Question about 2003 Harley Davidson FLSTC Heritage Classic

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I would like to do my own fluid changes and A friend of mine suggested using ams oil says it can be used for the fluids transmission,primary and oil have you heard such a thing

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I ride & have done my own repairs for years .current ride 09 flhtcu . I have had good luck w/ mobil1 for v twin 20-50 synthetic in motor . formula + harley or primary .. trany, spectra platinum for 6 speeds.. harley syn I personally do not like. in the engine,, you would not want to use syn in primary.. [Clutch] Ams if 20-50 should be OK in engine .. but trany is gears needs a GOOD gear oil...good ans. can be found on harleytalking.com ,, they have helped me..ride safe...

Posted on Apr 06, 2011

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Posted on Jan 02, 2017

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1 Answer

How do you change transmission fluid?


depends on motorcycle harleys have a few different places to change 1 motor oil 2 primary 3 transmission jap bikes usually have tranny inside crankcase and use same oil but make sure you use motorcycle oil with clutch and tranny additives gd luck

Sep 02, 2014 | Motorcycles

1 Answer

My 03 ultra classic is leaking trans fluid they say its a $1 dollar o ring that cost about $600 to fix?


First off, determine if it's transmission fluid, or primary chain case fluid.
I had the seal on the transmission main shaft go on me once (the seal under the transmission rear drive pulley, behind the inner primary cover).
This can be changed with the transmission still in the bike, but the entire primary needs to come apart, and the transmission sprocket/pulley removed to access it.

If it's primary fluid, it's probably the seal on the inner primary case that the transmission shaft runs through and that the clutch assembly bolts to.
Again, the entire primary needs to be torn down to access this.

Either way, the cost of the part isn't bad, but the labor is the killer, as it's a 6-10 hour job, if I remember the book's quote.

Mar 18, 2014 | 2003 Harley Davidson FLHTCUI Electra Glide...

1 Answer

I have a 2004 xl883 converted to 1200 need to change the fluids. does the transmission and the primary use the motor oil that you are putting in bike or is it differant. and when you drain oil and...


You engine uses three quarts of 20W50 oil. The primary and transmission share the same oil and it uses about a quart of oil. One the late model Big Twins, you can use H-D's Syn 3 in all areas. Not sure about the Sportster. I've always used the H-D primary/transmission lubricant for Sportsters. If you wish to use any other brand of lubricant, you need to go to their website and check to see what they say use in what area. Some of the other popular lubricants are Amsoil, Royal Purple, Mobil V-Twin, and Red Line.

Good Luck
Steve

Jun 26, 2011 | Harley Davidson XL Sportster 883...

1 Answer

The transmission seems to slip when going in reverse in my Ford Explorer 1994 (OK going forward). Transmission fluid is OK.


have one myself w/over 400.000 miles suggest you change transmission fluid and filter,just add lucas transmission treatment to your fluid change. never had problems w.mine. but firm beleiver in lucas oil and transmission and fuel treatments. just trying to see how far i can go w/mine. the lucas treatment added to your fluid and transmission fluid and filter change frees up stuck valves in the transmission. sounds alot like you may have a stuck valve body in the transmission to me.pull your transmission fluid dip stick,this is going to sound strange but go with me for a second please, does the fluid smell burnt? do'nt be scared to put it on your finger and sniff it. if it smells like burnt expletitive,then it needs replaced and filter too. just please add lucas transmission treatment to your fluid change,you will not regret it. the treatment [lucas] will cost an extra $11.00 onto the fluid change,trust me, you will not regret it!fluid changes are a must for ford explorers 4x4 don't know why,but they demand baby formula. lucas,i've found is that formula. thank you for choosing fixya.com we are here 24/7 for you 7days

Jan 13, 2011 | Ford Explorer Sport Cars & Trucks

2 Answers

2.2 4cl what wt. oil----is there anything to quiet lifters---140,000 miles---my friend said 1/4 qt transmission fluid


Transmission fluid will clean out the engine but then I suggest using 3 quarts of 5w/30 and 1 quart of 20w/50 at your next oil change.

Jun 04, 2010 | 1992 Honda Accord

1 Answer

How do I change all my fluids on a FLHTC 2005


There are three areas that you have to service, engine oil, primary oil, and transmission.

To change the engine oil, underneath the transmission, you'll find two drain plugs. The drain plug nearest the left side of the engine is the the engine oil drain. Warm the engine a bit and drain the oil. Change the oil filter. This is a messy job so put something down to catch the oil as it runs out of the filter. Replace drain plug and refill with oil.

The plug nearest the center of the transmission is the transmission drain. Remove the plug to drain the transmission. Once drained replace the plug and refill the transmission through the transmission fill hole in the chrome cover on the right side of the transmission.

To change the primary oil, underneath the primary outer cover very near the rear of this cover is a small drain plug. It takes a Torx wrench to get the plug out. Remove the plug to drain the oil from the primary. Remove the derby cover over the clutch. Refill with oil through the derby cover hole.

Your bike probably came with H-D Syn3 oil. You can replace the oil with this or any other oil as long as it carries a rating for use in a diesel engine. Here, it must have an API code of "C", example "SJ/CG4". Four quarts of engine oil, Add three quarts of oil and check. Fill to proper level with the fourth. Your dipstick is marked with a "Full Cold" and "Full Hot" mark. Fill to "Full Cold" mark and check again after warming up the engine.

Use Syn3 in the primary or 30 weight oil, 40-44 ounces. With the bike standing nearly straight up, the fluid level should be to the bottom of the clutch spring, large black disc in the center of the clutch. It's a diaphragm type spring.


Use Syn3 in the transmission, 20-24 fluid ounces. Check with the dip stick again with the bike standing straight up.

Nov 04, 2009 | 2005 Harley Davidson FLHTC - FLHTCI...

1 Answer

What is the trans fluid service interval?


Hi,

This is the most overlooked service of vehicles today.

Due to the advanced technology in electronic transmissions, it is now more important than ever, to regularly change the trans fluid. Most auto transmission failures are a result of bad fluid or incorrect levels.

Whilst most manufacturers suggest fluid changes around 60 - 80,000miles, if you intend to keep the vehicle for a few years, then I strongly reccommend following the new standard of 30,000mile intervals.

This will involve flushing the transmission & cooler tank (with clean trans fluid), changing the trans oil filter and refilling with new fluid to the CORRECT level.

Use ONLY manufacturer's specified transmission fluid (not all fluids have the same properties).

NEVER overfill the transmission case.

Modern day electronic transmissions rely on good oil pressure to perform well. Regular trans oil changes will ensure this, as well as avoiding costly transmission repairs.

Cheers,

Aug 16, 2009 | 2004 Chevrolet Monte Carlo

2 Answers

I can't locate the transmission fluid dip stick for 2003 Grandam


Your transmission is sealed and has no dip stick, checking the fluid level properly involves using a factory scan tool.

Apr 26, 2009 | 2002 Pontiac Grand Am

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