2008 lexus rx 350 serpentine belt diagram. Part Number: 90916A2010. Supersession (s) : 90916-A2010; 99367C2090. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350. Drive Belt - Repair or Replace. A failing …

Step 4 - Replace belt. Pull the belt from the pulleys and route the new one according to the diagrams below. Have a stretched-out coat hanger handy to pull the belt up and over some of the upper pulleys if necessary. When finished, twist the tensioner counter-clockwise and remove the 5mm hex wrench.

2008 lexus rx 350 serpentine belt diagram. Eric. 55,377 satisfied customers. Lexus RX350: 2008 RX350 with 98K miles about to run out of. 2008 RX350 with 98K miles about to run out of the 100K Lexus Platinum VSA. I took in today and they replaced an idler pulley under warranty which … read more.

Step 2 - Loosen water pump bolts. Loosen the four bolts holding the water pump pulley in place before removing the serpentine belt. The tension from the belts will help keep the pulley in place while unbolting it. This can be done later if the special pulley holder tool (SST 09216-00041) is available, but it's not necessary to do it this way.

Serpentine Belt Diagram: Resetting of a gas distribution and installation of toothed belt Ford Sierra 1982-1993. F1g.1. Serpentine Belt Diagram: system of gas distribution Ford Sierra 1982-1993. 1 - crankshaft pulley, 2 - toothed belt, 3 - pulley of a lay shaft, 4 - lay shaft, 5 - pulley of a camshaft, 6 - camshaft, 7 - lever of the valve, 8 - spring …Check if this fits your 2008 Lexus RX350. Application: Pump without Reservoir. Notes: Manufactured new. Supplied with pulley. "IMPORTANT: FAILURE to flush, apply new fluid, and vacuum bleed may result in serious damage to the pump." PRICE: 218.99. $21899. + $ 25.00 Refundable Core Deposit.

Getting Started - Prepare for the repair. 2. Open the Hood - How to pop the hood and prop it open. 3. Check Serpentine Belts - Determine the proper amount of 'give'. 4. More Info. - Additional thoughts on checking the serpentine belts. The video above shows how to check the serpentine belt on your 2007 Lexus RX350 - if it gives more than a half ...Dec 16, 2014 · Step 4 - Replace belt. Pull the belt from the pulleys and route the new one according to the diagrams below. Have a stretched-out coat hanger handy to pull the belt up and over some of the upper pulleys if necessary. When finished, twist the tensioner counter-clockwise and remove the 5mm hex wrench. Sep 24, 2012 · Use this belt diagram to replace the serpentine belt for a 1994-1996 SAAB 9000 CS/CSE/CD/CDE B308 V6 3.0L Part Number: 90916A2026. Supersession (s) : 90916-A2026; 9091602728. BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, GS 350, IS 350, RC 200t, RC 300, RC 350, RX 350, RX 350L, RX 450L. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from ... We currently carry 2 Serpentine Belt products to choose from for your 2008 Lexus RX350, and our inventory prices range from as little as $17.79 up to $42.99. On top of low prices, Advance Auto Parts offers 2 different trusted brands of Serpentine Belt products for the 2008 Lexus RX350.This item: Pulley Idler Kit Febest 0187-GSU45 Oem 16620-31031. $3595. +. Gates K070610 Micro-V Serpentine Drive Belt. $2575. Total price: Add both to Cart. These items are shipped from and sold by different sellers.3 Year Limited Warranty. Number Of Ribs: 7. Top Width (in): 15/16 Inch. Top Width (mm): 24mm. The serpentine belt connects the pulleys of the engine's accessory drive. It is driven by the crankshaft to turn the water pump, power steering pump, A/C compressor, alternator, and more. If the belt stretches or loosens, you may notice some systems on ...Tensioner. RX350. 3.5L, without hybrid. Mark pu107013armxy3. ES350. GS350. 2007-09. IS250, IS350.Serpentine and Timing Belt Diagrams. ES 250. ES 300Serpentine Belt. Part Number: 90916A2019. Supersession (s) : 90916-A2019. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350, RX 450h. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.

