What happens to the battery in a Porsche 911?

What happens to the battery in a Porsche 911?

Leaving the battery to drain completely usually shortens the life of the battery as well. A flat battery on a 911 can be a pain. To access the battery or engine compartment requires battery power for the electric hood release – not easy with a flat battery. If this happens, use the following procedure:

Why does my Porsche 911 have a vacuum problem?

Crankcase vacuum exceeds the normal range in the engine under heavy acceleration and sucks in air damaging the rear main seal. This is commonly seen on Audi engines as well.

Why is the Check Engine light back on on my Porsche 911?

The fault codes will suggest faulty O2 sensors. This results in many folks replacing the front O2 sensors in the hopes of solving the problem, only to discover that within a few hundred miles the check engine light is back on. The problem is actually caused by the MAF failing and by owners blindly believing the reported engine faults.

What to do if you have a problem with your Porsche 911?

If your 911 has mechanical issues that don’t appear here, simply drop us an email via the forms or pop-up contact and we’ll do our best to share a solution with you. Clicking on a heading gives you more detail.

What causes a Porsche 911 starter to fail?

The electrical portion of the ignition switch is another source of trouble. This small part often wears out and fails after many years. Some symptoms of this problem is an ignition switch that requires a lot of force to start the car. Another symptom is headlamps that flicker on and off when you wiggle the key.

Where to place battery meter on Porsche 911?

Place the meter’s probes on the posts of the battery, not the clamps. This will give the most accurate indication of the voltage in the battery.

What to do if your 911 engine starts?

If you have one available, swap in a known working DME computer from a 911 friend. Be careful that you have the right production year and part number because there are differences in the pin mappings. 11. If the DME is okay, you can listen to the injectors with a stethoscope, if they click, then power is getting to the injectors.

Leaving the battery to drain completely usually shortens the life of the battery as well. A flat battery on a 911 can be a pain. To access the battery or engine compartment requires battery power for the electric hood release – not easy with a flat battery. If this happens, use the following procedure:

Why is my Porsche 911 not starting up?

If you don’t see any significant change in the voltage after you start up the car, then your alternator or voltage regulator could be faulty. If the voltage is high at the battery (around 17 volts or higher), then the regulator is most likely faulty and needs to be replaced.

What should the voltage be on a Porsche 911 starter?

When the car is running, the alternator should be outputting anywhere from about 12.5 volts to about 14 volts. If you don’t see any significant change in the voltage after you start up the car, then your alternator or voltage regulator could be faulty.

Place the meter’s probes on the posts of the battery, not the clamps. This will give the most accurate indication of the voltage in the battery.

Why is my Porsche 911 top not working?

If you are having problems with your top, there is a chance you could just be low on hydraulic fluid. Sometimes simply adding fluid to the system can get it working again. Additionally, the fluid in the reservoir can go bad, especially if there are leaks or contaminants, causing the system to work harder.

Is there a problem with my 911 Targa power windows?

I have a 1982 911 SC Targa and have a problem with the power windows I just can’t sort out. The power windows are still active after I shut the car off, even after I open and shut the door.

What causes an oil leak in a Porsche 911?

A failing air oil separator (aos) is the likely cause of rear main seal failure and oil leaks, as it is in other VAG cars. Crankcase vacuum exceeds the normal range in the engine under heavy acceleration and sucks in air damaging the rear main seal.

If you are having problems with your top, there is a chance you could just be low on hydraulic fluid. Sometimes simply adding fluid to the system can get it working again. Additionally, the fluid in the reservoir can go bad, especially if there are leaks or contaminants, causing the system to work harder.

How do you open the hood on a Porsche 997?

Using the remote control or driver compartment hood release button, press and hold the button for about two seconds. The hood/lid should release, and the alarm will be silenced. Disconnect the negative cable from the car first, then the positive cable from the fuse box terminal.

Where is the emergency release on a Porsche 997?

It is located in the front driver-side wheel well. It will require wheel removal to locate it and thus may not be a viable option depending on the situation. Some owners have located this release and extended it so that mechanical hood release is available when the electrical release will not function. Figure 5. Emergency release cable location.

