How to replace a Porsche Cayenne HVAC blower fan?

How to replace a Porsche Cayenne HVAC blower fan?

Move underneath the fan assembly and remove the electrical connection going to the blower fan (arrow). Also remove the five 5.5.mm screws holding the blower fan to the housing. Keep in mind that the screws to the right of the fan will be a little difficult to access due to the location of the wiring harness running down the side of the chassis.

What causes the starter to fail on a Cayenne?

Its not uncommon to have the starter fail on a Cayenne – usually affected by the vee pipes failing and flushing the starter which damages the motor but is not seen when the pipes are replaced as the coolant has run away. Cayennes should spin over quickly with a charged battery. I assume your car has a single battery network?

Why is my climate control not working on my Porsche Cayenne?

A common problem in the Porsche Cayenne is a condition where the climate control fan suddenly starts working intermittently, only at one speed or not at all. The variation in the speed of the fan is controlled by the blower motor regulator. Once the regulator fails, a single speed fan is commonly the result.

Why is the ignition coil on my Cayenne not working?

The ignition coils on the Porsche Cayenne V8 have been updated a number of times. A single coil failure is typically a sign of more trouble to come from other coils, so it’s usually best practice to update them all. A failing coil typically stops any spark and sets a misfire code with a completely dead cylinder.

Move underneath the fan assembly and remove the electrical connection going to the blower fan (arrow). Also remove the five 5.5.mm screws holding the blower fan to the housing. Keep in mind that the screws to the right of the fan will be a little difficult to access due to the location of the wiring harness running down the side of the chassis.

A common problem in the Porsche Cayenne is a condition where the climate control fan suddenly starts working intermittently, only at one speed or not at all. The variation in the speed of the fan is controlled by the blower motor regulator. Once the regulator fails, a single speed fan is commonly the result.

The ignition coils on the Porsche Cayenne V8 have been updated a number of times. A single coil failure is typically a sign of more trouble to come from other coils, so it’s usually best practice to update them all. A failing coil typically stops any spark and sets a misfire code with a completely dead cylinder.

Why is my water pump on my Cayenne making a knocking noise?

Water pumps and thermostats fail regularly. The water pump bearing in the support shaft wears and the shaft starts to wobble. This develops into a knocking noise sometimes accompanied by a coolant leak.

Why is my Porsche Cayenne leaking steam under the hood?

Once they degrade and a leak starts it quickly speeds to a point where large clouds of steam can be seen billowing from under the hood when the engine is running – steam powered Cayenne! There is an update kit available to permanently fix this problem and change the plastic pipes to metal ones.

Why does my Porsche Cayenne make a knocking noise?

This develops into a knocking noise sometimes accompanied by a coolant leak. Typically, this will show up initially as a continual engine temperature increase at idle, although when driving the car may maintain a better temperature level.

Once they degrade and a leak starts it quickly speeds to a point where large clouds of steam can be seen billowing from under the hood when the engine is running – steam powered Cayenne! There is an update kit available to permanently fix this problem and change the plastic pipes to metal ones.

This develops into a knocking noise sometimes accompanied by a coolant leak. Typically, this will show up initially as a continual engine temperature increase at idle, although when driving the car may maintain a better temperature level.

Why does my Mazda Protege heater only blow out front vents?

Eighth generation of the Mazda Protege. Heater only blowing out front vents, no heat to feet or defrost. Why? Heater working but only blows out front vents. No heat to feet or defrost.

Why is my hot water heater blowing out the front vents?

Actuator could be stuck, faulty, linkage off, etc. Could not find a link for the 1998-2003 protege but will post a link to show and tell in general where and what to look for. You may also find a reasonably priced repair manual online or at the local library to borrow.

How long does it take to replace a blower fan?

The problem is usually the blower motor regulator. The regulator controls the fan speed of the blower motor and can fail after many years of use. Thankfully, replacing the blower motor regulator is an easy fix, usually taking no more than an hour. In this article we will also cover the steps involved with removing the blower fan itself.

How big of a socket do you need for a blower fan?

Sometimes, dirt and other contaminants can get into the housing and jam up the blower fan. Keep in mind that you will need a 5.5mm or 7/32″ socket to remove the fan from the housing. Replacing the blower regulator and fan requires removing the glove box from the car.

Can you replace the transmission valve on a Cayenne?

Thankfully, with the Cayenne, the valve body assembly is available and replacing it typically saves the transmission. In many cases normal smooth gear shifts are returned. Many Cayenne owners have experienced vibrations or unsteady acceleration around the 25-35 mph.