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    #1

    Smog pump (?) Locked up.

    What I believe is the smog pump (someone correct me if I'm wrong) locked up on my brothers 91 MGM today and destroyed the belt. If I'm right about this, the smog pump is the unit attached on the lowest part of the left side of the engine below the a/c compressor if you're looking at it from the front of the car. That being said, is there a way to bypass that and just run a smaller belt to the a/c compressor, or is it a necessity to run the car without issues?

    Sent from my SPH-L720 using Tapatalk
    2010 Toyota Camry "Traveller II "
    54,xxx miles. New daily driver
    2001 Lincoln Town Car Signature "Leroy"
    rear cats deleted, 2" h pipe, dual 8" cherry bomb glasspacks
    114k miles. Sold to my coworker.
    1998 Toyota Camry "Traveller"
    Dead and sold.
    Tags: None
    #2
    k060565 Is the one you need I hear. My Ac left when the smog did so no personal experience.
    1990 Country Squire - under restoration
    1988 Crown Vic LTD Wagon - daily beater

    GMN Box Panther History
    Box Panther Horsepower and Torque Ratings
    Box Panther Production Numbers

    Comment

      #3
      Originally posted by Tiggie View Post
      k060565 Is the one you need I hear. My Ac left when the smog did so no personal experience.
      Thanks! Will that fit around the idler pulley or will I have to remove that? And are there any adverse effects of not using the smog pump or no?

      Sent from my SPH-L720 using Tapatalk
      2010 Toyota Camry "Traveller II "
      54,xxx miles. New daily driver
      2001 Lincoln Town Car Signature "Leroy"
      rear cats deleted, 2" h pipe, dual 8" cherry bomb glasspacks
      114k miles. Sold to my coworker.
      1998 Toyota Camry "Traveller"
      Dead and sold.

      Comment

        #4
        Take it off and throw it away, plug off what you can't remove of whats left, then get a smaller belt.
        You'll still need the idler.

        Comment

          #5
          The shorter belt goes over the stock idler and over the AC compressor.

          Smog pumps are stupid but if you live in a state with smog nazi inspections, you need to have it or you'll fail visual inspection. Functionally it does almost nothing, and I don't believe anyone has ever had any ill effect from removing it other than some goofy noises went away.
          86 Lincoln Town Car (Galactica).
          5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

          91 Lincoln Mark VII LSC grandpa spec white and cranberry

          1984 Lincoln Continental TurboDiesel - rolls coal

          Originally posted by phayzer5
          I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

          Comment

            #6
            Sweet. I'll have to pick a day to go over there and tear all that crap out. Thankfully he don't need his a/c right now so for the time being he'll be okay without it.

            No smog nazis in the county my brother lives in so we're all good there. As far as noises go, could a bad (or going bad) smog pump cause a weird, subtle buzzing sound at idle? I never heard it personally but my brother complained about it alot.

            Sent from my SPH-L720 using Tapatalk
            2010 Toyota Camry "Traveller II "
            54,xxx miles. New daily driver
            2001 Lincoln Town Car Signature "Leroy"
            rear cats deleted, 2" h pipe, dual 8" cherry bomb glasspacks
            114k miles. Sold to my coworker.
            1998 Toyota Camry "Traveller"
            Dead and sold.

            Comment

              #7
              They make all kinds of weirdass noise. Mine sounded like a garbage disposal full of forks so I've bypassed it for now. In another year I have to appease the smog Nazis here in stupid California so i'll hook it back up. That belt # should work, but it may be VERY tight getting it on, mine was.

              Comment

                #8
                Mine started sounding like a procharger about a week before it seized up.

                Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -- Albert Einstein
                rides: 93 Crown Vic LX (The Red Velvet Cake), 2000 Crown Vic base model (Sandy), 2003 Expedition (the vacation beast)

                Originally posted by gadget73
                ... and it should all work like magic and unicorns and stuff.

                Originally posted by dmccaig
                Overhead, some poor bastards are flying in airplanes.