Why does my Porsche 997 not turn on?

Porsche 997: Why Won’t My Interior Lights Turn On/Off? If your interior lights won’t shut off, you risk running down the battery and having a car that won’t start. Similarly, if your lights seem otherwise inoperable, you may have an electrical issue that needs to be addressed.

What causes smoke at the start of a Porsche 911?

The smoke at startup can also be caused by a air oil separator (AOS) that is going bad but not completely failed yet. The M96 and M97 engines are famed for cylinder scoring – deep gauges in the cylinder liner, usually associated with a knocking noise and eventually catastrophic engine failure.

Is there a problem with my Porsche 911 Carrera?

This “D-chunk” problem seems ironically to occur mostly in gently driven cars. 911 Carreras that are driven hard at the track or on the street do not tend to see this type of damage. At least with respect to the track cars, one theory is that these cars tend to have their oil changed much more often.

Is the 1999 Porsche 911 a collectible car?

The 1999-2004 Porsche 911 was much maligned when new, but speculators think it’s about to become collectible. Not so fast. Last week, I had dinner with a very nice fellow who told me a very long story about finding and purchasing the Porsche of his dreams.

Are there any problems with the Porsche 996?

Not all of the 996 cars will have the IMS problem, and it can be rectified for a few grand if you’re concerned, but it’s on the mind of every buyer out there. IMS problems aside, the 996 is absolutely stuffed with fragile, fast-wearing and expensive components, many of which can’t be reached without dropping the engine.

Why did the Porsche 911 M96 engine fail?

The M96 engine that powers these cars is subject to complete and total failure due to a weak intermediate shaft (IMS) bearing, a valvetrain component that fails often and requires a total engine teardown to replace, leaving the owner with a 3,100-pound paperweight and a $15,000 bill.

Are there any mechanical problems with my Porsche 911?

Listed below are Porsche 911 common mechanical problems with their likely resolutions. These are the most frequent 911 problems diagnosed by our repair shops over the years. An accurate diagnosis of an issue by a Porsche mechanic typically saves you time and money – see our guide to local independent Porsche repair shops that can help.

How can I tell if my Porsche 911 has a problem?

An early telltale sign can often be one exhaust tailpipe being more sooty black than the other. The sound of this problem is not a tick like a bad lifter, it’s more a rhythmic knock and usually shows up first on the passenger bank of the flat 6 engines.

What’s the problem with the battery on a Carrera?

The real issue with the battery life is the car not being driven often, or stored in the winter without use of a trickle charger or proper maintenance. Otherwise, I have had no issue with the battery. Assuming you have no cell phone chargers]

What kind of battery does a 911 996 have?

911 996 Series (Carrera, GT3-1, TT, GT2) (MY1998 – 2005) 996 Series (Carrera, Carrera 4, Carrera 4S, Targa) 911/ 996 Battery woes The RennTech.org community is Member supported!

When did the 911 battery woes come out?

911/ 996 Battery woes By britdave, September 5, 2010in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa) Share

Is there a problem with my Porsche 911 battery?

Sooner or later, everyone will have problems starting their 911. The first place to look for trouble in your starting system is your battery. The battery is perhaps the most important electrical component on the car, and due to its design and nature, it is perhaps one of the most troublesome.

Where is the battery on a Porsche Carrera?

When I went to start the car, it wouldn’t start, and instead, the current ran through the right side stainless steel brake lines and completely cooked the line. That was a new experience for me–don’t forget your ground strap! The battery is located in the front trunk compartment on the Carrera.

What causes a Porsche Carrera battery to overflow?

If the voltage is high at the battery (around 17 volts or higher), then the alternator’s regulator is most likely faulty and needs to be replaced. Overcharging the battery at these higher levels may cause it to overflow and leak acid all over the inside of your car. See Project 82 for instructions on how to replace the alternator.

