. says:

    👍🏻🏴󠁧󠁢󠁥󠁮󠁧󠁿

  15. Avataaar/Circle Created with python_avatars Christopher Conkright says:

    all my cars in the 90s had two clamps at the heater core I lived In Jersey had a 89 90 caravan damn in getting old had to flush it every year. Thermostat seemed to be good

  16. Avataaar/Circle Created with python_avatars What's That Noise? says:

    I had to replace the thermostat, radiator and reservoir tank on my 4.0L 2014 on three separate occasions over the past couple of years. When the thermostat opened up wide, the truck would not warm up at all so it ran like I had just started it on a cold day; the needle never got above the first line and very little cab heat. The radiator blew last February on my way to work but I was able to limp it home in a couple of stages of cooling and refilling. Two days later it was a clear miracle of a 60 degree day (I'm in NJ) and I'm a driveway mechanic so I took the day from work and replaced it and the belt. I did remove the bottom part of the shroud before pulling the top part, tho – saved me from pulling off the fan. Hoses and clamps were AOK so just reused them. Reservoir tank had an invisible crack and was always leaking just ever so slightly but constantly so that's why it got replaced. Plenty of cab heat and no leaks now. But this video brings back a bunch of memories of working those issues on mine. Sure is much easier watching someone else do this work – more entertaining, too. Thanks for the video, Eric, warts and all.

  17. Avataaar/Circle Created with python_avatars LS1LE says:

    I couldn’t find my fine tooth comb, but I found my mirror. I started laughing so hard, I’m sure some folks thought I was crazy…

  18. Avataaar/Circle Created with python_avatars Luis M says:

    Now for sure he won’t kill you

  19. Avataaar/Circle Created with python_avatars Sean Duncan says:

    Nice Job👍 I've got a 2008 crew cab 4×4 long bed Frontier that I bought used with 60,000 miles on it in 2014. It's now got 403,000 miles on it. I've dealt with this coolant issue on and off for years and would usually just overfill the coolant reserve tank and it would fix the issue for some time. As many others have said in the Comments it seems to be an issue with low coolant or air in the system. And you'll know it's the issue if your truck isn't necessarily running to hot but you only get good heat with high rpms on the engine. I've had several times over the years that I was almost certian that my coolant wasn't low but would have the issue and could also sometimes here the gurgle sound when shutting the truck off signifying air in the system. I think the advise of overfilling your reserve tank a bit for the 2nd gen Frontier 4.0 engine is a solid recomend by many who seem to be very familiar with the Frontier in the comments section. I'm guessing either coolant slowly seeps out or air somehow gets in due to worn hoses or hose clamps over time if everything else is solid. Your going to save A Lot of Frontier owners some guestimation hassle with this vid and the great information in the comments. Thanks for Sharing on You Tube!

  20. Avataaar/Circle Created with python_avatars Neil Dare says:

    I thought you said you didn't like cordless ratchets fella

  21. Avataaar/Circle Created with python_avatars John Denton says:

    Being thorough wins the game.🎍😁
    👍🇺🇸😎

  22. Avataaar/Circle Created with python_avatars Ross Voss says:

    Cereal box and Indian head shellac, best you can get when you can't get the gasket.

  23. Avataaar/Circle Created with python_avatars Paul Kline says:

    You're going to have to teach that guy how to operate that mirror when he's doing inspections.

  24. Avataaar/Circle Created with python_avatars Paul Kline says:

    When I was in the Army we would use Manila File Folders to make gaskets if we couldn't get gaskets. Mostly for the differential housing cover, axle shafts and transmission shift housing cover.

  25. Avataaar/Circle Created with python_avatars Wayne Lutwiniak says:

    Ah, the dreaded, broken spring clamp. Those can be really annoying to remove ☹

  26. Avataaar/Circle Created with python_avatars James Brown says:

    get a new furn u got the money i here

  27. Avataaar/Circle Created with python_avatars East Shore Trail and Bike says:

    Awesome videos by an awesome mechanic!

