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Acura · Known Issues

1996-2012 Acura RL Problems: 6 Known Issues

1996-2012 model years · 780+ owner reports · Updated September 2026

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Issue summary

According to Au7o's analysis of 780+ owner reports, the 1996-2012 Acura RL has 6 documented known issues, with 4 rated critical. The most serious are Timing belt + hydraulic tensioner replacement at 90k mi / 72 months — interference engine ($1,400-$2,800 repair), Recall 20V027000: Moisture-Absorbing NADI Inflator in Replacement Driver Air Bags, NHTSA recall 99V069000: front lower ball joints may wear prematurely and separate and 3.5RL Driver Airbag Inflator Can Rupture or Underinflate — NHTSA Recall 20V026000. The most commonly reported issue is SH-AWD Torque Transfer Unit / Rear Differential Clutch Noise with 780 owner reports. Across all issues with published estimates, repair costs range from $150 to $3,000. DIY maintenance guides at au7o.io.

In This Article

  • RL Safety/Recalls2
  • RL Engine1
  • RL Suspension1
  • RL Drivetrain1
  • RL Electrical1
  • Recalls8
  • FAQ
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In This Article

  • Safety/Recalls2
  • Engine1
  • Suspension1
  • Drivetrain1
  • Electrical1
  • Recalls8
  • FAQ

All 6 Known Issues

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ALL YEARS20122011201020092008200720062005200420032002200120001999199819971996

The 2000-2003 Acura 3.5RL is one of the vehicles named in NHTSA recall 20V027000. The problem is not the air bag the RL left the factory with — it is a replacement driver frontal air bag module that some of these sedans received during a past vehicle repair. Honda reports a manufacturing issue with the NADI inflator in those replacement modules: the inflator may absorb moisture. If it has, the inflator can rupture during deployment and send metal fragments toward the driver or other occupants, or the cushion can underinflate and fail to properly protect the driver. Given the RL's age, many of these cars have had multiple owners and multiple repairs, so the repair history that determines whether your car is covered may not be known to you. The 875,966-vehicle figure attached to this recall is the total across the whole campaign, not an RL-specific count.

How to Fix

Acura dealers perform this work free of charge: they inspect the air bags and replace the driver frontal air bag inflator with an inflator of a different design where necessary. Notification to owners began October 1, 2020. Enter your VIN at nhtsa.gov/recalls to confirm whether 20V027000 is open on your RL — that is the only dependable way to check on a car this old — or call American Honda's Customer Support & Campaign Center at 1-888-234-2138.

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

The 1998-2000 Acura 3.5RL is one of the vehicles covered by NHTSA recall 20V026000. Its driver frontal airbag uses a Non-Azide Driver airbag Inflator (NADI), which contains no phase stabilized ammonium nitrate (PSAN) propellant. Honda found that a manufacturing issue lets these inflators absorb moisture. The consequence shows up only when it matters most: in a crash that deploys the driver airbag, the inflator may rupture and spray metal fragments at the driver or other occupants, or the cushion may underinflate and fail to properly protect the person behind the wheel. NHTSA classes the risk as serious injury or death. This is a separate campaign from PSAN inflator recalls that also touched Honda products, so an RL that had earlier airbag work may still be open on this one. The 1,439,841-vehicle figure in the filing is the total for the whole campaign across all makes and models involved.

How to Fix

Repair is free of charge at an Acura dealer. The dealer inspects the driver frontal airbag inflator and, where required, fits an inflator of a different design that is not subject to the moisture problem. Owner notification started October 1, 2020. Verify your specific car by entering the VIN at nhtsa.gov/recalls — that will show whether the 3.5RL still has an open remedy — or contact American Honda's Customer Support & Campaign Center at 1-888-234-2138.

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026

The first-gen RL's 3.5L C35A V6 is part of the Honda C-series V6 family, which is widely documented as interference design (valves and pistons share rotational space, separated only by timing belt synchronization). The published timing belt interval is 105,000 miles or 84 months per the maintenance schedule. The hydraulic timing belt tensioner on this generation has been reported by independent shops as a known failure point: the internal oil seal leaks, the tensioner loses pressure, the belt can jump a tooth or two, and valves can hit pistons. Multiple sources caution that aftermarket tensioners have a worse failure rate than OEM Honda or Aisin — pay for the OEM-equivalent kit. Note: belt replacement intervals are sometimes quoted as shorter (90,000 mi) by independent shops as a conservative buffer, but the manufacturer-published interval per Acura is 105k/84 months for this engine family.