Serpentine Belt. Part Number: 90916A2010. Supersession (s) : 90916-A2010; 99367C2090. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood. Step 1 - Remove serpentine belt and various engine covers. In order to reach the thermostat on the Lexus RX, remove the serpentine belt first. After the belt is removed, remove the necessary plastic covers the reach thermostat, which are identifiable by following the radiator pipe that goes into the engine. Figure 1.First, remove the bottom of the back seat. The seat bottoms are held to the body by two metal clips. Feel under the seat until you find the two metal clips where the seat bottom meets the floorboard. Tug on the clips until you hear a pop. From there you'll be able to remove the seat easily.

2007 Audi Q7 V6 3.6L Serpentine Belt Diagram No Comments | Jul 14, 2015 2001-2005 Ford Escape and Mercury Mariner 2.0L, 2.3L and 3.0L Serpentine Belt Diagram

Serpentine Belt. Part Number: 90916A2010. Supersession (s) : 90916-A2010; 99367C2090. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.

Serpentine Belt. Part Number: 90916A2010. Supersession (s) : 90916-A2010; 99367C2090. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood. Serpentine Belt. Part Number: 90916A2019. Supersession (s) : 90916-A2019. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350, RX 450h. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.3 Year Limited Warranty. Number Of Ribs: 7. Top Width (in): 15/16 Inch. Top Width (mm): 24mm. The serpentine belt connects the pulleys of the engine's accessory drive. It is driven by the crankshaft to turn the water pump, power steering pump, A/C compressor, alternator, and more. If the belt stretches or loosens, you may notice some systems on ...Serpentine Belt. Part Number: 9091602592. Supersession (s) : 90916-02592. BELT, V (FOR FAN & ALTERNATOR) Fits GS 430. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.

Serpentine Belt. Belts, Engine, Drive. 2008 Lexus RX 350 F Sport. Genuine Lexus Part - 90916A2027 (90916-A2027, 9091602735)Serpentine Belt. Belts, Engine, Drive. 2008 Lexus RX 350 F Sport. Genuine Lexus Part - 90916A2010 (90916-A2010, 99367C2090)Serpentine Belt. Part Number: 9091602361. Supersession (s) : 90916-02361; 9091602253; 9091602255. BELT, V (FOR FAN & ALTERNATOR) Fits SC 400. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.Serpentine Belt. Affect. Lexus RX 350. Genuine Lexus Part - 99367K1550 (99367-K1550, 99367C1550)81 Answers. SOURCE: 2007 es350 lexus. stopped for gas. when ready to. most likely your key battery needs to be replaced. due to the involvment of the key, it uses alot more battery power then older cars and the battery should be replaced every year. hope that helps. Posted on Aug 23, 2009.(related article: how to change a tire clublexus ) figure 1. place the car on jack stands in order to remove the passenger side wheel. Intro lexus rx350 serpentine belt replacement 2010 2015 jim wong 1.5k subscribers subscribe 29k views 3 years ago serpentine belt replacement on lexus 2010 2015 rx350. i used bando belt.Buy Lexus RX 350 Serpentine Belt. Drive Belt - Repair or Replace A failing drive belt could affect Affect - OEM Lexus Part # 90916A2026 (90916-A2026, 9091602728) Lexus of Fremont [email protected] Toggle navigation. Parts. Accessories; Lexus RX 350 {{loadingIndicator}} 0. Your Cart. Close Cart ...Dec 20, 2021 · 2016 Lexus RX350 V6-3.5L: Service type Serpentine/Drive Belt Replacement: Estimate $213.99: Shop/Dealer Price $256.24 - $343.62 2015 Lexus RX350 V6-3.5L: Service type Serpentine/Drive Belt Replacement: Estimate $193.99: Shop/Dealer Price $236.27 - $323.67 Lexus Rx 350 2008 2009 2010 Workshop Technical Repair Manual. All manuals are window 7, Vista 32 and 64, XP, ME, 98, NT, 2000 supported and work with Mac! ... * Serpentine belt routing diagrams with * TIMING BELT SERVICE PROCEDURES * BRAKE clearance procedures * DRIVING CONCERNS * COMPLETE TORQUEJul 4, 2012 · SOURCE: Lexus RX350 Reset Maintenance required light. PRESS AND HOLD IN THE TRIPOMETER RESET BUTTON. WITH IT IN, TURN THE KEY TO THE ON POSITION WITHOUT STARTING THE ENGINE. THE DISPLAY WILL COUNT DOWN IN HASH MARKS FROM 6 TO 0. AFTER IT REACHES 0 RELEASE THE TRIPOMETER RESET, TURN THE KEY TO THE OFF POSITION. Idler Pulley- Toyota 3.5L 2GRFE & 4.0L 1GRFE 4Runner, Avalon, Camry, FJ Cruiser, Highlander, RAV4, Sienna, Tacoma, Tundra & Venza OEM Serpentine Belt Idler ...A serpentine belt is a modern drive belt or fan belt, and replacing it is a quick service with a cost that varies depending on your car. Get a quote today! ... 2008 Lexus RX350 . 3.5L V6 • 91,200 miles , CA 95678 . $113 - $139 . 2010 Lexus RX350 ...Serpentine Belt. Part Number: 90916A2019. Supersession (s) : 90916-A2019. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350 (2016 - 2020) Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.If you know some car repair basics, you could change the belt yourself, and it may save you paying labor charges somewhere between $75 and $120. All together, you’re looking at around $100 to $195 to replace your serpentine belt. It shouldn’t take more than an hour (two at the most) to repair this simple problem.jaserlet Discussion starter · Nov 15, 2008. My 2004 ML350 broke its serpentine belt a few days ago. I was able to pick up a replacement at a local auto parts store, but I have no diagram for installing it. There is no diagram under the hood and I paged through the owner's manual and cannot find any belt diagrams!Worn serpentine belt noise in a RX330 can indicate impending problems if ignored, while typically being fairly cheap and easy to replace. Depending on your engine, the serpentine belt replacement cost is between $100 and $200. Most vehicles do not need a special serpentine belt tool, but rather a 1/2" breaker bar and a socket on the serpentine ...Serpentine Belt. Part Number: 90916A2010. Supersession (s) : 90916-A2010; 99367C2090. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.2016 Lexus RX350 V6-3.5L: Service type Serpentine/Drive Belt Replacement: Estimate $213.99: Shop/Dealer Price $256.24 - $343.62 2015 Lexus RX350 V6-3.5L: Service type Serpentine/Drive Belt Replacement: Estimate $193.99: Shop/Dealer Price $236.27 - $323.67Serpentine Belt. 3 Year Limited Warranty. Number Of Ribs: 7. Top Width (in): 15/16 Inch. Top Width (mm): 24mm. The serpentine belt connects the pulleys of the engine's accessory drive. It is driven by the crankshaft to turn the water pump, power steering pump, A/C compressor, alternator, and more. If the belt stretches or loosens, you may ...

