Tech Tip: Infiniti Front End Popping/Squeaking/Clunking Noises
Applied vehicles: 2004-’10 Qx56 (JA60) [all 2004-’09 and 2010 vehicles built before: 5N3ZA(*)N(**)AN 904401] If you confirm: A noise (clunking squeaking popping) can be heard when performing at least one of the following actions: – turning the steering wheel left or right; – driving over speed bumps; – driving on rough roads; – accelerating or
Tech Tip: Engine and A/C Performance Issues on Infiniti QX56 Models
Some Infiniti QX56 owners may complain about the engine or poor performance from their air conditioner. You may find there one or more conditions that are causing the issues.
Tech Tip: Infiniti DTC P0505 Due To Incorrect Idle Speed
If one of the applied vehicles above has a DTC P0505 AAC/V stored, with no customer driveability incident, it may be caused by an elevated or incorrect engine idle speed setting. In some of these cases, the Idle Air Volume Learning (IAVL) procedure should be performed to resolve the incident. Use the Service Procedure outlined in this Tech Tip to identify and address this incident.
Tech Tip: Noisy Infiniti Water Pump Flange
An Infiniti driver may complain of a screeching noise when the vehicle is first started in the morning. The noise dissipates once the vehicle is warmed up. This condition may occur if the water pump had recently been replaced and the fan coupling to water pump flange bolts were not torqued correctly.
Tech Tip: Infiniti/Nissan Altima Coolant Leak
A severe coolant leak from the water pump’s weep holes causes the coolant to destroy the pump’s bearing, as well as leak into the engine’s oiling system. Catastrophic engine failure can result. This engine’s water pump is buried beneath the timing cover since it is internally driven off the engine’s timing chain. Since the front of the pump has direct contact with the engine’s oiling system, the weep holes have ….
Tech Tip: Infiniti Won’t Start Cold
When the going gets cold, some Infiniti’s may not get going. If an owner of one of the Infiniti vehicles listed below states that the starter will not work when the ambient temperature drops below freezing, confirm that the problem exists under all of the following conditions ….
Infiniti Tech Tip: RX for FX35 is a New Valve
A customer just purchased a used (2004) Infiniti FX35. The first time he went to fill the Infiniti’s tank, fuel started to spray back out of the filler neck. Our shop had recently fixed a 2005 G35 with similar issues. If you confirm the fuel tank is intermittently difficult to fill, replace the shutter valve inside of the fuel tank ….
Tech Tip: Fuel Pump is the Rx for this Infiniti QX56
Recently, a customer encountered trouble climbing a grade in his 2005 Infiniti QX56 while towing his boat. He called to express his concerns about the Infiniti’s sudden lack of power. When accelerating with wide open throttle, the engine power is ….
Tech Tip: Infiniti Engine Cranks, but Won’t Start
If the owner of a 1997 Infiniti I30 complains of an engine that cranks over normally, but is difficult to start or will not start at all, follow the service procedure listed in this tech tip.
Infiniti Tech Tip: Engine Cranks, but Won’t Start
If the owner of a 1997 Infiniti I30 complains of an engine that cranks over normally, but is difficult to start or will not start at all, follow the service procedure provided by Mitchell 1 in this tech tip.