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If an injector line is leaking it won't make pressure to pop that injector. That would explain the roughness. Good luck getting a wrench on the bottom lines with the rest installed. They come off in pairs. Install and fully tighten two at a time. I forget the exact order.

I put the dust seal on the piston and stretched it until the caliper side was below the piston. This let me place the seal in the groove and then push the piston in. This is the dust seal, the piston seal was in its groove from the beginning.

There are no differences in components between a DOT 3/4 and DOT 5 brake system. All of the materials are the same so you can run either fluid system. It's all EPDM rubber. But! I feel (not know) that the combination of the two fluids is harmful. I don't have proof to back this up but I've seen...

Yeah, I'm really on the fence with the DOT 3 conversion. I'm annoyed with myself because I've done the brake system one item at a time over 10 years. Master cylinder, rear cylinders, and now front. I've never had a good opportunity to just swap everything. Oh well, it's 37 years old and still...

If you're running DOT 5 brake fluid it's probably time you opened and cleaned your calipers.

Well gosh darn, I'm full of manure. I just popped the inserts out of my original 1986 block and it has dates ranging from 1981 to 1986. Never seen that before. My 6.5 engine was all 2004. The factory service manual is available online and describes the markings on the block in relation to the...

Those bearings have two different dates on them, 81 and 85. No way the engine came new with those.

Does anybody know the name of the fittings where the oil cooler hoses tie in to the aluminum crossover pipes? The 6.5 GEP block has 1/2 NPT holes and the 6.2 is 3/8. No big deal, that's what bushings are for. The trouble is one of the hoses interferes with the van style exhaust manifold. A 45...

I had a good conversation about this with my local Yamaha dealer. The Japanese motorcycle manufacturers use select fit pistons and cylinders. Cylinders are A-D with A being largest and D being smallest cylinder The dealers stocks D pistons as they are the smallest and fit all bores. The point...

Technically, it only takes two fuses to fully protect a 3 phase ungrounded circuit.

I want to fill in some gaps on coolant tech. First, don't judge a coolant by its color. Primarily there are two types, one is sodium nitrite based and the other is carboxylic acid based with the latter being the newer tech. They both work well but the sodium nitrite based coolants require...

Timken aftermarket is not the same as Timken Bearings. Timken aftermarket bearings are globally sourced and may or may not be produced by Timken. I wouldn't fret too much over the brand of bearings. Check country or origin. Heck, SKF shipped all of their spherical roller bearing production to...

Oil cooler failures are a most common cause of oil in coolant. It's usually a fairly straightforward repair. But, you want to take care of it quickly because the oil will attack anything rubber in the cooling system. It's also very difficult to clean out so it's not uncommon to have some...

There are two major panel adhesives to consider. There are polyurethane caulks and Very High Bond double sided tapes. Especially with aluminum these are not single step processes. There are conversion coatings and primers. Prep is paramount. With that said, it's worth the effort. I don't have a...

As these trucks get older we'll have to get more creative.

Another option can be to make the bends in metal tubing and use a length of hose at each end for the flex.

It is a moulded hose. It is not available for purchase. You'll have to make due with straight hose.

If an 8mm wide seal will fit there is a CRW1 style which is a single lip with metal outer ring. These would be less expensive. SKF part number is 15821

40x55x7 ok. There are two options in Viton. HMS5 is rubber covered single lip and HMSA10 is double lip The single lip style is SKF part number 692464 The double lip style is SKF # 692466

Darn, I can almost make out the dimensions from that picture.