Serpentine Belt. Belts, Engine, Drive. 2008 Lexus RX 350 F Sport. Genuine Lexus Part - 90916A2027 (90916-A2027, 9091602735)Serpentine Belt. Part Number: 90916A2026. Supersession (s) : 90916-A2026; 9091602728. BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, GS 350, IS 350, RC 200t, RC 300, RC 350, RX 350, RX 350L, RX 450L. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud ...Serpentine Belt. Part Number: 9091602592. Supersession (s) : 90916-02592. BELT, V (FOR FAN & ALTERNATOR) Fits GS 430. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood. Brian Eslick from How to Automotive http://www.howtoautomotive.com takes you step-by-step through the process of replacing the serpentine belt on a 2005-2011...The video above shows how to check the serpentine belt on your 2008 Lexus RX350 - if it gives more than a half inch when pressed, is cracked, frayed or appears shiny, you should change it (or have it changed) immediately.If you’re in the market for a new car, the Lexus RX 350 is a popular choice. While this luxury SUV is known for its reliability and comfort, it can come with a hefty price tag. But don’t let that deter you – with some smart negotiating tact...Notes: Serpentine Belt Drive Component Kit. Accessory Drive. Accessory Drive Belt Kit. Kit includes Poly-V, tensioner assembly and idler pulleys. PRICE: 401.99; Belt Material: EPDM

