head gasket

Confirmed the head gasket with a gas test kit from Amazon yesterday. I’ve replaced the thermostat, radiator cap, water pump, and have a deli works radiator. No leaks detected. Symptoms I have include: Hard time starting (warm-ish) and just turns over and over trying to catch When it starts...

I wish I came to this forum with solutions instead of problems, but I really only seem to come upon the latter! Today my boyfriend was borrowing my van to get to work. It took him a few times to get it started, which isn't out of character. He drove it for about ten minutes when he noticed the...

Howdy everyone, I have a 1993 L300 4D56 diesel automatic Delica. I have it torn apart down to the cylinder head gasket and am ready to throw the new one in. I spent 4-5 hours getting the old RTV off of the lower and upper half of the cylinder heads. My question: Do I need to apply RTV of some...

Hey, I can't find this spec for the protruding valve engines anywhere in the service manual or online, I can only find the spec for the recessed valve head gaskets. Reason I am looking for this information is because I need to get my block decked and if it is required to go beyond 0.2mm (max...

I naively never thought the day would come but it seems my head gasket has been compromised. I first noticed white smoke and a loss of power, and discovered that I'd run pretty low on oil ( I let a gradual leak go far too long ). Simultaneously, I added hoseclamps to my Mishimoto catch can setup...

Over the course of the last week or so here I’ve been in the process of removing all the attached components to the head of my 2.8 L 4M40. I’ve ran into a couple snags but found some solutions to them (completely seized and rusted exhaust manifold bolts) but this one in particularly I can’t...

Hi there, my Delica L300 is leaking air coming out of the side of the engine block, passenger side. I can clearly hear the leak that’s in rhythm with the rpm (see YouTube video I uploaded : ). I could locate the leak by passing my finger over it and noticed that a thin piece of metal...

With blowing a head gasket as a major concern for 4D56 engine, has anyone upgraded the head bolts to APR studs or something similar? Looking for ways to bullet proof my engine and increase longevity. Any other recommendations are welcome. Thanks in advance!