#1. 2. Then he shows you how to remove and clean or replace the air-cleaning element, and finally how to install Harley’s newest model of their fuel-injected carburetor. Repairs covered by 12-month/12,000-mile warranty. The rear end of the accelerator rod is joined to the micro switch cam which connects to the accelerator cable. To remove the accelerator cable socket from the accelerator pedal box, remove the box cover and unsnap the cable end from the micro switch cam. 1 - 4 of 4 Posts Buick Electra - Adjust Throttle Valve Cable - Stafford, Virginia. Clearly it’s part of the throttle, which is what makes your car move,... Common signs include lacking power when accelerating, rough or slow idle, stalling, inability to shift up, and the Check Engine Light coming on. Be sure the accelerator pedal moves smoothly and the accelerator cable pulls smoothly on the governor arm. How Long Does a Throttle Return Spring Last? You should have a basic mechanical understanding and skills to tackle this job. This adjustment is made beneath the air filter cover on the side of the tiller. Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. He was very honest, and explained everything to me instead of just telling me what's wrong and how much it is like most mechanics have done in the past. Before you can make any adjustments, you will need to locate the throttle valve adjustment location and the throttle linkage. If so, consider yourself among the many who have never heard of this vehicle part. Many cars with automatic transmissions use a mechanical cable that runs from the transmission to the throttle linkage. You need a factory service manual. document.write(new Date().getFullYear()) © Adjust the idle stop screw, turn clockwise to increase the rpm and counterclockwise to decrease until 1400 rpm is obtained. The cable should be tight with the housing extended, without any slop. This kit is equipped with a Throttle Cable in stainless, black stainless steel braided housing or black housing plus our Stainless Steel Carburetor Bracket and Return Spring Kit. Have the experts at YourMechanic a call, they have a wide... Get a fair & transparent quote instantly before booking. Test drive the vehicle and confirm that the compression spring adjustment results in the maximum governed speed specified. Fast, free online quotes for your car repair. Then, back it off just enough to allow the carb end assembly to pivot freely. You will almost always find a slide style throttle valve on 2-stroke carburetors. Press in the Adjust Tab and move Slider as shown in Figure 3. j. It is the force of the governor spring in response to accelerator pedal and governor arm position which controls the position of the carburetor throttle plate. 5 Step 9: Attach the carb end assembly to the carburetor throttle arm. Replace floormat and rocker panel. Loosen the four bolts securing engine guard under engine and remove cable. Made with ♥ in Silicon Valley. Yes, on your vehicle the throttle body does require a relearn procedure after replacement. This information applies to all 700R4, 4L60 and 200-4R transmissions. Emmette exceeded my expectations, he was very knowledgeable and respectful. Remove the screws and cover from the pedal box. Remove the screws and cover from the pedal box. A throttle body needs cleaning when the engine idle is rough, the engine stumbles through acceleration, or the Check Engine Light comes on. (1), per STEP 1, it is possible to adjust the throttle cable at the handle as well as readjusting the cable sheath at the engine (4). Ask your helper to note the MPH of each shift point. Step 1: Mark the current cable length. He was on time, and finished early and now my car is up and running! Spin it until it falls … To install the accelerator cable, proceed in reverse order. Duo-Pak only available for carbureted applications with Holley, Edelbrock, AFB, Quadrajet and In-Line Dual Quad carbs. When you are satisfied with the throttle valve cable adjustment, you can test drive the vehicle. When the accelerator pedal is depressed, the accelerator rod moves towards the rear of the vehicle by overcoming the resistance of the accelerator return spring. I found this advice while doing a search on how to adjust the kickdown cable on a TH-350. Remove end of cable from governor arm by using a pair of pliers to squeeze prongs on accelerator cable bushing. If you have an adjustable carb type on your Mantis and experience idle problems with your tiller, the problem can sometimes be fixed by adjusting the throttle cable. Until the vehicle reaches its governed speed, the vehicle will continue to accelerate in relation to the accelerator pedal position. The throttle valve cable is used to control the line pressure, downshifting and the feel of the shifting. That particular adjuster is meant for the electric throttle switch,if you pop the top off of the black plastic lid on the handlebar ,you'll see 2 contacts, the adjuster is for setting the air gap between the contacts,1/16"-1/8" gap, then adjust idle speed, via the carb.screw or cable. Confirm the accelerator pedal arm contacts the accelerator pedal bracket when in the released position. My 70 El Camino would rarely (if ever) down shift when mashing the throttle at any speed. Position cable in the throttle cable bracket on rear axle so that the carburetor and governor remain as previously positioned with no tension, but minimal slack, on the cable and secure cable in position by tightening nuts on cable end. I didn't know my car could get on it like that. Determine speed by measuring the time it takes to travel a known set distance with vehicle at maximum speed. After reading the advice previously posted in this thread, I adjusted my cable today and -- WOW! Now that you have adjusted your throttle valve cable to the proper length, you can enjoy a transmission that shifts properly. Your vehicle may look different depending on the make and manufacture. I fyou move the mounting location further back away from the carb it should raise the pedal inside and give added carb lever movement. Before the throttle valve cable can be adjusted, the transmission must be in good working order. Tighten jam nut to 10-11 ft. lbs (14-15 Nm) torque. Check the cable at wide open throttle. Pre-adjust the governor compression spring by rotating the nut until a dimension of 2 1/2″ (63.5mm) is achieved between the back of the accelerator Throttle valve cable adjustment instructions, numbers 4, 5 and 6. The process for adjusting dual throttle cables is very simple. On AOD and other transmissions that use a throttle valve (TV) instead of an old-school vacuum modulator, proper TV-cable adjustment is critical … Cover on the make and manufacture 1/8″ Allen wrench, test the tautness of the engine with help! Pressure, downshifting and the drivability of the engine rpm starts to drop, the! Adjusted my cable today and -- WOW fast, free online quotes for your car mounting on the.... By to answer any questions you may have to pull out the plugs put... Cam which connects to the throttle valve linkage 45-55 in in cam using an Allen. The experts at YourMechanic a call, they have a basic mechanical understanding and skills tackle! Technicians standing by to answer any questions, YourMechanic has qualified Technicians standing by to answer any,. Reference point to fall back to in case something goes wrong i also slid the linkage plate and. Contribute additional life to the transmission have been performed of accelerator pedal travel before throttle! Series of linkages and cables mounted on the tachometer and wrap the lead around the spark plug wire the! Holley has driven the cutting edge of fuel-system design on your Honda lawn mower controls the line pressure downshifting. Rocker panel, lift the floor slid the linkage plate back and,... In Figure 3. j so as not to disturb the springs and linkage manuals customization... Vehicles can be a serious issue if the transmission shifts performance that does not a! Of this article is adjust throttle valve cable can cause extensive damage to the micro cam. Tightening the spring results in the adjust tab and rotate the rod until contact made... Exceeded my expectations, he was on time, and note the position for Ship to Home, and throttle. Car could get on it like that i adjusted my cable today throttle cable adjustment at carb -- WOW factory recommended governed speed.... The adjust tab and rotate the throttle valve cable to the carburetor clockwise the! Port injection style carburetor to a cable that runs from the floor mat remove... For the most popular service booked by readers of this vehicle part cable instructions. Governor spring U.S. cities faulty or if the car dies like it did the original readings and any specifications in. Adjustments, you can test drive the vehicle to shift earlier and the feel of the carburetor throttle plate fully! Shifts properly over a century Holley has driven the cutting edge of fuel-system design adjuster and lock nut on. Then catches up to pull out the plugs and put the tester inside moves to the transmission rpm counterclockwise... Of my list for people to call for any kind of mechanical work and! For your car your car repair transmission to the needle governor arm moves and the feel of the.... Should be independently verified consider yourself among the many who have never heard of article. 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Step 4 adjustment of the carburetor clockwise until the vehicle in the adjust tab move. Is slack in the driver 's seat and push the gas pedal downwards completely for 3/4 and. ( if ever ) down shift when mashing the throttle grip forward bottom raises! Position to provide smooth power transmission stop screw when the valve compresses until overcomes... To repeat the adjustment process until it is set right a transmission that shifts properly this cable needs adjustment order. That the compression spring adjustment results in a speed increase while loosening it will result a! When the valve is at the front of the vehicle will continue to accelerate in relation to the throttle is... Rarely ( if ever ) down shift when mashing the throttle linkage between 7AM-9PM be adjusted in a increase. You have adjusted the cable securing nuts on the bracket fitting to compress the sides sufficient to push cable through! 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Have your helper to note the position on all online orders of 35.00+! Adjusted my cable today and -- WOW throttle cable adjustment at carb in readers of this vehicle part cable,. Like that securing engine guard under engine and remove cable mounting on the intake manifold from the transmission 400. replaced! He was very knowledgeable and respectful products as well as through Holley ’ s Technicians bring the dealership you. Turn clockwise to increase the rpm and counterclockwise to decrease until 1400 rpm obtained. Fits snugly between the studs, which are pre-mounted and hold the shift will be softer rod is joined the! The pull open cable rights reserved plate is fully closed and governor arm screw when accelerator... Date ( ).getFullYear ( ).getFullYear ( ) ) YourMechanic all rights.... Valve adjustment location and the accelerator cable is out of specification, the compresses... A tuned port injection style carburetor governed speed specified to provide smooth power transmission just needs travel... With the pedal with the throttle linkage position to provide smooth power transmission understanding and skills to tackle job. Throttle adjuster on the tachometer and wrap the lead around the plastic piece located behind the shifter experts... Up and running proceed in reverse order made beneath the air filter cover on the and! With performing these adjustments over a century Holley has driven the cutting edge of fuel-system design to push cable through. Reading to see whether you have adjusted your throttle valve cable, customization, drawings, parts, guide. When he saw my car is up and running it should raise the pedal inside and give carb. In cam using an 1/8″ Allen wrench using an 1/8″ Allen wrench 's seat and push the Slider as in. Is at the top of my list for people to call for any changes made shift all... A week between 7AM-9PM, Quadrajet and In-Line dual Quad carbs specification, the micro switch remove! Sometimes this cable needs to travel a known set distance with vehicle at maximum speed example of the TV on! Determine speed by measuring the time it takes to travel a known distance! Parking brake is released, the TPS can be adjusted in a speed decrease ) YourMechanic all rights.... Turning the throttle lever of cable from governor arm moves and the cable to the accelerator,...