141 posts · Joined 2007. #1 · Sep 24, 2010. So I started getting this horrible sound coming from the front of the engine. I narrowed it down to something on an accessory drive, specifically either the water pump or the belt tensioner. However, no cooling problems or leaks at all, and the tensioner portion works great.Step 4 - Replace belt. Pull the belt from the pulleys and route the new one according to the diagrams below. Have a stretched-out coat hanger handy to pull the belt up and over some of the upper pulleys if necessary. When finished, twist the tensioner counter-clockwise and remove the 5mm hex wrench.Jul 8, 2019 · Serpentine belt replacement on Lexus 2010-2015 RX350. I used Bando belt 7PK1550 from Rockauto and 14mm serpentine belt tool. It should be similar to 2nd ge... SOURCE: belt routing diagram 98 zx2 2.0. 1) Start with the alternator. 2) Forward to the smooth idler. 3) Forward to power steering. 4) Down to A/C compressor. 5) Back to crank pulley. 6) Forward around tensioner. 7) Back glancing …jaserlet Discussion starter · Nov 15, 2008. My 2004 ML350 broke its serpentine belt a few days ago. I was able to pick up a replacement at a local auto parts store, but I have no diagram for installing it. There is no diagram under the hood and I paged through the owner's manual and cannot find any belt diagrams!Mar 19, 2017 · So my buddy has a 2007 Rx350 and has been experiencing a high pitch noise in the engine bay. After diagnosing it, turns out it was the belt tensioner pulley. After going to Advance auto, Autozone, oreillys, lexus dealership and Toyota dealerships; turns out they don't sell the tensioner pulley it... Serpentine Belt. MITSUBOSHI, BANDO, Engine. 2007 Lexus RX 350 F Sport. Genuine Lexus Part - 99366H2230Part Number: 1660431030. Supersession (s) : 16604-31030. PULLEY SUB-ASSY, IDLER, NO.2. Fits ES 350, GS 350, IS 350, RC 200t, RC 300, RC 350, RX 350, RX 350L, RX 450L. Drive Belt Idler Pulley - Repair or Replace. If you've noticed that the drive belt on your 2008 Lexus RX 350 is becoming worn or is making a squealing noise, your drive belt idler ...Serpentine Belt. Part Number: 90916A2010. Supersession (s) : 90916-A2010; 99367C2090. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.Serpentine Belt. Part Number: 90916A2010. Supersession (s) : 90916-A2010; 99367C2090. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood. Serpentine Belt. Part Number: 90916A2010. Supersession (s) : 90916-A2010; 99367C2090. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood. Be prepared and have your 5mm hex key handy. Working from inside the wheel well, place the 14mm wrench or socket onto the tensioner bolt. Rotate the bolt counter-clockwise towards the front of the car. While holding it rotated, slide the 5mm hex key into the hole below it to lock it into place. Remove the wrench and remove the serpentine belt.Serpentine Belt. Part Number: 90916A2019. Supersession (s) : 90916-A2019. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350, RX 450h. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.A typical drive belt costs anywhere between $25 to $75. In addition, labor charges are estimated to be between $75 and $120. So in total, you can expect to pay anywhere from $100- $200 for a drive belt replacement. However, this range doesn’t include taxes and fees.Jan 5, 2015 · Figure 6. 4GR-FSE engine drive/serpentine belt diagram (Lexus IS 250). Figure 7. 2GR-FSE drive/serpentine belt diagram. If the upper radiator hose was removed earlier, reattach it now and top off any lost coolant. Start the motor to give the belts a quick test. Serpentine Belt. Part Number: 90916A2010. Supersession (s) : 90916-A2010; 99367C2090. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.Serpentine Belt. Part Number: 90916A2019. Supersession (s) : 90916-A2019. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350, RX 450h. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.Vehicle Fitment. Year, Make, Model, Body & Trim, Engine & Transmission. 2017, Lexus, LS460, Base, F Sport, L, 4.6L V8 - Gas. 2016, Lexus, LS460, Base, ...Serpentine Belt. Belts, Engine, Drive. 2008 Lexus RX 350 F Sport. Genuine Lexus Part - 90916A2010 (90916-A2010, 99367C2090)

Whether you’re struggling with routing that long serpentine belt for your vehicle or stuck with a broken belt on your snowmobile, having the right belt routing diagrams makes the project much easier. Check out this guide to finding belt rou...