Common Symptoms

  • Squealing or rattling from front of engine (tensioner bearing or pulley)
  • Coolant leak from timing cover (water pump weep)
  • Oil pooling at base of timing cover (failed crank seal)
  • Engine cranks but doesn't start after belt jumps a tooth
  • Loud metallic clatter on cranking (valves striking pistons after belt failure)

How to Fix

Replace the timing belt, tensioner, water pump, idler pulley, and required front seals as one service. Match the kit to the 1996–1999 C35A application and verify the tensioner manufacturer before installation; no current AISIN TKH-022 application was verified. Never perform a belt-only service on this interference engine.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • 1996–2004 Acura RL timing-belt and water-pump kit

    Verified repair kit. Approved replacement: 1996–2004 Acura RL timing-belt and water-pump kit.

    Partsgeek

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

  • WarningUse a genuine Honda tensioner or a current independently verified OE-quality application. Do not assume an AISIN kit number from another Honda/Acura engine fits the C35A.
  • TipNever accept a 'just the belt' service quote. Replacing the belt without the water pump or tensioner is a 30,000-mile-deferred second teardown. Do it all once.
Typical repair cost:$1,400 - $2,800

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Manually Verified
High ConfidenceVerifiedReviewed May 2026

Acura RL sedans from the 1996–1998 model years fall under NHTSA recall 99V069000. The defect is in the front suspension lower ball joints, which were built such that they can wear out prematurely. The failure mode NHTSA describes is separation of the ball joint — at that point the front suspension collapses. What the driver experiences, per the recall record, is the vehicle decelerating with a sudden loss of power and a reduction in steering controllability. Because this is a wear-driven defect, an RL that has never had the recall performed does not become safe with age; the risk is the joint eventually letting go. The 124,875 units cited by NHTSA is the total for the entire campaign, spanning every vehicle line included in it.

Common Symptoms

  • Reduced steering controllability
  • Sudden loss of power / vehicle decelerating unexpectedly
  • Front suspension collapse following ball joint separation

How to Fix

Take the RL to an Acura dealer, where the front suspension lower ball joints are replaced at no charge under the recall. Recall work carries no expiration and is free regardless of ownership history. Check the VIN at nhtsa.gov/recalls first — it will show whether this campaign applies to your car and whether it still shows as an open, unrepaired recall.

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Community Reported
High ConfidenceVerifiedReviewed Aug 2026
Community reported
780 owners

The 2nd-gen RL's Super Handling All-Wheel Drive uses a torque transfer unit (TTU) at the transaxle output plus a rear differential containing electromagnetic clutch packs for variable side-to-side torque distribution. With age and fluid breakdown, both can develop a low-speed grinding or moaning noise — most often the rear unit's electromagnetic clutches when SH-AWD fluid is contaminated or below spec.

This issue also affects: Acura TL

Common Symptoms

  • Grinding noise from rear during turns
  • Whining that increases with speed
  • AWD system warning light illumination
  • Clunking from rear during parking maneuvers
  • Reduced traction in slippery conditions

How to Fix

Drain and refill the rear differential with Honda Dual Pump II fluid — do NOT use conventional gear oil. If noise persists after fluid change, the rear differential unit needs rebuilding with new clutch packs. Replace the electromagnetic actuators if they are not engaging properly. Regular fluid changes every 30,000 miles prevent premature clutch pack wear.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Honda Dual Pump Fluid II 08200-9007

    Verified repair fluid. Approved replacement: Honda Dual Pump Fluid II 08200-9007.

    eBay

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

  • TipChange the rear diff fluid to Honda Dual Pump II every 30,000 miles — this is the single most neglected maintenance item on the RL and the most common cause of SH-AWD noise. Most independent shops use the wrong fluid which accelerates clutch pack wear.
Typical repair cost:$300 - $3,000

Research This Issue

Based on 780 owner reports

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Community Reported
High Confidence780 owner reportsLast reported by owners Apr 2025Reviewed Mar 2026

Like every C-series V6 Honda used in the 1990s and 2000s (Legend, NSX, CL, TL, RL all share the family), the RL's 3.5L C35A V6 has a distributor mounted at the back of the head and driven directly off the camshaft. Inside the distributor housing, an oil seal isolates the cam-driven shaft from the cap/rotor/electrical assembly above. By 100,000 miles the seal hardens, oil pressure forces engine oil past the shaft, and the cap fills with oil. Result: misfires (typically P0300 random plus individual cylinder codes P0301-P0306 since this is a V6), rough idle, hesitation. RepairPal explicitly lists distributor O-rings as one of the most common Acura RL oil leak points. The figure-8 oil cooler seal and oil filter housing gasket are the other two common leaks on this engine — diagnose carefully before assuming distributor. The C35A engine remained in the first-gen RL through the entire 1996-2004 production run, so this issue affects all years.

