Complete synthetic fluid flush and change in a 1999 Mercury Grand Marquis and a 1995 GMC 3500 454 CID with large powertrain. It was 13 liters in Mercury and 17 in GMC. Used this in both for an hour before switching. Gear shifting has improved significantly on both. Something worked.
π§Ό Dura II Flush Solvent β 25 oz: Unbeatable Cleaning Power by Four Seasons 69991
7 Review
Irontite ThoroFlush: Powerful Automotive System Cleaner (468-9110-16)
8 Review
πΏ Yamaha OEM Flush Hose Replacement MWV-FLUSH-HS-BL
5 Review
π‘οΈ Enhance Engine Cooling with Design Engineering 040104 Radiator Relief Coolant Additive, 32 oz.
4 Review
πͺ Powerful Liquid Wrench L116 Penetrating Oil - 16 oz.: Superior lubricant for efficient maintenance and repairs
8 Review
Copper Anti-Seize Stick by Loctite - 20-Gram Size
8 Review
10 Pack of π΄ Lucas Oil Red N Tacky Grease
18 Review
π§ Permatex 80071 Anti-Seize Lubricant - Enhance Engine Optimization with this Bottle
8 Review