911 996 Series (Carrera, GT3-1, TT, GT2) (MY1998 – 2005) 996 Series (Carrera, Carrera 4, Carrera 4S, Targa) 911/ 996 Battery woes The RennTech.org community is Member supported!

If your 911 has mechanical issues that don’t appear here, simply drop us an email via the forms or pop-up contact and we’ll do our best to share a solution with you. Clicking on a heading gives you more detail.

The fault codes will suggest faulty O2 sensors. This results in many folks replacing the front O2 sensors in the hopes of solving the problem, only to discover that within a few hundred miles the check engine light is back on. The problem is actually caused by the MAF failing and by owners blindly believing the reported engine faults.

Crankcase vacuum exceeds the normal range in the engine under heavy acceleration and sucks in air damaging the rear main seal. This is commonly seen on Audi engines as well.

What’s the frunk latch on a Porsche 911?

The 911’s frunk latch has used one since the 996 launched for 1999. And the company has always provided a workaround for opening the frunk when the car’s battery dies, which, since 2002, involves applying 12 volts to a pin in a fuse panel. Dead battery?

It is located in the front driver-side wheel well. It will require wheel removal to locate it and thus may not be a viable option depending on the situation. Some owners have located this release and extended it so that mechanical hood release is available when the electrical release will not function. Figure 5. Emergency release cable location.

Can a Porsche 911 be unlocked without power?

Lo and behold, it’s true. Without power, the 911’s outside door handles no longer actuate the latch, even though the car was previously unlocked.

Where are the electrical components in a Porsche 911?

The luggage compartment and the engine compartment fuse/relay panel are illustrated in Fig. 971-1, Fig. 971-2 and Fig. 971-3. Relay and module positions are included in the comprehensive list of electrical components in Table b. The last column of the table refers to photos or line art in this section which illustrates the component.

How to open the hood with a dead battery?

With all of the electrical components at our fingertips today, we tend to rely on the fact that we can simply “push a button.” Well, if you have to access a dead battery, no amount of button pushing will open your lid. With no manual release readily accessible, Porsche relies on another method to get you on your way.

Where is the lock cylinder on a Porsche Boxster?

The inner door handle housing, which contains the lock cylinder is shown in the lower left inset photo. Here’s the original door lock mechanism removed from the car. The yellow arrow shows the inside door handle cable attachment point. One plastic piece that may break is the connector for the outside door handle (green arrow).

How do you change the handle on a Porsche Carrera?

Pull the small clip that holds the door handle cable from its hole (green arrow). Then, disconnect the door lock mechanism from the side of the door (yellow arrows). This photo shows the backside of the door handle assembly from inside the door.

What to do if your Porsche Carrera engine is leaking?

If you find that your engine is leaking from the rear main seal (also known as the flywheel seal), then simply install a new one while adding a little bit of Curil-T sealant to help keep it dry (see Photo 10 of Pelican Technical Article: Clutch Replacement on the Porsche 911 Carrera ).

Can you open the trunk with a dead battery?

If you have the alarm and the battery goes dead, you cannot open the front trunk to get to the battery to jump start it. There have been three techniques discussed for entering the front trunk when this problem manifests itself. There is a Porsche Technical Bulletin describing one way that works for entering the car.

When to replace CoV solenoids on Porsche 911?

Porsche has used the COV in many circumstances throughout the 911 chassis, so if you have a failure related to a mechanical device controlled by vacuum, look for a failure in the COV solenoid in the system first. Most recently, the 991 cars have had all of their COV solenoids replaced in a maintenance campaign.

What’s the best charger for a Porsche battery?

A trickle charger can keep your battery fresh year-round, even if you don’t drive the car for months at a time. Beware of cheap chargers though, as they can accidentally overcharge your battery, causing more harm than good. The trickle charger I like to use in all of my Porsches is the Battery Tender, available for $40-$60 at PelicanParts.com.

Porsche has used the COV in many circumstances throughout the 911 chassis, so if you have a failure related to a mechanical device controlled by vacuum, look for a failure in the COV solenoid in the system first. Most recently, the 991 cars have had all of their COV solenoids replaced in a maintenance campaign.

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