20 Most Recent 2004 Pontiac Bonneville - Page 4 Questions & Answers

Vehicle Systems do not monitor oil level & how clean it isStop using it & have it figured out

spray carb cleaner around the engine when the engine is cold to see where the engine speed changes the intake gasket is a common part to look at

Couldn't find it listed at Walmart but Interstate Batteries had one. It was $170. As far as jumping there are jumper post under the hood. Should have labels and positive should have red cap over the post. Ground should have a couple of big black wires going to it on the fender on right side under hood.

If you turn the check light off, you will erase thecodes you will need to start a diagnostic process.Most times you get any light on your dash & you canexpect at least one a year,your vehicle is in need of repairCheck for codes & repair code related issues firstA code does not tell you any parts need to be replacedA code directs you to a system & possibly a part of a systemthat you need to do some testing on

There are several solinoids and they are all located inside the transmission. remove the transmission pan and filter to gain access to them

a square box at either the rt. or left side of your unit it will have a two wire harness with an orange safety clip retainer

Probably a bad intermediate shaft.There is a Technical Service Bulletin (TSB) published by GM because of this condition.TSB Reference Number 06-02-35-010Date Of Issue: May 09 2006This bulletin involves replacing the intermediate shaft with an updated part.Updated part number (per the TSB) is GM Part Number 26068295This is an old TSB - you will probably want to check with your local GM dealer to make sure this part number has not been superceeded.

it is the same fuse as the other gauges gm had a problem with the sensor in the tanks

Unhook the battery - wait a few minutes - reconnect it. If that doesn't help post back.

drain tube stopped up.a small hose on the firewall between engine and passenger seat side of car under the hood. about an inch and a half long L shaped hose. it's hard to see but it's there. the end is shaped like a venus fly trap that's closed. just touch it with a long handled screwdriver and it will drain right out. just fixed mine a month ago.(it wouldn't hurt it to just snip off the end of it so it won't happen again)

The PCM is controlling the fans. It is looking at the coolant temp sensor. Once it sees the coolant temp get around 225 degrees it starts turning on the fans.What temp does the vehicle get to? Have you compared the reading on the gauge to the actually reading that the PCM is seeing with a scan tool? Many times the vehicle temp will be fine but the gauge will be wrong. Sometimes the opposite.What engine do you have 3.8 or 4.6 liter? I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

I am sure its the wheel bearing, now you have to figure out which side and that is done by loading the bearing while driving.

Just did one of these, same problem. not enough freon. But I was told that this model had two blend doors on one rod. Which it did. But I was told that one door can come loose. So I disassembled the entire dash to find out it was low on freon. SO if I were you I would add or have some one add some freon first. Because the blend door problem is possible and it is an eight hour job. You can also purchase the door part. so it is a problem in these cars.

That is easy, just pull up on the seat from one side first the the other side.

Seems like the prindle switch has to be adjusted, most of the time (on newer vehicle) its done through the scanner.

Pretty typical for our generation of Bonneville (mine's a 2005 GXP). There are at least two different fans for our generation of Bonneville.
Remove the panel under the passenger side dash; I recall two small screws.
There may be a couple wires to unplug from this panel.
The blower motor is located right above the passenger toes.
Unplug the three wire plug.
Remove a small rubber hose. It has one right angle bend. It's about the size and length of a big thumb.
Remove 3 small screws on the fan, and the fan comes out. Here's my new one: The Hole under the passenger dash. Insert blower here: