T25 1984 1900cc water cooled: Hydraulic valve lifters (HVLs)
Posted: 21 Dec 2023, 19:20
Hi all,
Upfront apology: if the answer to my question below is already posted, I'm sorry to ask it again; I have used the Search/Advanced search but cant see the answer or suitable Thread.
Question: please can you tell me if it is possible to remove all 8 HVL's with the engine still in place? i.e. I am hoping to leave cylinder heads in place, but remove rocker gear, exhaust sys and heat shields - to get to the tubes, rods and lifters. If the answer is Yes then please can you point me to a resource that details the method. Thank you.
Why do I want to change them: 1. My van has 278000KM on the clock and even if has not run for only a couple of days, invariably for the first 20+ miles my lifters are rattling like mad, the engine runs like a bag of nails and power wise feels like its really struggling. BUT,, as soon as the oil gets to work and the lifters go quiet, the engine purrs which is great but its time to fix the route cause which i believe to be that the lifters are ready to be changed. 2. Starting next March we will be doing about 3,000 miles over 3 months so now's the time to give the engine an overhaul but stick to what is needed; 'if it ain't broke...
Thank you for your help, Merry Christmas all and cheers to '24.
Nige
Upfront apology: if the answer to my question below is already posted, I'm sorry to ask it again; I have used the Search/Advanced search but cant see the answer or suitable Thread.
Question: please can you tell me if it is possible to remove all 8 HVL's with the engine still in place? i.e. I am hoping to leave cylinder heads in place, but remove rocker gear, exhaust sys and heat shields - to get to the tubes, rods and lifters. If the answer is Yes then please can you point me to a resource that details the method. Thank you.
Why do I want to change them: 1. My van has 278000KM on the clock and even if has not run for only a couple of days, invariably for the first 20+ miles my lifters are rattling like mad, the engine runs like a bag of nails and power wise feels like its really struggling. BUT,, as soon as the oil gets to work and the lifters go quiet, the engine purrs which is great but its time to fix the route cause which i believe to be that the lifters are ready to be changed. 2. Starting next March we will be doing about 3,000 miles over 3 months so now's the time to give the engine an overhaul but stick to what is needed; 'if it ain't broke...
Thank you for your help, Merry Christmas all and cheers to '24.
Nige