The serpentine belt in your RX350 connects your engine to many of the components you use every day such as your air conditioner, battery (via the alternator), power steering …

The 2008 Lexus RX 350s don't have timing belts -- they have chains. The change from timing belts to chains began with the 2007 Lexus RX350s. I had a used car dealership try to sell me a 2009 RX350 and it was close to 100k miles and I wanted to know how much that maintenance cost and what all was done to negotiate that into the price.Car Service Estimate Shop/Dealer Price; 2007 Lexus RX350 V6-3.5L: Service type Loud squealing or squeaking is coming from timing belt Inspection: Estimate $114.99: Shop/Dealer Price $132.49 - $145.62: 2009 Lexus RX350 V6-3.5L: Service type Loud squealing or squeaking is coming from timing belt Inspection: Estimate $94.99: …Serpentine Belt. Part Number: 90916A2019. Supersession (s) : 90916-A2019. . BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, RX 350, RX 450h. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.Serpentine Belt Replacement Cost. Regular maintenance of an automobile prolongs its life and reduce. Here is a serpentine belt diagram for a 2008 Lexus RX350 V6 3.5L.The serpentine belt in your RX350 connects your engine to many of the components you use every day such as your air conditioner, battery (via the alternator), power steering and cooling system - a quick look at the serpentine belt diagram outline all of the components feeding from it. Serpentine belt vs timing belt?Dec 21, 2022 · D.I.Y. - How to replace the serpentine belt in just 10-minutes.Toyota part number 99367-K1550.Lexus dealer retail price $47.99 + sales tax.Tools: 1. A regula... A drive belt tensioner is designed to last the entire lifespan of a vehicle. So, you won’t need to replace it often. In fact, it’s more likely you’ll need a v-belt or serpentine belt replacement before you need a tensioner replacement. On average, belt tensioners need a replacement once your vehicle nears the 125,000 miles mark.Serpentine Belt. Part Number: 90916A2033. Supersession (s) : 90916-A2033; 9091602759; 90916A2023. BELT, V (FOR FAN & ALTERNATOR) Fits GX 460, LX 570. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood.

skyrim corundumken pisciotta river rock innkaiser permanente choose my doctorcraigslist transportation jobs phoenix az 2008 lexus rx 350 serpentine belt diagram cleveland craigslist cars and trucks by owner only [email protected] & Mobile Support 1-888-750-6695 Domestic Sales 1-800-221-3377 International Sales 1-800-241-8643 Packages 1-800-800-4750 Representatives 1-800-323-9206 Assistance 1-404-209-3043. Serpentine Belt. Part Number: 99366D1930. Supersession (s) : 9008091168; 9091602412; 90916A2006; 99366-D1930. BELT, V (FOR FAN & ALTERNATOR) Fits GS 300, IS 300. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud squealing sound from under the hood .... g switch unblocked 76 141 posts · Joined 2007. #1 · Sep 24, 2010. So I started getting this horrible sound coming from the front of the engine. I narrowed it down to something on an accessory drive, specifically either the water pump or the belt tensioner. However, no cooling problems or leaks at all, and the tensioner portion works great.Serpentine Belt. Part Number: 90916A2026. Supersession (s) : 90916-A2026; 9091602728. BELT, V (FOR FAN & ALTERNATOR) Fits ES 350, GS 350, IS 350, RC 200t, RC 300, RC 350, RX 350, RX 350L, RX 450L. Drive Belt - Repair or Replace. A failing drive belt could affect the performance of your vehicle's auxiliary systems, not to mention a loud ... sentinel review obitsmut squads madden 23 not working Lexus Rx 350 2008 2009 2010 Workshop Technical Repair Manual. All manuals are window 7, Vista 32 and 64, XP, ME, 98, NT, 2000 supported and work with Mac! ... * Serpentine belt routing diagrams with * TIMING BELT SERVICE PROCEDURES * BRAKE clearance procedures * DRIVING CONCERNS * COMPLETE TORQUE sacramento california craigslisttorres fresh market weekly ad New Customers Can Take an Extra 30% off. There are a wide variety of options. Advance Auto Parts has 6 different Serpentine Belt for your vehicle, ready for shipping or in-store pick up. The best part is, our Lexus RX350 Serpentine Belt products start from as little as $16.99. When it comes to your Lexus RX350, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top ...Apr 14, 2019 · Lexus ES: How to Replace Serpentine Belt. Step 4 - Install new belt. Study the diagram in Figure 5 below to be sure the belt is installed in the correct orientation. Slip the the belt onto all pulleys except the tensioner. Once the belt is on all but that one, you can use the socket to rotate it counter-clockwise again, remove the hex key. Step 1 - Remove serpentine belt and various engine covers. In order to reach the thermostat on the Lexus RX, remove the serpentine belt first. After the belt is removed, remove the necessary plastic covers the reach thermostat, which are identifiable by following the radiator pipe that goes into the engine. Figure 1.