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Toyota 4Runner Maintenance and Repair

2501 messages,  Last post on Nov 23, 2009 at 12:44 PM

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#1498 of 2501 Re: Plugs and Wires [nippononly] by grahmm Jan 06, 2006 (9:03 pm)
Replying to: nippononly (Jan 06, 2006 7:57 am) Warning - stick with factory. They are specifically designed for your engine application + you never want to put platinum plugs if it's not called for by the manufacturer in spite of the plugs claims. Replies to this message: nippononly (Jan 07, 2006 12:26 am) drex1 (Jan 08, 2006 6:48 am)
#1499 of 2501 Re: Plugs and Wires [grahmm] by nippononly Jan 07, 2006 (12:26 am)
Replying to: grahmm (Jan 06, 2006 9:03 pm) I think these ARE platinums, twin-electrode platinums.   Anyway, I always buy from the dealer for that. Had one too many experiences of opening the parts store plugs and discovering they had been returned by someone else and were covered in grease from the last purchaser. Replies to this message: drex1 (Jan 08, 2006 6:48 am)
#1500 of 2501 Getting under the headliner? by clemdia Jan 07, 2006 (10:53 am)
1999 4Runner Limited   I want to install a satellite radio antenna on the roof (it's now sliding back and forth on front dash with mixed results). Basically, I need general advice on concealing a wire running from the dashboard to top back of the roof (at the top center of the rear door frame.   1. How can I send a wire up from the dash and under the post trim to the headliner? (I only know how to get the center dash apart -- does the post trim even come off?)   2. Can I use a fishtape to get from one end of the headliner to the other? Is there stuff that I could damage with a fishtape? Do I need to take the whole headliner down?   3. Anyone tried sneaking a satellite antenna wire out under the third brakelight gasket? (read about that "technique" on a Tacoma discussion group -- seems to me like trouble eventually)   TIA
#1501 of 2501 Re: Plugs and Wires [nippononly] by drex1 Jan 08, 2006 (6:48 am)
Replying to: nippononly (Jan 07, 2006 12:26 am) The plugs the Toyota dealer gave me for my '99 Runner were DENSO K16TR11. The DENSO plugs are Dual-Ground and I've never gapped a dual-ground spark plug before (so I did not try to). From discussions here, I understand the plugs come from Toyota pre-gapped (at 1.1 mm). Can anyone confirm that?   The 6 old plugs I removed were different brands (3 NGK and 3 DENSO). I know that Toyota often uses both in the factory and these are supposed to be replaced every 30K miles. Does this mean these are the original factory spark plugs? I purchased this car about 2-years ago (off-lease), so I assumed the normal maintenance schedule would have been followed. The plugs were well worn and my 4Runner (99K miles) appears to have more power now. I wonder if they had ever been replaced by the previous owner?   I don't know what material the electrode is made of? Any ideas? Has anyone ever used platinum or iridium plugs in a 3.4L 4Runner?   Drex
#1502 of 2501 I don't know by nippononly Jan 08, 2006 (5:14 pm)
if it's standard practice everywhere, but several dealers in my area have told me that all the plugs they sell for Toyotas are pre-gapped. Replies to this message: drex1 (Jan 15, 2006 5:06 am)
#1503 of 2501 04 4Runner, V8, Annoying harmonic humming noise by nnvalue Jan 09, 2006 (11:12 am)
04 4Runner, limited, 4.7L V8.    My 4Runner generates an annoying harmonic humming noise from the driveline at 70-75 MPH. Release the gas paddle or go faster will eliminate this noise. It started recently, after the master cylinder pressure sensor failed, which caused the trac lights on. The dealer has replaced the sensor and everything seems back to normal, except the humming noise.    I notice 2 TSBs on the similar issues (humming noise). Just wondering if anyone who has similar issues and got it fixed. Thanks in advance. Replies to this message: nedzel (Jan 10, 2006 10:39 am) art808 (Jan 10, 2006 11:10 pm) biglatka (Jan 16, 2006 9:58 am)
#1504 of 2501 Re: '99 4Runner Timing Belt [drex1] by david49 Jan 10, 2006 (8:02 am)
Replying to: drex1 (Jan 01, 2006 1:54 pm) Had same thing done to my wifes 4 run. No labor just parts allso have them do water pump at same time while they are there.Work was done at dealer. Replies to this message: drex1 (Jan 15, 2006 5:00 am)
#1505 of 2501 Re: 04 4Runner, V8, Annoying harmonic humming noise [nnvalue] by nedzel Jan 10, 2006 (10:39 am)
Replying to: nnvalue (Jan 09, 2006 11:12 am) My 2003 did that for a few months. Then it went away. Replies to this message: art808 (Jan 10, 2006 11:10 pm)
#1506 of 2501 03 4Runner, V6, Mystery Starting Problem by art808 Jan 10, 2006 (11:10 pm)
Replying to: nedzel (Jan 10, 2006 10:39 am) I recently had a problem starting my 2003 4Runner (V6) SR5. Upon cold start in 80 degree weather, a loud repetitive noise occurred. It sounded as if the fan was hitting up against something. I immediately turned the engine off and tried again. This time it was a little slow cranking, but started, and with the same noise. But I also noticed an odor as if something was burning. I immediately turned the engine off again and waited until the next day. The next day, the engine would slowly (very slowly) crank, but would not start (did not notice any odor.) That's when I called a tow truck and towed it to Toyota's service department. Toyota didn't get to it until 2 days later; however, they told me that upon starting the engine, everything sounded and checked out normal. Sure enough, when I picked up the vehicle, it did not display any symptoms. I call this the mystery starting problem.   Anyone encounter a similar problem???   Thanks for any help or info.
#1507 of 2501 2003 4Runner V6 Mystery Starting Problem by art808 Jan 10, 2006 (11:11 pm)
I recently had a problem starting my 2003 4Runner (V6) SR5. Upon cold start in 80 degree weather, a loud repetitive noise occurred. It sounded as if the fan was hitting up against something. I immediately turned the engine off and tried again. This time it was a little slow cranking, but started, and with the same noise. But I also noticed an odor as if something was burning. I immediately turned the engine off again and waited until the next day. The next day, the engine would slowly (very slowly) crank, but would not start (did not notice any odor.) That's when I called a tow truck and towed it to Toyota's service department. Toyota didn't get to it until 2 days later; however, they told me that upon starting the engine, everything sounded and checked out normal. Sure enough, when I picked up the vehicle, it did not display any symptoms. I call this the mystery starting problem.   Anyone encounter a similar problem???   Thanks for any help or info.

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