  28. Avataaar/Circle Created with python_avatars kodo nosaki says:

    The premixed 50/50 anti-freeze/distilled water, engine coolants, came to market, to negate the harmful effects of the chemicals besides H2O, found in tap or hose water. Since the mid '70s, until the 50/50 coolants were available, I always had enough bottles of clean, pure, distilled water on hand.

  29. Avataaar/Circle Created with python_avatars Wizard Ace says:

    Eric there are times you have to wonder if you have ever turned a wrench, we all have off days.

  30. Avataaar/Circle Created with python_avatars Magoo Lew says:

    I can't do it because I don't have half the tools you do, plus I'm nearly 70 years old. I can't even remember the last car I worked on other than putting washer fluid in the bottle and changing the air cleaner and battery on my 2004 Cavalier and I just did that a week ago.

  31. Avataaar/Circle Created with python_avatars Troy Miller says:

    👍

  32. Avataaar/Circle Created with python_avatars John Hegarty says:

    Beauty cover my ass it's to cover up the mistake underneath.

  33. Avataaar/Circle Created with python_avatars Timothy Tilley says:

    I like the theories. I’m constantly questioning everything. What is this? What is that? The path to discovery and understanding. Endless….

  34. Avataaar/Circle Created with python_avatars John Hegarty says:

    Oh! for the good old days and worm gear clamps, these sorrowful new clamps are only slightly better than the old chrysler wire clamps!

  35. Avataaar/Circle Created with python_avatars Robert Clubs says:

    You know what you're doing. Thanks for your service.

  36. Avataaar/Circle Created with python_avatars H Timmermans says:

    The engine sounded like a diesel!

  37. Avataaar/Circle Created with python_avatars Michael Strafello says:

    I consider thermostat ,heater core flush and new coolant preventive services time and mileage

  38. Avataaar/Circle Created with python_avatars Clear View Solutions MS says:

    Are you in need of a Mississippi license plate for your collection?

  39. Avataaar/Circle Created with python_avatars Adam Bell says:

    This is a super common problem with these trucks. If they loose any coolant at all, I mean any, you will have no heat. The location of the heater core and the min/max marks on the overflow reservoir could have a little more wiggle room.

  40. Avataaar/Circle Created with python_avatars Synical Beats says:

    Pain in the ass heater core hose loop. Top it off and take it for a beat run. Ran into this constantly as a Nissan tech.

  41. Avataaar/Circle Created with python_avatars Byron Watkins says:

    Some people either don't experience embarrassment or dismiss it as "not my fault." Embarrassment drives us to improve ourselves and to prevent similar mistakes.

  42. Avataaar/Circle Created with python_avatars mu lin zhan says:

    From Taiwan, wishing you and your family a wonderful 2023.

  43. Avataaar/Circle Created with python_avatars sxtn102 says:

    AAAAHHHHHH!!!
    The edgy Brake Kleen …….!!!!!!!!
    Thank you!

  44. Avataaar/Circle Created with python_avatars sxtn102 says:

    I understand you're only one person but it's no fun looking at the back of your shirt while you talk to yourself with select phrases like "did ya see that, baby?". Without closer camera access, we don't see squat! And we haven't a clue what's workin' and what's not . I know it's tuff to do the work and film too, 3 handed so to speak, but if ya can't get the angle, maybe this is not the job for content.

    Other than that, absolutely love the channel!!! Tho I DO miss brake cleaner drama…😱!!!

  45. Avataaar/Circle Created with python_avatars 73 SUPERGLIDE says:

    And y did you put camera down show it Eric

  46. Avataaar/Circle Created with python_avatars Repro77 says:

    I've cut my fingers a few times on my fan. Just a slight spin, and bam! dripping blood…..razor sharp

  47. Avataaar/Circle Created with python_avatars James Carroll says:

    Happy New Year Eric
    Off topic:does anyone know what happened to Ben from One-Legged Honda Mechanic YouTube channel?

  48. Avataaar/Circle Created with python_avatars Matthew Frank says:

    Just watching and you mentioned a box to make a gasket. I did make a head gasket for a AMC don't remember what size engine as it was 30 years ago. Out of a potato chip box . The gasket was made of cardboard for the factory.

  49. Avataaar/Circle Created with python_avatars P3cNavyBrat says:

    Clicker on his hat, lol