Remember when spark plugs were easy to change?

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  • Merc
    Senior Member
    • Feb 2016
    • 1690

    #1

    Remember when spark plugs were easy to change?

    We’re getting ready for our annual 4 week Florida vacation. We always take the wife’s excellent running and super dependable 2011 Toyota Sienna V6 van so we can take our bikes, golf clubs, etc. with us.

    I always change the full synthetic engine oil at 5K and transmission fluid at 60K. The van is running perfectly, but this year with 181K on the odometer, I decided that I’ve neglected replacing the original spark plugs long enough. I took it to a Toyota dealership to have the work done.

    They did an excellent job, as usual, but the invoice was shocking. They said it was a “major job” so I paid the invoice and watched a YouTube video after I got home that showed exactly what they meant by “major job.”

    The engine (like all FWD vehicles) is mounted side ways. Changing the front plugs takes about 10 minutes and changing the rear plugs takes a well trained technician about 3 hours. I suspect a technician that’s not familiar with the Sienna might spend all day or longer changing the rear plugs. The cowl, windshield wipers and linkage assembly, throttle body, and intake manifold all must be disconnected and removed before gaining access to the rear plugs. There’s no other way to do it. Modern cars are definitely not designed to be easily serviced.

    I will say this about the Sienna. We bought it new in 2011 and it’s held up very well over the years. The only major repair work I’ve had done was replacing the squealing (but not leaking) water pump at about 80k miles. That was also a major job since the radiator and AC condenser had to be removed in order to gain access to the water pump.

    I don’t have any reservations about driving the van to Florida and would not hesitate to buy another Sienna.

    I see the 2121 Siennas are all 4 cylinder hybrids that’s supposed to get 35 mpg. My excellent running 2018 Toyota Highlander is a 6 cylinder hybrid that gets 25 mpg.
  • jjrothWA
    Senior Member
    • Aug 2009
    • 1148

    #2
    Nice to know.

    I'm replacing a 2005 Chrysler T&C,bought with 85kon it and now has 458k, still get22-25mpg but the body is rusting.
    Have been looking at the Toyoda tundra combine mpg 17-23, or Nisan Pioneer smallpick-up with 19-24. the Nissan has 3600 towing capacity.

    Comment

    • Art
      Senior Member, Deceased
      • Dec 2009
      • 9256

      #3
      Don't feel alone. This was (is?) a major problem with vans like the Sienna. A friend of ours has a Chrysler mini van with the exact same problem and his local mechanic eventually gave up and just changed the front plugs. Fortunately cars need a tune up so seldom these days that it isn't a problem for folks who turn their car over every few years; for the rest of us, well it is. I found out all about it when I tried to, and succeeded after much cursing and some skinned knuckles to change the left front headlamp on our 2007 Subaru Forrester. Modern cars are great...until they aren't.

      Our current car is a 2019 Subaru its great, hope it stays that way.

      Comment

      • oscars
        Senior Member
        • Nov 2009
        • 551

        #4
        Local Toyota dealership is charging a premium for leftover 20 Siennas and has a waiting list for 18 and 19 Siennas. The Kia Sedona is looking better and better for moi!

        Comment

        • Merc
          Senior Member
          • Feb 2016
          • 1690

          #5
          Body rust is also my big trigger to start looking for a new vehicle. The Sienna was our first Toyota and it’s lived up to its reputation of being dependable. I get most maintenance, i.e. oil changes, etc., done before they’re due, so it’s very sound mechanically. There isn’t any rust so far and it’s 10 years old.

          I can remember when we were shopping for the Sienna in 2011. It was hard finding a used Sienna and the 2 year olds were so pricey that we decided to just buy a new one.

          I prefer vans over pick up trucks because I think they’re more versatile. The Sienna is very spacious. I can seat up to 7 people or fold the rear seat down and remove the center seats and haul cargo. I understand the center seats on the 2021 Sienna can be pushed forward but can’t be removed.

          My hybrid Highlander is our 2nd Toyota and is interesting. As long as the traction battery is charged and I stay below 40 MPH on level roads, I can cruise along on electric power only. The 4 wheel drive is attained through a 2nd electric motor on the rear axel. Combined gas and electric horsepower is 309 and it averages 25 MPG, but if you’re really good at feathering the accelerator, you can do much better. My lead-footed wife will go shopping and only get 22 MPG. I reset the computer and do errands and get 28 MPG. We have lots of hills around here. If I’m driving where it’s totally level, I can get 32 MPG on the open road and in stop and go traffic. I suspect that we’ll be seeing much higher gas prices by this summer so the hybrids might become the new future of auto transportation. I still can’t totally accept that all-electric cars are practical for long distance traveling.

          Comment

          • Merc
            Senior Member
            • Feb 2016
            • 1690

            #6
            Originally posted by oscars
            Local Toyota dealership is charging a premium for leftover 20 Siennas and has a waiting list for 18 and 19 Siennas. The Kia Sedona is looking better and better for moi!
            The Sedona has been improving over the years. My cousin has two Sedonas. I think one is a 2012 and the other is a 2017. He’s pretty happy with both of them and hasn’t experienced any major problems but the older van had some rusting problems that attacked the brakes and various hardware items.

            Comment

            • bdm
              Senior Member
              • Sep 2009
              • 613

              #7
              I have the Toyota V8 5.7 Tundra and the plugs are hard to change also

              Comment

              • JimF
                Senior Member
                • Aug 2009
                • 1179

                #8
                Was it the Chevrolet Beretta that required the removal of the right-front tire to access the spark plugs through the wheel well?
                Maybe not the Beretta, but there was some Chevy model that required removal.

                Comment

                • barretcreek
                  Senior Member
                  • Sep 2013
                  • 6065

                  #9
                  Sunbeam Tiger had a small block Ford. Trap door under the passenger's feet to access the plugs. Would doubt Detroit did that.

                  Comment

                  • lyman
                    Administrator - OFC
                    • Aug 2009
                    • 11269

                    #10
                    Originally posted by bdm
                    I have the Toyota V8 5.7 Tundra and the plugs are hard to change also
                    my 2000 w/ V8 is a breeze,

                    and has been very reliable,

                    brine is starting to eat the underside a bit, but it still runs well at 205K

                    Comment

                    • Merc
                      Senior Member
                      • Feb 2016
                      • 1690

                      #11
                      Originally posted by JimF
                      Was it the Chevrolet Beretta that required the removal of the right-front tire to access the spark plugs through the wheel well?
                      Maybe not the Beretta, but there was some Chevy model that required removal.
                      I had a 1995 Buick Roadmaster that came from the factory with a Corvette LT-1 V8 and it was easier to change some of the plugs through the wheel well. I think the Chevy equivalent was the Caprice.

                      Comment

                      • Merc
                        Senior Member
                        • Feb 2016
                        • 1690

                        #12
                        Originally posted by lyman
                        my 2000 w/ V8 is a breeze,

                        and has been very reliable,

                        brine is starting to eat the underside a bit, but it still runs well at 205K
                        This guy put over 1 million miles on a Tundra.

                        What is a Toyota Tundra with more than a million miles worth? For Toyota?s production engineers and team members, the truck?s longevity offers invaluable insight for future products. For Sheppard, it was worth a new truck.

                        Comment

                        • Mike in NC
                          Senior Member
                          • Oct 2009
                          • 280

                          #13
                          TimF, was that the Chevrolet V8 Monza? I think that has a small block V8 as an option for a while.

                          - - - Updated - - -

                          I was an auto mechanic during the 70's. I remember working on this one particular Turbo 911 Porsche. To get to some of the spark plugs, you had to take the motor mount loose and drop the engine down six inches or to get reach the hard to get to those "trouble" spark plugs.
                          Last edited by Mike in NC; 02-15-2021, 04:22.

                          Comment

                          • Tom Trevor
                            Senior Member
                            • Aug 2009
                            • 566

                            #14
                            Yes we had a Monza with V8 . Took bolts out of motor mounts Then jack up engine to get to some plugs.

                            Comment

                            • lyman
                              Administrator - OFC
                              • Aug 2009
                              • 11269

                              #15
                              the mother of a friend in college had a Monza v8,

                              neat idea to shove the V8 in that small car,,


                              but a PITA to service

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