This issue also affects: Acura Integra, Acura MDX, Acura RDX

Common Symptoms

  • Oil pooling inside the distributor cap when removed
  • Engine misfires, especially under load or after warm-up
  • Check engine light with P0300 random misfire or P0301-P0306 single-cylinder
  • Rough idle that smooths out with throttle
  • Visible oil at the rear of the engine, dripping down the back of the block

How to Fix

There is no replaceable seal inside the distributor — the seal is between the rotating shaft and the bearing inside the cast housing. The only fix is replacing the whole distributor assembly. OEM Honda runs $400-700; Cardone remanufactured runs $150-250. While the distributor is out, also replace the distributor cap, rotor, and ignition wires — they're cheap and you're already at the parts. Inspect the cap and rotor on the old unit for oil contamination to confirm distributor was the source. If you also see leaks elsewhere (figure-8 cooler seal, oil filter housing), address those at the same time — they share access path. Total job: 2-3 hours independent shop.

Owner tips & cautions

  • TipReplace cap + rotor + ignition wires at the same time as the distributor. You're already there. Saves a future labor cycle.
  • WarningDon't assume distributor without inspection. RepairPal also lists the oil cooler 'figure-8' O-ring and oil filter housing gasket as common RL leaks. Pull the cap and check for oil before buying the distributor.
Typical repair cost:$150 - $700

Research This Issue

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Manually Verified
High ConfidenceVerifiedReviewed May 2026
NHTSA Recalls8 recalls

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain 2014 Honda Ridgeline vehicles nationwide. Honda is also recalling certain 2011-2012 Acura RL, 2011 Honda Element and 2011-2013 Ridgeline vehicles in Arizona, Arkansas, Delaware, the District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia. Lastly, if not included above, Honda is recalling certain 2010-2011 Honda Element, 2010-2012 Acura RL and 2010-2013 Ridgeline vehicles in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag air bag inflators assembled as part of the frontal air bag modules, and used as original equipment or replacement equipment (such as after a vehicle crash necessitating replacement of the original air bags), may explode due to propellant degradation occurring after long-term exposure to higher absolute humidity, temperature and temperature cycling.

Campaign #18V66200027/09/2018

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain 2003-2006 Acura MDX, 2005-2012 RL, 2003-2007 Honda Accord, 2001-2005 Civic, 2003-2005 Civic Hybrid, 2001-2005 Civic GX NGV, 2002-2006 CR-V, 2003-2011 Element, 2007-2008 Fit, 2002-2004 Odyssey, 2003-2008 Pilot, and 2006-2014 Ridgeline vehicles. The vehicles are equipped with passenger frontal air bag inflators assembled as a recall remedy part or replacement service part, that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

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Frequently Asked Questions

What are the most common Acura RL problems?

According to Au7o's analysis of 780+ owner reports, the 1996-2012 Acura RL has 6 documented issues. The most frequently reported are: Timing belt + hydraulic tensioner replacement at 90k mi / 72 months — interference engine, Recall 20V027000: Moisture-Absorbing NADI Inflator in Replacement Driver Air Bags, NHTSA recall 99V069000: front lower ball joints may wear prematurely and separate. Of these, 4 are rated critical and should be addressed promptly.

Is the Acura RL reliable?

The 1996-2012 Acura RL has 6 known issues documented across 780+ owner reports. 4 issues are rated critical: Timing belt + hydraulic tensioner replacement at 90k mi / 72 months — interference engine and Recall 20V027000: Moisture-Absorbing NADI Inflator in Replacement Driver Air Bags and NHTSA recall 99V069000: front lower ball joints may wear prematurely and separate and 3.5RL Driver Airbag Inflator Can Rupture or Underinflate — NHTSA Recall 20V026000. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Acura RL problems?

Repair costs for known Acura RL issues range from $150 to $3,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Timing belt + hydraulic tensioner replacement at 90k mi / 72 months — interference engine, typically costs $1,400-$2,800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What year Acura RL is the most reliable?

Reliability varies across model years of the Acura RL. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 1996-2012 Acura RL with 6 documented issues documented across 780+ owner reports.

What is the 1996-1999 Acura RL Timing belt + hydraulic tensioner replacement at 90k mi / 72 months — interference engine?

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data sourced from 780+ owner reports, NHTSA recalls, TSBs, and automotive forums.

Campaign #19V50100027/06/2019

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain 2010-2012 Acura RL, 2010 Honda Element, and 2010-2013 Honda Ridgeline vehicles ever registered in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." Additionally, Honda is recalling certain 2010 Acura RL, 2010-2011 Honda Element and Honda Ridgeline vehicles ever registered in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B." If not included in zones A or B above, Honda is recalling certain 2009 Acura RL, Honda Element, and Honda Ridgeline vehicles ever registered in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming or "Zone C." These vehicles are equipped with certain inflators assembled as part of the frontal air bag modules, and used as original equipment or replacement equipment (such as after a vehicle crash necessitating replacement of the original air bags), may explode due to propellant degradation occurring after long-term exposure to higher absolute humidity, temperature and temperature cycling.

