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I would appreciate some thoughts on what type of gear oil I should use in a 1989 F-150 4x4. It was my Dad's old truck and I have started driving it. It has 122K miles, but looks great and runs great. I am using it here on my farm .... just like my Dad used it. The manual suggests a Hypoid gear...

Has anyone ever used a Motorcraft FL-822 on a Honda or Acura? It is the equivalent to the Wix 51356 or M1-110 filter. I have used the MC filters on Fords in the past and thought they were quality products. Has anyone ever tried one on a Honda?

The only ExxonMobil products carried in Wal-Mart is either Mobil Clean 5000 or one of many M1 synthetic products. All of the other oil brands (PZ, QS, Castrol, Valvoline, etc.) have conventional oil, HM oil, synthetic blends and then a high-end synthetic. It appears that ExxonMobil just wants...

Would I be correct in assuming that the term "semi" synthetic refers to a blend of Grp II and Grp III? I have Motorcraft 5W-30 in mind. I was at Wal-Mart looking for deals and the MC semi-synthetic caught my eye. At $2.77/quart in quart bottles it is a good deal. The 5 qt containers of 5W-20 at...

My wife has a 2009 Chevrolet Traverse. It is a great car for a family. Plenty of room and power, plus she doesn't want a minivan. I was going to leave the factory fill in the engine until about 7K or until the GM OLM told me to change it. I get updates every month with the OnStar package that...

Gentlemen - I would like some advice from the Group. I know that changing the oil regularly and doing all the preventative maintenance will keep my car running well for many years, but BITOG is all about the pursuit of the "best" oil selection. Background: I recently sold my 2004 Tahoe...

I would like to hear your comments on how you get rid of the dirt, grime and grease that covers your valve covers, engine block and other parts under the hood. I have 3 vehicles ('02 Sequoia, '04 Tahoe and '92 Jeep Comanche) in various states of cleanliness. The Tahoe and Sequoia stay fairly...

I am having a mental dilemna regarding oxygen sensors and preventative maintencance vs. wasteful spending. I have an '04 Tahoe with 166K miles. I just replaced the plugs for the 2nd time and changed the oil. I keep it well maintained as I drive it for work and put a lot of miles on it. My...

Hello everyone. I have a 2004 Tahoe with 165,000 miles on it. I do a lot of driving and would like to keep the engine running strong. I just completed a treatment of AutoRx (the 2nd or 3rd treatment in the life of the engine). My question is....what oil should I use now? I have tried a little...

I have a 2004 Tahoe with the 5.3L engine. The idle has gotten a little rough recently. It is noticeable enough to see the steering wheel shake slightly upon idle. I asked the dealership and they suggested an injector cleaning ($200+), but not a spark plug replacement until 100K. I can't help...

Does anyone have experience replacing the spark plugs in a Toyota 4.7L engine? We bought a used 2002 Sequoia for my wife and I am not sure that the plugs have ever been replaced. I am going to pull one tomorrow and check them out. I can't decide whether to use NGK or DENSO (platinum, iridium or...

My wife and I are considering the purchase of a 2002 Toyota Sequoia 4WD from CarMax. She was involved in an accident last week and her 1998 Ford Expedition was totaled. She wasn't seriously hurt, but we need a new car for her to drive. We have 2 small children and my wife tells me that a van is...

the synthetic gear lube for my Tahoe costs $28/qt at the dealership. It has a limited slip differential that seems to require a special synthetic gear lube.....but $28/qt seems very unreasonable. Does anyone have experience with this application? The GM part # for the gear lube is 9986115...

I put M1 0W-40 in my 5.3L Tahoe (73k total miles) last weekend just for the heck of it. I then put over 1000 miles on it last week. I will admit that the thicker oil (vs. 5W-30) does make the engine a bit sluggish until it gets warm. The engine is quieter and seems a bit smoother under hard...

Does anyone know if VIIs for dino are designed differently than those for synthetics? It would seem that the hydrocracked Grp III and PAO-based synthetics would require a different VII simply because of their low polarity and tightly controlled molecular weights. If these Grp III and IV base...

Over the past week I have noticed the transmission in my 2004 Tahoe has started to slip. Today I had 5 guys riding with me and it was obvious that I had some slippage. It is a 2WD with 60K miles on it. Any suggestions on what can/should be done to improve things? Will a flush from the...

I was trying to wire a trailer plug (4 prong plug) onto my 1990 Jeep Comanche truck. I have the wiring diagram and tested each of the wires prior to connecting them. The left blinker and tail light works fine, but the right blinker won't blink. It lights up and does not blink at all. The...

I took my wife's 1998 Expedition to a local tire dealership for an alignment. I could tell that the Expy wasn't handling like it should and I could see some wear on the front tires. I thought the issue might be bad shocks (122K with OEM shocks), so I was going to get an alignment and install new...

Well...it finally happened to me. I had been running Havoline or Havoline HM in my old (1990) Jeep Comanche. I recently replaced the Havoline HM 10W30 with Havoline Synthetic 5W30. After 400 miles of driving I have developed a nice leak in the rear of the engine. The Jeep never leaked a drop...

I have about 7100 miles on my first OCI of M1 EP 10W30. I plan to change it at 7500 miles and run the next OCI even longer. Mobil recommends a shorter OCI for the first switch to M1 products. I like the EP version better than regular M1 in my 5.3L engine. The engine is much quieter and the M1...