                Comment

                  #9
                  The one on the Towncar sounded like cheesy 1950's alien movies. That warbly flying saucer noise came out from under the hood at idle. The Mark VII sounded like a drunk with a maraca.
                  86 Lincoln Town Car (Galactica).
                  5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

                  91 Lincoln Mark VII LSC grandpa spec white and cranberry

                  1984 Lincoln Continental TurboDiesel - rolls coal

                  Originally posted by phayzer5
                  I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

                  Comment

                    #10
                    Hahahahahahahaha!!!! I love all these descriptions. Yes, smog pumps can make a variety of dumbass sounds. If I didn't live in stupid California I'd have taken the thing out to the desert and shot it full of holes already. It still spins freely so it stays, albeit disconnected for the time being.

                    Comment

                      #11
                      Just curious.
                      Would removal of the belt from the smog pump free up any horse power and /or help fuel economy?
                      90 Colony Park LS with GT 40 heads and intake. HO cam, 65 MM TB, 67 MM EGR spacer. Has a 75 MM Pro Flow mass air sensor. Borla XS mufflers. 3L55. Shift kit, 2000 stall Tq convertor...Bilstein shocks, front and rear sway bars.
                      90 Colony Park LS 64,000 miles all original. 3L55 tow package....front and rear sway bars.
                      91 Grand Marquis GS....HO motor..Bilstein shocks poly bushings and police swaybars. This one handles the best.
                      70 Torino Squire with M code 351 Cleveland 3.00 has Magnaflow mufflers. Hidden headlights and power windows. All original

                      Comment

                        #12
                        Originally posted by stinkydogfilms View Post
                        Just curious.
                        Would removal of the belt from the smog pump free up any horse power and /or help fuel economy?
                        Yep. Enough to make any perceivable difference though? Probably not.

                        Mainly pulling all the smog shit out just really cleans it up under the hood.
                        2020 F250 - 7.3 4x4 CCSB STX 3.55's - BAKFlip MX4
                        2005 Grand Marquis GS - Marauder sway bars, Marauder exhaust, KYB's
                        2003 Marauder - Trilogy # 8, JLT, kooks, 2.5" exhaust, 4.10's/31 spline, widened rear's, metco's, addco's, ridetech's 415hp/381tq
                        1987 Colony Park - 03+ frame swap, blown Gen II Coyote, 6R80, ridetechs, stainless works, absolute money pit. WIP

                        Comment

                          #13
                          If the pump is really dragging from internal failure you might notice it. Otherwise not really.
                          86 Lincoln Town Car (Galactica).
                          5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

                          91 Lincoln Mark VII LSC grandpa spec white and cranberry

                          1984 Lincoln Continental TurboDiesel - rolls coal

                          Originally posted by phayzer5
                          I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

                          Comment

                            #14
                            Aside from noise reduction, I noticed absolutely no difference power-wise or mileage-wise bypassing the smog pump with a short belt. No would be my answer.

                            Comment

                              #15
                              When I pulled up to the parking lot after he called me saying his car was smoking and I inspected the damage, I saw the belt was gone. He said the car kept stalling when he put it in gear and the squealing from the belt was horrible. He was scared to drive it and I told him to fire it up. He was amazed that it actually did. I had remembered him saying a few weeks ago that his car was acting up and was underpowered. So I told him to try and do a burnout when we left the parking lot. He was amazed that it did. So I guess in his case it did give a little more power since the pump had been on its way out for a bit. Enough to do burnouts again at least [emoji6]

                              In the mean time I gotta replace his brake switch and then get a shorter belt for the a/c, and probably the other one as well since it looks pretty bad. Once the weather warms up I'll strip the smog pump and use it for a nice boat anchor

                              Sent from my SPH-L720 using Tapatalk
                              Last edited by 01Townie; 02-05-2016, 07:06 AM.
                              2010 Toyota Camry "Traveller II "
                              54,xxx miles. New daily driver
                              2001 Lincoln Town Car Signature "Leroy"
                              rear cats deleted, 2" h pipe, dual 8" cherry bomb glasspacks
                              114k miles. Sold to my coworker.
                              1998 Toyota Camry "Traveller"
                              Dead and sold.

                              Comment

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