Jaguar Humming Noise From Accessory Drive Belt Idler Pulley

Jaguar Tech Tip: Humming Noise From Accessory Drive Belt Idler Pulley

A humming noise may be evident from the engine when the engine is idling. This may be caused by dust or water ingress to the accessory drive belt idler pulley bearing. The idler pulley bracket assembly (C2D51367) must be replaced as a complete assembly and must not be dismantled to a lower level.

Models:

2017 F-PACE V6 3.0L Supercharged
2014-2017 F-TYPE V6 3.0L Supercharged/V8 5.0L 
2017 XE V6 3.0L Supercharged 
2017 XE V6 S/C 3.0L Supercharged
2016 XF V6 S/C 3.0L Supercharged
2010-2015 XF V6 3.0L Supercharged/V8 N/A 5.0L V8
2010-2016 XJ V6 N/A/Supercharged 3.0L/V8 5.0L
2010-2015 XK 

Condition: 

A humming noise may be evident from the engine when the engine is idling.

Cause: 

This may be caused by dust or water ingress to the accessory drive belt idler pulley bearing.

Service Procedure:

The idler pulley bracket assembly (C2D51367) must be replaced as a complete assembly and must not be dismantled to a lower level.

1. Remove the T-connector from the air cleaner outlet pipe.
2. Note the position of the accessory drive belt.
3. Remove the accessory drive belt from the idler pulley.
> The fasteners must be retained for re-use.
> Do not discard the original idler pulley assembly.
4. Remove the accessory drive idler pulley and bracket assembly. 
5. Install the new accessory drive idler pulley and bracket assembly. Torque: 25Nm
6. Make sure that the accessory drive belt is correctly located on each pulley.
7. Install the accessory drive belt.
8. Install the T-connector to the air cleaner outlet pipe.

You May Also Like

Mercedes-Benz ABC Suspensions

The system provides great ride & handling, but it can be complicated to service if you do not have the right training.

Mercedes-Benz uses two different adjustable suspension systems in its vehicles – Airmatic and Active Body Control (ABC). Airmatic, as the name implies, is its air suspension system which we discussed back in April of this year. ABC uses hydraulic fluid at tremendous pressures to actively change the stiffness of the springs inside the shock assemblies, changing vehicle dynamics and ride height. This can be done automatically based on sensor inputs and module programming, or at the push of a button located near the shifter.

Audi TFSI/FSI: Oil Consumption And Carbon Buildup

Technical Service Bulletins can be valuable in helping solve vehicle problems. But sometimes, it takes multiple TSBs to find a pattern failure or the “root cause” of a problem. In the case of the Audi/VW 2.0L Fuel Stratified Injection (FSI) engine introduced in 2006, three problems related to engine carbon and fuel issues are connected

BMW Headlight Service

Taking a guess can get very pricey if you can’t return the part. 

BMW Diagnostics: Low Airflow After Cabin Filter Replacement

Models:  F97 X3 M  F98 X4 M G01 X3 G02 X4 G20 3-Series SITUATION After replacing the microfilter during a previous service, the customer notices that the ventilation system airflow rate is noticeably less. This leads to perceived lower cooling power. The customer may also notice that external odors enter the vehicle. Related Articles –

Carbon Deposit Q&A

Follow along to learn more about carbon deposits.

Other Posts

Don’t Miss The April Digital Edition of ShopOwner

The April issue includes technical and management content and is free to download.

Now Available – March’s Digital Edition of ShopOwner

The March issue includes technical and management content and is free to download.

BMW Cooling System Problems

Let’s take a closer look at this unique water pump, how to replace it efficiently and what other components should be replaced along with it.

Now Available – February’s Digital Edition of ShopOwner

February’s issue includes technical and management content and is free to download.