Campaign #18V04100009/01/2018

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain 2005-2006 Acura MDX and Honda CR-V vehicles, 2005-2011 Honda Element vehicles, 2005-2012 Acura RL vehicles, 2006-2012 Honda Ridgeline vehicles, 2007-2008 Honda Fit vehicles and 2005-2008 Honda Pilot vehicles originally sold, or ever registered, in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." Additionally, if not included in "Zone A" above, Honda is recalling certain 2005-2006 Acura MDX and Honda CR-V vehicles, 2005-2009 Acura RL and Honda Element vehicles, 2007-2008 Honda Fit vehicles, 2005-2008 Honda Pilot vehicles and 2006-2009 Honda Ridgeline vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Additionally, if not included in "Zone A" or "Zone B" above, Honda is recalling certain 2005-2006 Acura MDX and Honda CR-V vehicles, 2005-2008 Acura RL, Honda Element and Honda Pilot vehicles, 2007-2008 Honda Fit vehicles and 2006-2008 Honda Ridgeline vehicles originally sold, or ever registered in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Campaign #17V02900010/01/2017

AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

Honda (American Honda Motor Co.) is recalling certain model year 2007-2011 Honda CR-V, 2011-2015 CR-Z, 2010-2014 FCX, and Insight, 2009-2013 Fit, 2013-2014 Fit EV, 2007-2014 Ridgeline, 2013-2016 Acura ILX, 2013-2014 Acura ILX Hybrid, 2007-2016 RDX, 2005-2012 Acura RL, 2009-2014 Acura TL, and 2010-2013 Acura ZDX vehicles. The affected vehicles are equipped with a dual-stage driver frontal air bag that may be susceptible to moisture intrusion which, over time, could cause the inflator to rupture.

Campaign #16V06100003/02/2016

+ 3 more recalls. Check all on NHTSA.gov

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

The first-gen RL's 3.5L C35A V6 is part of the Honda C-series V6 family, which is widely documented as interference design (valves and pistons share rotational space, separated only by timing belt synchronization). The published timing belt interval is 105,000 miles or 84 months… Repairs typically run $1,400-$2,800. Severity: high.

What is the 2000-2003 Acura RL Recall 20V027000: Moisture-Absorbing NADI Inflator in Replacement Driver Air Bags?

The 2000-2003 Acura 3.5RL is one of the vehicles named in NHTSA recall 20V027000. The problem is not the air bag the RL left the factory with — it is a replacement driver frontal air bag module that some of these sedans received during a past vehicle repair. Honda reports a manuf… Severity: high.

What is the 1996-1998 Acura RL NHTSA recall 99V069000: front lower ball joints may wear prematurely and separate?

Acura RL sedans from the 1996–1998 model years fall under NHTSA recall 99V069000. The defect is in the front suspension lower ball joints, which were built such that they can wear out prematurely. The failure mode NHTSA describes is separation of the ball joint — at that point th… Severity: high.

What is the 1998-2000 Acura RL 3.5RL Driver Airbag Inflator Can Rupture or Underinflate — NHTSA Recall 20V026000?

The 1998-2000 Acura 3.5RL is one of the vehicles covered by NHTSA recall 20V026000. Its driver frontal airbag uses a Non-Azide Driver airbag Inflator (NADI), which contains no phase stabilized ammonium nitrate (PSAN) propellant. Honda found that a manufacturing issue lets these i… Severity: high.

What is the 2005-2012 Acura RL SH-AWD Torque Transfer Unit / Rear Differential Clutch Noise?

The 2nd-gen RL's Super Handling All-Wheel Drive uses a torque transfer unit (TTU) at the transaxle output plus a rear differential containing electromagnetic clutch packs for variable side-to-side torque distribution. With age and fluid breakdown, both can develop a low-speed gri… Repairs typically run $300-$3,000. Severity: medium.

What is the 1996-2004 Acura RL Distributor shaft seal leaks oil into cap, causes misfires (P0300-P0304) on 3.5L C35A?

Like every C-series V6 Honda used in the 1990s and 2000s (Legend, NSX, CL, TL, RL all share the family), the RL's 3.5L C35A V6 has a distributor mounted at the back of the head and driven directly off the camshaft. Inside the distributor housing, an oil seal isolates the cam-driv… Repairs typically run $150-$700. Severity: medium.