Category Archives: 1992 DOHC GTP

After months of waiting on the right parts and hours of painstaking, precise reassembly of the engine I put everything back together and tried to start it. It seized after running for just 3 seconds. After further diagnosis we’ve determined … Continue reading →

Since the timing belt was damaged during diagnosis and other timing parts are not looking as healthy as I’d like, I’ve decided to replace all the timing components again before reassembling this engine, including a new belt, tensioner, actuator, and … Continue reading →

I’ve acquired another head, a new a/c compressor, and a bunch of lifters. It’ll take some time but it’s going back together.

After looking closely at what needs to happen to remove the rear cylinder head, we decided that pulling the engine is overkill. After yanking the injector rail, exhaust and intake manifolds, the rear head was a straightforward removal. And there … Continue reading →

I’ve moved the car to Dan’s shop so I can take it apart as much as necessary to solve this mystery.

I’ve torn the engine down to the pistons on the front bank and can’t find anything wrong. The pistons are fine, no valve springs are damaged, and the valves aren’t bent. The pistons travel normally, so I’m going to have … Continue reading →

I’ve got a seriously bad noise coming from the engine. It sounds like the pistons are being hit by a hammer. I’m parking the car until I can take it apart again to figure out what’s wrong.

So it’s been two months now and I’ve had several bugs to work out and additional work to do. Here’s a recap. The lower radiator hose failed twice, first on 4/3/07 and again on 4/4/07 due to rubbing against the … Continue reading →

The alternator used on the 1992 DOHC is a Delco CS-130, seen here at the left. The 1995 uses the newer design Delphi CS-130D, as shown here on the right. The engine’s mounting bracket is different because the 130D’s housing … Continue reading →

So my new clutch hydraulics arrived from RockAuto today, and I got them installed with no problem. The bleeding procedure was the strangest of any I’ve ever done, but it was actually very easy. Total one-man job, unlike normal clutch … Continue reading →