Volvo Tech Tip: Exhaust System Squealing Noise
When certain Volvos are driven through puddles of water, slush or snow, the exhaust may cool down fast enough to change shape and touch the propeller shaft, causing a high-pitched squealing noise. This noise will be noticed by the driver for only a short time, and once the exhaust temperature equalizes, the noise will disappear. A telltale mark will be left on ….
Tech Tip: Squealing/Pinging Noises Coming from Volvo’s Exhaust System
When driving through puddles of water, slush or snow, the exhaust may cool down fast enough to change shape and touch the propeller shaft, causing a high-pitched squealing noise. This noise will be noticed by the driver for only a short time; once the exhaust temperature equalizes the noise will disappear. A telltale mark will be left on the ….
Volvo Tech Tip: Rear Suspension Popping/Spring Noise
While driving over small road disturbances, a popping or spring noise might be heard from the rear suspension of certain S60, V70, S80 and XC90 models. This could be caused by the rear coil spring chaffing against the lower spring seat.
Tech Tip: WORLDPAC Offers Tips for Resetting Service Lights on BMW, Mercedes, Volvo, Honda and Toyota Vehicles
For all BMWs you must have the driver-side door shut to reset the service lights. On E60 and later models, it may also be necessary to buckle the driver-side seat belt in order to reset the service light. Keep reading for additional service tips from WORLDPAC.
Tech Tip: The Case of the Warbling Volvo
Each year, Robert and his family enjoy driving their 1998 Volvo C70 through the New England states to see the brilliant fall colors. This year was a little different than previous vacations though. After an unusually warm October day, the engine began to make a "warbling" noise any time the car was running. When Robert called the shop, we discovered that the timing belt had recently been replaced. One of my technicians recalled that the timing belt tensioner adjustment can be problematic if the procedure isn’t followed exactly.
Tech Tip: Volvo A/T-Neutral Control Function
A function called "Neutral Control" is present on all 2001 V70 and S60 cars, as well as on 2002 non-turbo V70 and S60 cars built before January 2002. When the vehicle comes to a stop, the Transmission Control Module (TCM) activates Neutral Control. Even though the gear selector is in the Drive position, a Neutral condition is engaged hydraulically in the transmission. Neutral Control disengages when the brake pedal is released or the throttle is applied.
Volvo Tech Tip: Updated Routing of O2 Sensor Wiring
New routing has been developed for oxygen sensor wiring on 1997-1998 Volvo 850 models, S70/V70/C70, to prevent contamination from reaching the probe’s reference air. If one oxygen sensor is replaced, the new adapter wiring must be installed for both sensors.
Tech Tip: 1st/Reverse Gear Difficult to Engage on Volvo Manual Transmissions
Some customers with 1999-2005 Volvo 5- or 6-speed manual transmission models may complain that it’s difficult to engage 1st and/or reverse gear, especially after the car has been sitting overnight.
Tech Tip: Resetting Service Lights on BMW, Mercedes, Volvo, Honda and Toyota
For all BMWs you must have the driver-side door shut to reset the service lights. On E60 and later models, it may also be necessary to buckle the driver-side seat belt in order to reset the service light.
Tech Tip: Adjusting Mechanical Camshaft Belt Tensioner
Use the following procedure when adjusting the mechanical camshaft belt tensioner on 1998 Volvo S70/V70/C70 (B52X2/B52X4) vehicles with engine serial number 1266128-on.
Tech Tip: Volvo Alternator Charging Problems
A 1999-2002 S60, S80, V70 or XC70 model may exhibit alternator charging problems. Analysis of damaged alternators shows that the regulator may get damaged due to extreme weather conditions with high temperature and high humidity. The regulator may fail in two phases.
Volvo Tech Tip: Camshaft Service Pointers
The following tools and service procedure should be used to remove the camshaft housing cover on Volvo vehicles. This method prevents damage to the camshaft housing thrust bearing.